/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_spec5_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:09:48,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:09:48,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:09:48,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:09:48,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:09:48,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:09:48,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:09:48,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:09:48,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:09:48,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:09:48,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:09:48,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:09:48,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:09:48,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:09:48,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:09:48,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:09:48,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:09:48,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:09:48,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:09:48,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:09:48,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:09:48,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:09:48,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:09:48,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:09:48,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:09:48,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:09:48,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:09:48,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:09:48,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:09:48,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:09:48,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:09:48,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:09:48,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:09:48,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:09:48,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:09:48,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:09:48,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:09:48,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:09:48,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:09:48,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:09:48,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:09:48,634 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 17:09:48,688 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:09:48,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:09:48,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:09:48,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:09:48,693 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:09:48,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:09:48,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:09:48,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:09:48,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:09:48,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:09:48,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:09:48,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:09:48,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:09:48,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:09:48,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:09:48,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:09:48,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:09:48,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:09:48,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:09:48,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:09:48,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:09:48,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:09:48,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:09:48,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:09:48,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:09:48,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:09:48,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:09:48,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:09:48,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:09:49,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:09:49,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:09:49,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:09:49,247 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:09:49,248 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:09:49,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2021-02-19 17:09:49,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc07f482/6f8f18d0259e46f18760bb81bc9ee21e/FLAGc248930c7 [2021-02-19 17:09:49,977 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:09:49,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product07.cil.c [2021-02-19 17:09:50,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc07f482/6f8f18d0259e46f18760bb81bc9ee21e/FLAGc248930c7 [2021-02-19 17:09:50,261 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fc07f482/6f8f18d0259e46f18760bb81bc9ee21e [2021-02-19 17:09:50,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:09:50,276 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:09:50,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:09:50,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:09:50,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:09:50,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:50,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df3e17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50, skipping insertion in model container [2021-02-19 17:09:50,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:50,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:09:50,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:09:50,656 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_spec5_product07.cil.c[7250,7263] [2021-02-19 17:09:50,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:09:50,742 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:09:50,843 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_spec5_product07.cil.c[7250,7263] [2021-02-19 17:09:50,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:09:50,961 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:09:50,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50 WrapperNode [2021-02-19 17:09:50,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:09:50,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:09:50,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:09:50,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:09:50,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:50,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:51,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:51,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:51,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:51,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:51,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (1/1) ... [2021-02-19 17:09:51,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:09:51,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:09:51,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:09:51,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:09:51,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (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 17:09:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:09:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:09:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:09:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:09:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:09:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:09:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:09:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:09:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:09:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:09:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:09:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:09:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:09:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:09:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:09:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:09:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:09:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:09:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:09:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:09:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:09:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:09:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:09:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:09:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:09:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:09:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:09:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:09:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:09:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:09:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:09:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:09:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:09:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:09:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:09:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:09:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:09:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:09:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:09:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:09:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:09:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:09:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:09:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:09:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:09:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:09:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:09:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:09:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:09:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:09:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:09:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:09:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:09:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 17:09:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:09:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:09:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:09:51,284 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:09:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:09:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:09:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:09:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:09:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:09:51,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:09:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:09:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:09:51,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:09:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:09:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:09:51,287 