/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_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:00:41,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:00:41,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:00:41,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:00:41,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:00:41,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:00:41,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:00:41,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:00:41,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:00:41,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:00:41,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:00:41,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:00:41,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:00:41,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:00:41,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:00:41,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:00:41,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:00:41,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:00:41,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:00:41,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:00:41,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:00:41,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:00:41,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:00:41,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:00:41,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:00:41,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:00:41,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:00:41,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:00:41,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:00:41,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:00:41,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:00:41,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:00:41,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:00:41,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:00:41,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:00:41,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:00:41,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:00:41,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:00:41,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:00:41,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:00:41,826 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:00:41,828 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 [2021-02-19 17:00:41,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:00:41,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:00:41,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:00:41,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:00:41,855 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:00:41,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:00:41,856 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:00:41,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:00:41,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:00:41,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:00:41,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:00:41,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:00:41,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:00:41,857 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:00:41,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:00:41,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:00:41,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:00:41,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:00:41,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:00:41,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:00:41,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:00:41,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:00:41,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:00:41,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:00:41,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:00:41,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:00:41,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:00:41,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:00:41,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:00:42,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:00:42,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:00:42,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:00:42,252 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:00:42,253 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:00:42,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2021-02-19 17:00:42,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12794955d/77a15250c47a40bc88029915c84425c9/FLAG94802fcbf [2021-02-19 17:00:43,106 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:00:43,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2021-02-19 17:00:43,120 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12794955d/77a15250c47a40bc88029915c84425c9/FLAG94802fcbf [2021-02-19 17:00:43,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12794955d/77a15250c47a40bc88029915c84425c9 [2021-02-19 17:00:43,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:00:43,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:00:43,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:00:43,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:00:43,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:00:43,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:43,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222b202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43, skipping insertion in model container [2021-02-19 17:00:43,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:43,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:00:43,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:00:43,770 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-02-19 17:00:43,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:00:43,795 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:00:43,926 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-02-19 17:00:43,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:00:43,987 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:00:43,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43 WrapperNode [2021-02-19 17:00:43,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:00:43,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:00:43,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:00:43,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:00:44,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:44,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:44,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:44,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:44,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:44,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:44,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (1/1) ... [2021-02-19 17:00:44,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:00:44,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:00:44,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:00:44,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:00:44,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (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 [2021-02-19 17:00:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:00:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:00:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:00:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:00:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:00:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:00:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:00:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:00:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:00:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:00:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-19 17:00:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-19 17:00:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:00:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:00:44,310 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:00:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:00:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:00:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:00:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 17:00:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:00:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:00:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:00:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:00:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:00:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:00:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:00:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:00:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:00:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:00:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:00:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:00:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:00:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:00:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:00:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:00:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:00:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:00:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:00:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 17:00:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 17:00:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:00:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:00:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:00:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:00:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:00:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:00:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:00:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:00:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:00:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:00:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:00:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:00:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:00:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:00:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:00:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:00:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:00:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:00:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:00:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:00:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:00:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:00:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:00:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:00:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:00:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-19 17:00:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-19 17:00:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:00:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:00:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:00:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:00:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:00:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 17:00:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:00:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:00:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:00:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:00:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:00:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:00:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:00:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:00:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:00:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:00:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:00:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 17:00:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:00:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:00:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:00:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 17:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:00:44,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:00:44,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:00:45,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:00:45,619 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:00:45,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:00:45 BoogieIcfgContainer [2021-02-19 17:00:45,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:00:45,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:00:45,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:00:45,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:00:45,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:00:43" (1/3) ... [2021-02-19 17:00:45,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dbb575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:00:45, skipping insertion in model container [2021-02-19 17:00:45,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:43" (2/3) ... [2021-02-19 17:00:45,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50dbb575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:00:45, skipping insertion in model container [2021-02-19 17:00:45,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:00:45" (3/3) ... [2021-02-19 17:00:45,657 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2021-02-19 17:00:45,665 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:00:45,670 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:00:45,691 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:00:45,731 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:00:45,732 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:00:45,735 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:00:45,735 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:00:45,735 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:00:45,735 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:00:45,735 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:00:45,735 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:00:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2021-02-19 17:00:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 17:00:45,768 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:45,769 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] [2021-02-19 17:00:45,769 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:45,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1531436442, now seen corresponding path program 1 times [2021-02-19 17:00:45,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:45,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788086185] [2021-02-19 17:00:45,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,587 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:46,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:46,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 17:00:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-19 17:00:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:46,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:46,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:46,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:46,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788086185] [2021-02-19 17:00:46,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:46,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:00:46,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533122455] [2021-02-19 17:00:46,805 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:00:46,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:46,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:00:46,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:00:46,822 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2021-02-19 17:00:48,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:48,044 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2021-02-19 17:00:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:00:48,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-19 17:00:48,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:48,064 INFO L225 Difference]: With dead ends: 261 [2021-02-19 17:00:48,064 INFO L226 Difference]: Without dead ends: 147 [2021-02-19 17:00:48,070 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 [2021-02-19 