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:09:51,288 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:09:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:09:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:09:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:09:51,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:09:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:09:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:09:51,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:09:52,801 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:09:52,801 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:09:52,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:09:52 BoogieIcfgContainer [2021-02-19 17:09:52,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:09:52,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:09:52,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:09:52,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:09:52,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:09:50" (1/3) ... [2021-02-19 17:09:52,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efb8a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:09:52, skipping insertion in model container [2021-02-19 17:09:52,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:50" (2/3) ... [2021-02-19 17:09:52,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@efb8a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:09:52, skipping insertion in model container [2021-02-19 17:09:52,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:09:52" (3/3) ... [2021-02-19 17:09:52,846 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2021-02-19 17:09:52,857 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:09:52,863 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:09:52,885 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:09:52,918 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:09:52,919 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:09:52,919 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:09:52,919 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:09:52,919 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:09:52,919 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:09:52,920 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:09:52,920 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:09:52,943 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2021-02-19 17:09:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:09:52,954 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:52,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:09:52,956 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:52,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:52,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1561898070, now seen corresponding path program 1 times [2021-02-19 17:09:52,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:52,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548272000] [2021-02-19 17:09:52,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,810 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:53,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:09:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:54,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:54,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:54,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:54,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:54,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:09:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:54,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:54,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:54,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:09:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:54,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:54,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:54,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:09:54,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548272000] [2021-02-19 17:09:54,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:54,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:09:54,066 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61811838] [2021-02-19 17:09:54,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:09:54,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:54,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:09:54,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:09:54,091 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 4 states. [2021-02-19 17:09:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:55,391 INFO L93 Difference]: Finished difference Result 264 states and 343 transitions. [2021-02-19 17:09:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:09:55,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-19 17:09:55,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:55,407 INFO L225 Difference]: With dead ends: 264 [2021-02-19 17:09:55,407 INFO L226 Difference]: Without dead ends: 147 [2021-02-19 17:09:55,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 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 17:09:55,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2021-02-19 17:09:55,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 118. [2021-02-19 17:09:55,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2021-02-19 17:09:55,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 138 transitions. [2021-02-19 17:09:55,504 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 138 transitions. Word has length 59 [2021-02-19 17:09:55,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:55,505 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 138 transitions. [2021-02-19 17:09:55,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:09:55,505 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 138 transitions. [2021-02-19 17:09:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 17:09:55,509 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:55,509 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:09:55,509 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:09:55,509 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:55,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:55,510 INFO L82 PathProgramCache]: Analyzing trace with hash 2082367242, now seen corresponding path program 1 times [2021-02-19 17:09:55,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:55,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849444910] [2021-02-19 17:09:55,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:55,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:55,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:55,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:55,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:55,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:55,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,008 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:56,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:09:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:09:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:09:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:56,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:56,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:56,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:09:56,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849444910] [2021-02-19 17:09:56,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:56,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:09:56,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450029259] [2021-02-19 17:09:56,127 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:09:56,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:56,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:09:56,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:09:56,129 INFO L87 Difference]: Start difference. First operand 118 states and 138 transitions. Second operand 5 states. [2021-02-19 17:09:56,763 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:09:57,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:57,705 INFO L93 Difference]: Finished difference Result 203 states and 247 transitions. [2021-02-19 17:09:57,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:09:57,709 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-19 17:09:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:57,711 INFO L225 Difference]: With dead ends: 203 [2021-02-19 17:09:57,712 INFO L226 Difference]: Without dead ends: 137 [2021-02-19 17:09:57,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 17:09:57,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-02-19 17:09:57,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 109. [2021-02-19 17:09:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-19 17:09:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 126 transitions. [2021-02-19 17:09:57,766 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 126 transitions. Word has length 60 [2021-02-19 17:09:57,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:57,766 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 126 transitions. [2021-02-19 17:09:57,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:09:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 126 transitions. [2021-02-19 17:09:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-19 17:09:57,769 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:57,769 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:09:57,769 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:09:57,769 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:57,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:57,770 INFO L82 PathProgramCache]: Analyzing trace with hash -857679685, now seen corresponding path program 1 times [2021-02-19 17:09:57,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:57,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714889877] [2021-02-19 17:09:57,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:57,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:57,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:57,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,277 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:58,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:09:58,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:58,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,343 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 17:09:58,344 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 17:09:58,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:09:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 17:09:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 17:09:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:09:58,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714889877] [2021-02-19 