17:00:48,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-02-19 17:00:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 115. [2021-02-19 17:00:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-02-19 17:00:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2021-02-19 17:00:48,196 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 51 [2021-02-19 17:00:48,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:48,197 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2021-02-19 17:00:48,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:00:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2021-02-19 17:00:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 17:00:48,205 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:48,205 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] [2021-02-19 17:00:48,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:00:48,206 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:48,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:48,206 INFO L82 PathProgramCache]: Analyzing trace with hash 460611800, now seen corresponding path program 1 times [2021-02-19 17:00:48,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:48,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446649237] [2021-02-19 17:00:48,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:48,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,758 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:48,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:00:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:00:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:48,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:48,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:48,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446649237] [2021-02-19 17:00:48,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:48,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:00:48,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398622943] [2021-02-19 17:00:48,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:00:48,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:48,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:00:48,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:00:48,867 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2021-02-19 17:00:49,530 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:00:50,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:50,378 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2021-02-19 17:00:50,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:00:50,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-02-19 17:00:50,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:50,382 INFO L225 Difference]: With dead ends: 200 [2021-02-19 17:00:50,382 INFO L226 Difference]: Without dead ends: 137 [2021-02-19 17:00:50,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:00:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-02-19 17:00:50,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2021-02-19 17:00:50,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-02-19 17:00:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2021-02-19 17:00:50,431 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2021-02-19 17:00:50,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:50,432 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2021-02-19 17:00:50,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:00:50,432 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2021-02-19 17:00:50,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-02-19 17:00:50,434 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:50,435 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] [2021-02-19 17:00:50,435 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:00:50,435 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:50,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:50,435 INFO L82 PathProgramCache]: Analyzing trace with hash -989244973, now seen corresponding path program 1 times [2021-02-19 17:00:50,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:50,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089036741] [2021-02-19 17:00:50,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:50,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:50,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:50,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:50,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:00:50,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:00:50,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:00:50,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,887 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:50,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:00:50,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,957 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 17:00:50,958 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 17:00:50,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 17:00:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 17:00:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:51,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089036741] [2021-02-19 17:00:51,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:51,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:00:51,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471883269] [2021-02-19 17:00:51,009 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:00:51,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:51,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:00:51,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:00:51,010 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 9 states. [2021-02-19 17:00:51,647 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:52,079 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:52,469 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:52,867 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:53,877 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:00:55,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:55,608 INFO L93 Difference]: Finished difference Result 362 states and 459 transitions. [2021-02-19 17:00:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:00:55,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-02-19 17:00:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:55,613 INFO L225 Difference]: With dead ends: 362 [2021-02-19 17:00:55,613 INFO L226 Difference]: Without dead ends: 284 [2021-02-19 17:00:55,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:00:55,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-02-19 17:00:55,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 227. [2021-02-19 17:00:55,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2021-02-19 17:00:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 276 transitions. [2021-02-19 17:00:55,705 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 276 transitions. Word has length 56 [2021-02-19 17:00:55,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:55,705 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 276 transitions. [2021-02-19 17:00:55,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:00:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 276 transitions. [2021-02-19 17:00:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-19 17:00:55,707 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:55,707 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] [2021-02-19 17:00:55,708 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:00:55,708 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:55,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:55,708 INFO L82 PathProgramCache]: Analyzing trace with hash -297162143, now seen corresponding path program 1 times [2021-02-19 17:00:55,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:55,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091839803] [2021-02-19 17:00:55,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:55,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:55,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:55,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:55,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:55,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:55,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:55,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:55,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:55,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:55,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:55,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:55,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:55,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:55,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,153 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:56,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:56,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:00:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 17:00:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:56,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 17:00:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:56,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:56,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:56,265 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091839803] [2021-02-19 17:00:56,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:56,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:00:56,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919153046] [2021-02-19 17:00:56,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:00:56,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:56,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:00:56,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:00:56,267 INFO L87 Difference]: Start difference. First operand 227 states and 276 transitions. Second operand 9 states. [2021-02-19 17:00:56,832 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:58,219 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:58,663 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:59,047 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:59,414 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:01:00,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:01:00,622 INFO L93 Difference]: Finished difference Result 723 states and 967 transitions. [2021-02-19 17:01:00,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 17:01:00,623 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2021-02-19 17:01:00,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:01:00,638 INFO L225 Difference]: With dead ends: 723 [2021-02-19 17:01:00,638 INFO L226 Difference]: Without dead ends: 524 [2021-02-19 17:01:00,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2021-02-19 17:01:00,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-02-19 17:01:00,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 402. [2021-02-19 17:01:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2021-02-19 17:01:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 492 transitions. [2021-02-19 17:01:00,791 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 492 transitions. Word has length 62 [2021-02-19 17:01:00,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:01:00,792 INFO L480 AbstractCegarLoop]: Abstraction has 402 states and 492 transitions. [2021-02-19 17:01:00,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:01:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 492 transitions. [2021-02-19 17:01:00,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-02-19 17:01:00,796 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:01:00,796 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] [2021-02-19 17:01:00,797 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:01:00,797 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:01:00,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:01:00,797 INFO L82 PathProgramCache]: Analyzing trace with hash -825372099, now seen corresponding path program 1 times [2021-02-19 17:01:00,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:01:00,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025241543] [2021-02-19 17:01:00,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:01:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:00,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:00,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:00,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,245 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:01:01,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:01:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:01,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:01:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:01:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:01:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:01:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:01:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-02-19 17:01:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 17:01:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:01,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:01:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:01,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-19 17:01:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:01,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:01,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:01,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:01:01,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025241543] [2021-02-19 17:01:01,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:01:01,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 17:01:01,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278597063] [2021-02-19 17:01:01,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:01:01,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:01:01,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:01:01,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:01:01,406 INFO L87 Difference]: Start difference. First operand 402 states and 492 transitions. Second operand 10 states. [2021-02-19 17:01:02,115 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:01:03,298 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:03,721 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:04,109 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:04,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:01:04,693 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2021-02-19 17:01:04,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 17:01:04,694 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2021-02-19 17:01:04,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:01:04,694 INFO L225 Difference]: With dead ends: 747 [2021-02-19 17:01:04,695 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:01:04,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2021-02-19 17:01:04,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:01:04,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:01:04,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:01:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:01:04,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2021-02-19 17:01:04,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:01:04,698 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:01:04,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:01:04,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:01:04,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:01:04,698 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 17:01:04,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:01:05,083 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 6 [2021-02-19 17:01:08,985 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2021-02-19 17:01:09,272 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 17:01:09,553 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2021-02-19 17:01:09,893 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 17:01:10,222 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:01:10,774 WARN L202 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 14 [2021-02-19 17:01:11,044 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:01:11,596 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 17 [2021-02-19 17:01:12,143 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 8 [2021-02-19 17:01:12,732 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2021-02-19 17:01:13,013 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 17:01:13,546 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 9 [2021-02-19 17:01:13,843 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 17:01:14,402 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 13 [2021-02-19 17:01:14,692 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 17:01:14,957 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2021-02-19 17:01:15,241 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2021-02-19 17:01:15,767 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2021-02-19 17:01:16,054 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2021-02-19 17:01:16,603 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 14 [2021-02-19 17:01:16,891 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2021-02-19 17:01:17,184 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 27 [2021-02-19 17:01:17,780 WARN L202 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 11 [2021-02-19 17:01:18,311 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 8 [2021-02-19 17:01:18,316 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:01:18,316 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:01:18,316 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:01:18,316 INFO L189 CegarLoopUtils]: For program point L125(lines 125 129) no Hoare annotation was computed. [2021-02-19 17:01:18,317 INFO L189 CegarLoopUtils]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2021-02-19 17:01:18,317 INFO L189 CegarLoopUtils]: For program point L120(line 120) no Hoare annotation was computed. [2021-02-19 17:01:18,317 INFO L189 CegarLoopUtils]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2021-02-19 17:01:18,317 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2021-02-19 17:01:18,317 INFO L189 CegarLoopUtils]: For program point L141(lines 118 142) no Hoare annotation was computed. [2021-02-19 17:01:18,317 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2021-02-19 17:01:18,317 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2021-02-19 17:01:18,318 INFO L189 CegarLoopUtils]: For program point L182(lines 182 186) no Hoare annotation was computed. [2021-02-19 17:01:18,318 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2021-02-19 17:01:18,318 INFO L189 CegarLoopUtils]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2021-02-19 17:01:18,318 INFO L189 CegarLoopUtils]: For program point L177(line 177) no Hoare annotation was computed. [2021-02-19 17:01:18,318 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2021-02-19 17:01:18,318 INFO L189 CegarLoopUtils]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2021-02-19 17:01:18,318 INFO L189 CegarLoopUtils]: For program point L202(lines 175 203) no Hoare annotation was computed. [2021-02-19 17:01:18,319 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2021-02-19 17:01:18,319 INFO L189 CegarLoopUtils]: For program point L195(line 195) no Hoare annotation was computed. [2021-02-19 17:01:18,319 INFO L189 CegarLoopUtils]: For program point L195-1(line 195) no Hoare annotation was computed. [2021-02-19 17:01:18,319 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 734 740) the Hoare annotation is: true [2021-02-19 17:01:18,319 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 734 740) no Hoare annotation was computed. [2021-02-19 17:01:18,319 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 741 749) no Hoare annotation was computed. [2021-02-19 17:01:18,319 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 741 749) the Hoare annotation is: true [2021-02-19 17:01:18,319 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 741 749) no Hoare annotation was computed. [2021-02-19 17:01:18,319 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 624 646) 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))) [2021-02-19 17:01:18,320 INFO L185 CegarLoopUtils]: At program point L636(line 636) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |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))) [2021-02-19 17:01:18,320 INFO L185 CegarLoopUtils]: At program point L636-1(line 636) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |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))) [2021-02-19 17:01:18,320 INFO L189 CegarLoopUtils]: For program point L634(lines 634 641) no Hoare annotation was computed. [2021-02-19 17:01:18,320 INFO L189 CegarLoopUtils]: For program point L634-1(lines 634 641) no Hoare annotation was computed. [2021-02-19 17:01:18,320 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 624 646) no Hoare annotation was computed. [2021-02-19 17:01:18,320 INFO L189 CegarLoopUtils]: For program point L632(line 632) no Hoare annotation was computed. [2021-02-19 17:01:18,321 INFO L185 CegarLoopUtils]: At program point L631(line 631) 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))) [2021-02-19 17:01:18,321 INFO L185 CegarLoopUtils]: At program point L630(line 630) 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))) [2021-02-19 17:01:18,321 INFO L185 CegarLoopUtils]: At program point L630-1(line 630) 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))) [2021-02-19 17:01:18,321 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 624 646) no Hoare annotation was computed. [2021-02-19 17:01:18,321 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 578 601) no Hoare annotation was computed. [2021-02-19 17:01:18,321 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 578 601) no Hoare annotation was computed. [2021-02-19 17:01:18,321 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 578 601) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L596(line 596) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L595(line 595) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L594(line 594) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L592(line 592) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L591(line 591) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L590(line 590) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L589(line 589) no Hoare annotation was computed. [2021-02-19 17:01:18,322 INFO L189 CegarLoopUtils]: For program point L588(line 588) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point L587(line 587) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point L586(line 586) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point L585(line 585) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point L584(line 584) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point L583(line 583) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 922 936) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L185 CegarLoopUtils]: At program point L928(line 928) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 922 936) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 922 936) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 858 866) no Hoare annotation was computed. [2021-02-19 17:01:18,323 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 858 866) the Hoare annotation is: true [2021-02-19 17:01:18,324 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 858 866) no Hoare annotation was computed. [2021-02-19 17:01:18,324 INFO L189 CegarLoopUtils]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-02-19 17:01:18,324 INFO L192 CegarLoopUtils]: At program point L910(line 910) the Hoare annotation is: true [2021-02-19 17:01:18,324 INFO L189 CegarLoopUtils]: For program point L912-2(lines 912 916) no Hoare annotation was computed. [2021-02-19 17:01:18,324 INFO L189 CegarLoopUtils]: For program point L910-1(line 910) no Hoare annotation was computed. [2021-02-19 17:01:18,324 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 903 921) the Hoare annotation is: true [2021-02-19 17:01:18,324 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 903 921) no Hoare annotation was computed. [2021-02-19 17:01:18,324 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 903 921) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point L897(line 897) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point L897-1(line 897) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point L886(lines 886 894) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 867 902) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point L874(lines 874 882) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point L874-2(lines 874 882) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 867 902) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 867 902) no Hoare annotation was computed. [2021-02-19 17:01:18,325 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 727 733) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 727 733) the Hoare annotation is: true [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point L381(lines 381 388) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point L375(lines 375 395) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2021-02-19 17:01:18,326 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2021-02-19 17:01:18,327 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 610 620) 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))) [2021-02-19 17:01:18,327 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 610 620) no Hoare annotation was computed. [2021-02-19 17:01:18,327 INFO L185 CegarLoopUtils]: At program point L615(line 615) 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))) [2021-02-19 17:01:18,327 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 610 620) no Hoare annotation was computed. [2021-02-19 17:01:18,327 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 847 857) no Hoare annotation was computed. [2021-02-19 17:01:18,327 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 847 857) no Hoare annotation was computed. [2021-02-19 17:01:18,327 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 847 857) no Hoare annotation was computed. [2021-02-19 17:01:18,327 INFO L189 CegarLoopUtils]: For program point L852(line 852) no Hoare annotation was computed. [2021-02-19 17:01:18,328 INFO L189 CegarLoopUtils]: For program point L852-1(line 852) no Hoare annotation was computed. [2021-02-19 17:01:18,328 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 839 846) the Hoare annotation is: true [2021-02-19 17:01:18,328 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 839 846) no Hoare annotation was computed. [2021-02-19 17:01:18,328 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 839 846) no Hoare annotation was computed. [2021-02-19 17:01:18,328 INFO L185 CegarLoopUtils]: At program point L798(line 798) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:18,328 INFO L189 CegarLoopUtils]: For program point L796(lines 796 804) no Hoare annotation was computed. [2021-02-19 17:01:18,328 INFO L185 CegarLoopUtils]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:18,328 INFO L189 CegarLoopUtils]: For program point L794-1(line 794) no Hoare annotation was computed. [2021-02-19 17:01:18,328 INFO L189 CegarLoopUtils]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-02-19 17:01:18,328 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 788 812) no Hoare annotation was computed. [2021-02-19 17:01:18,329 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 788 812) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:18,329 INFO L185 CegarLoopUtils]: At program point L807(line 807) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:18,329 INFO L189 CegarLoopUtils]: For program point L807-1(lines 788 812) no Hoare annotation was computed. [2021-02-19 17:01:18,329 INFO L185 CegarLoopUtils]: At program point L802(line 802) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:18,329 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 780 786) no Hoare annotation was computed. [2021-02-19 17:01:18,329 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 780 786) the Hoare annotation is: true [2021-02-19 17:01:18,329 INFO L185 CegarLoopUtils]: At program point L704(lines 659 706) 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))) [2021-02-19 17:01:18,329 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 649 714) 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))) [2021-02-19 17:01:18,330 INFO L185 CegarLoopUtils]: At program point L671(line 671) 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))) [2021-02-19 17:01:18,330 INFO L189 CegarLoopUtils]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-02-19 17:01:18,330 INFO L189 CegarLoopUtils]: For program point L669-1(lines 669 675) no Hoare annotation was computed. [2021-02-19 17:01:18,330 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 649 714) no Hoare annotation was computed. [2021-02-19 17:01:18,330 INFO L189 CegarLoopUtils]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-02-19 17:01:18,330 INFO L185 CegarLoopUtils]: At program point L707(lines 658 708) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:18,330 INFO L185 CegarLoopUtils]: At program point L697(line 697) 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))) [2021-02-19 17:01:18,330 INFO L189 CegarLoopUtils]: For program point L695(lines 695 701) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L185 CegarLoopUtils]: At program point L695-1(lines 689 702) 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))) [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point L660(lines 659 706) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point L689(lines 689 702) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L185 CegarLoopUtils]: At program point L681(line 681) 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))) [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point L679-1(lines 679 685) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 649 714) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2021-02-19 17:01:18,331 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point L335(lines 335 342) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point L329(lines 329 349) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 813 820) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 813 820) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 813 820) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 535 543) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 535 543) the Hoare annotation is: true [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 535 543) no Hoare annotation was computed. [2021-02-19 17:01:18,332 INFO L185 CegarLoopUtils]: At program point L435(line 435) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:01:18,332 INFO L189 CegarLoopUtils]: For program point L433(lines 433 439) no Hoare annotation was computed. [2021-02-19 17:01:18,333 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 420 448) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:18,333 INFO L189 CegarLoopUtils]: For program point L432(lines 432 442) no Hoare annotation was computed. [2021-02-19 17:01:18,333 INFO L185 CegarLoopUtils]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2021-02-19 17:01:18,333 INFO L189 CegarLoopUtils]: For program point L430-1(line 430) no Hoare annotation was computed. [2021-02-19 17:01:18,333 INFO L189 CegarLoopUtils]: For program point L428(lines 428 445) no Hoare annotation was computed. [2021-02-19 17:01:18,333 INFO L189 CegarLoopUtils]: For program point L428-1(lines 420 448) no Hoare annotation was computed. [2021-02-19 17:01:18,333 INFO L185 CegarLoopUtils]: At program point L426(line 426) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:18,333 INFO L189 CegarLoopUtils]: For program point L426-1(line 426) no Hoare annotation was computed. [2021-02-19 17:01:18,333 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__2EXIT(lines 420 448) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 412 419) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1FINAL(lines 412 419) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1EXIT(lines 412 419) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point L511(lines 511 519) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point L511-2(lines 511 519) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 503 525) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 503 525) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 503 525) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point L277(line 277) no Hoare annotation was computed. [2021-02-19 17:01:18,334 INFO L189 CegarLoopUtils]: For program point L277-1(line 277) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L300(lines 300 311) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L263(lines 263 267) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L282(lines 260 283) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L241(lines 241 257) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L301(lines 301 308) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L262(lines 261 281) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L293(line 293) no Hoare annotation was computed. [2021-02-19 17:01:18,335 INFO L189 CegarLoopUtils]: For program point L293-1(line 293) no Hoare annotation was computed. [2021-02-19 17:01:18,336 INFO L189 CegarLoopUtils]: For program point L258(lines 258 299) no Hoare annotation was computed. [2021-02-19 17:01:18,336 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 717 726) no Hoare annotation was computed. [2021-02-19 17:01:18,336 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 717 726) no Hoare annotation was computed. [2021-02-19 17:01:18,336 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 717 726) no Hoare annotation was computed. [2021-02-19 17:01:18,336 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:18,336 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#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)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point L833(line 833) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point L833-1(lines 822 838) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point L829(lines 829 835) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 822 838) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point L827(line 827) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point L827-1(line 827) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 822 838) no Hoare annotation was computed. [2021-02-19 17:01:18,337 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 526 534) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 526 534) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 526 534) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 482 493) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 482 493) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point L486-1(lines 482 493) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 494 502) the Hoare annotation is: true [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 494 502) no Hoare annotation was computed. [2021-02-19 17:01:18,338 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 494 502) no Hoare annotation was computed. [2021-02-19 17:01:18,339 INFO L185 CegarLoopUtils]: At program point L769(line 769) 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))) [2021-02-19 17:01:18,339 INFO L185 CegarLoopUtils]: At program point L767(lines 767 773) 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))) [2021-02-19 17:01:18,339 INFO L185 CegarLoopUtils]: At program point L762(line 762) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:01:18,339 INFO L189 CegarLoopUtils]: For program point L760(lines 759 778) no Hoare annotation was computed. [2021-02-19 17:01:18,339 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 756 779) 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))) [2021-02-19 17:01:18,339 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 756 779) no Hoare annotation was computed. [2021-02-19 17:01:18,339 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 756 779) no Hoare annotation was computed. [2021-02-19 17:01:18,339 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2021-02-19 17:01:18,339 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2021-02-19 17:01:18,340 INFO L192 CegarLoopUtils]: At program point L572(lines 547 576) the Hoare annotation is: true [2021-02-19 17:01:18,340 INFO L189 CegarLoopUtils]: For program point L568(line 568) no Hoare annotation was computed. [2021-02-19 17:01:18,340 INFO L189 CegarLoopUtils]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-02-19 17:01:18,340 INFO L192 CegarLoopUtils]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2021-02-19 17:01:18,340 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2021-02-19 17:01:18,340 INFO L192 CegarLoopUtils]: At program point L557-2(lines 557 571) the Hoare annotation is: true [2021-02-19 17:01:18,340 INFO L192 CegarLoopUtils]: At program point L553(line 553) the Hoare annotation is: true [2021-02-19 17:01:18,340 INFO L189 CegarLoopUtils]: For program point L553-1(line 553) no Hoare annotation was computed. [2021-02-19 17:01:18,340 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 458 469) the Hoare annotation is: true [2021-02-19 17:01:18,340 INFO L189 CegarLoopUtils]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2021-02-19 17:01:18,341 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 458 469) no Hoare annotation was computed. [2021-02-19 17:01:18,341 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2021-02-19 17:01:18,341 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2021-02-19 17:01:18,341 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:18,341 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 17:01:18,341 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:01:18,341 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:18,341 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 470 481) no Hoare annotation was computed. [2021-02-19 17:01:18,341 INFO L189 CegarLoopUtils]: For program point L474-1(lines 470 481) no Hoare annotation was computed. [2021-02-19 17:01:18,342 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 470 481) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:01:18,342 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 938 945) no Hoare annotation was computed. [2021-02-19 17:01:18,342 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-02-19 17:01:18,342 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 938 945) the Hoare annotation is: true [2021-02-19 17:01:18,342 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 938 945) no Hoare annotation was computed. [2021-02-19 17:01:18,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:01:18 BoogieIcfgContainer [2021-02-19 17:01:18,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:01:18,357 INFO L168 Benchmark]: Toolchain (without parser) took 35013.60 ms. Allocated memory was 170.9 MB in the beginning and 453.0 MB in the end (delta: 282.1 MB). Free memory was 145.2 MB in the beginning and 261.7 MB in the end (delta: -116.4 MB). Peak memory consumption was 271.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:18,358 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 170.9 MB. Free memory is still 143.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:01:18,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.20 ms. Allocated memory is still 170.9 MB. Free memory was 144.2 MB in the beginning and 122.5 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:18,359 INFO L168 Benchmark]: Boogie Preprocessor took 166.99 ms. Allocated memory is still 170.9 MB. Free memory was 122.5 MB in the beginning and 118.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:18,359 INFO L168 Benchmark]: RCFGBuilder took 1465.99 ms. Allocated memory is still 170.9 MB. Free memory was 118.6 MB in the beginning and 66.3 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:18,360 INFO L168 Benchmark]: TraceAbstraction took 32708.36 ms. Allocated memory was 205.5 MB in the beginning and 453.0 MB in the end (delta: 247.5 MB). Free memory was 184.9 MB in the beginning and 261.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 275.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:18,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 170.9 MB. Free memory is still 143.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 633.20 ms. Allocated memory is still 170.9 MB. Free memory was 144.2 MB in the beginning and 122.5 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 166.99 ms. Allocated memory is still 170.9 MB. Free memory was 122.5 MB in the beginning and 118.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1465.99 ms. Allocated memory is still 170.9 MB. Free memory was 118.6 MB in the beginning and 66.3 MB in the end (delta: 52.2 MB). Peak memory consumption was 52.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32708.36 ms. Allocated memory was 205.5 MB in the beginning and 453.0 MB in the end (delta: 247.5 MB). Free memory was 184.9 MB in the beginning and 261.7 MB in the end (delta: -76.8 MB). Peak memory consumption was 275.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 490 SDtfs, 880 SDslu, 574 SDs, 0 SdLazy, 2435 SolverSat, 604 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 793 HoareAnnotationTreeSize, 491 FomulaSimplifications, 210498 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 54 FomulaSimplificationsInter, 18820 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 88582 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...