17:09:58,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:58,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:09:58,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291998655] [2021-02-19 17:09:58,409 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:09:58,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:58,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:09:58,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:09:58,410 INFO L87 Difference]: Start difference. First operand 109 states and 126 transitions. Second operand 9 states. [2021-02-19 17:09:58,950 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:09:59,411 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:59,856 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:00,226 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:01,356 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:10:02,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:02,848 INFO L93 Difference]: Finished difference Result 368 states and 456 transitions. [2021-02-19 17:10:02,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:10:02,848 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-19 17:10:02,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:02,860 INFO L225 Difference]: With dead ends: 368 [2021-02-19 17:10:02,860 INFO L226 Difference]: Without dead ends: 287 [2021-02-19 17:10:02,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:10:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-02-19 17:10:02,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 238. [2021-02-19 17:10:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-02-19 17:10:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 288 transitions. [2021-02-19 17:10:02,965 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 288 transitions. Word has length 64 [2021-02-19 17:10:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:02,965 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 288 transitions. [2021-02-19 17:10:02,966 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:10:02,966 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 288 transitions. [2021-02-19 17:10:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-02-19 17:10:02,968 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:02,968 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:02,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:10:02,969 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:02,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:02,970 INFO L82 PathProgramCache]: Analyzing trace with hash 718884680, now seen corresponding path program 1 times [2021-02-19 17:10:02,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:02,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456953958] [2021-02-19 17:10:02,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,413 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:03,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:10:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:10:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 17:10:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:03,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-02-19 17:10:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:03,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:03,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 17:10:03,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456953958] [2021-02-19 17:10:03,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:03,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:10:03,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199683329] [2021-02-19 17:10:03,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:10:03,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:03,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:10:03,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:10:03,556 INFO L87 Difference]: Start difference. First operand 238 states and 288 transitions. Second operand 9 states. [2021-02-19 17:10:04,127 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:10:05,006 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:05,896 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:06,288 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:06,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:06,509 INFO L93 Difference]: Finished difference Result 426 states and 550 transitions. [2021-02-19 17:10:06,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 17:10:06,510 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2021-02-19 17:10:06,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:06,511 INFO L225 Difference]: With dead ends: 426 [2021-02-19 17:10:06,512 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:10:06,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:10:06,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:10:06,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:10:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:10:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:10:06,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2021-02-19 17:10:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:06,517 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:10:06,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:10:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:10:06,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:10:06,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:10:06,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:10:08,666 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2021-02-19 17:10:08,907 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:09,198 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:09,459 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 17:10:09,729 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:10,051 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:10,583 WARN L202 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 14 [2021-02-19 17:10:10,846 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:11,110 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:11,628 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:11,954 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:10:12,229 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:10:12,746 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:13,265 WARN L202 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:13,526 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:13,804 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:14,099 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:14,361 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:10:14,635 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:14,911 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:15,183 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:15,752 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2021-02-19 17:10:16,285 WARN L202 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2021-02-19 17:10:16,293 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:10:16,293 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:10:16,293 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:10:16,293 INFO L189 CegarLoopUtils]: For program point L631(lines 631 635) no Hoare annotation was computed. [2021-02-19 17:10:16,293 INFO L189 CegarLoopUtils]: For program point L631-1(lines 631 635) no Hoare annotation was computed. [2021-02-19 17:10:16,293 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 600 655) no Hoare annotation was computed. [2021-02-19 17:10:16,293 INFO L189 CegarLoopUtils]: For program point L626(line 626) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point L625-2(lines 625 646) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point L647(lines 624 648) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 600 655) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 600 655) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point L701(line 701) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point L701-1(line 701) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 656 715) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-02-19 17:10:16,294 INFO L189 CegarLoopUtils]: For program point L688-1(lines 688 692) no Hoare annotation was computed. [2021-02-19 17:10:16,295 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 656 715) no Hoare annotation was computed. [2021-02-19 17:10:16,295 INFO L189 CegarLoopUtils]: For program point L683(line 683) no Hoare annotation was computed. [2021-02-19 17:10:16,295 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 656 715) no Hoare annotation was computed. [2021-02-19 17:10:16,295 INFO L189 CegarLoopUtils]: For program point L682-2(lines 682 707) no Hoare annotation was computed. [2021-02-19 17:10:16,295 INFO L189 CegarLoopUtils]: For program point L708(lines 681 709) no Hoare annotation was computed. [2021-02-19 17:10:16,295 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 531 537) the Hoare annotation is: true [2021-02-19 17:10:16,295 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 531 537) no Hoare annotation was computed. [2021-02-19 17:10:16,296 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 538 546) no Hoare annotation was computed. [2021-02-19 17:10:16,296 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 538 546) the Hoare annotation is: true [2021-02-19 17:10:16,296 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 538 546) no Hoare annotation was computed. [2021-02-19 17:10:16,296 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 235 242) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:10:16,296 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 235 242) no Hoare annotation was computed. [2021-02-19 17:10:16,296 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 235 242) no Hoare annotation was computed. [2021-02-19 17:10:16,297 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 243 252) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2021-02-19 17:10:16,297 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 243 252) no Hoare annotation was computed. [2021-02-19 17:10:16,297 INFO L189 CegarLoopUtils]: For program point L248(line 248) no Hoare annotation was computed. [2021-02-19 17:10:16,297 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 243 252) no Hoare annotation was computed. [2021-02-19 17:10:16,297 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 253 281) the Hoare annotation is: true [2021-02-19 17:10:16,297 INFO L185 CegarLoopUtils]: At program point L268(line 268) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:10:16,297 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 253 281) no Hoare annotation was computed. [2021-02-19 17:10:16,297 INFO L189 CegarLoopUtils]: For program point L266(lines 266 272) no Hoare annotation was computed. [2021-02-19 17:10:16,298 INFO L189 CegarLoopUtils]: For program point L265(lines 265 275) no Hoare annotation was computed. [2021-02-19 17:10:16,298 INFO L192 CegarLoopUtils]: At program point L263(line 263) the Hoare annotation is: true [2021-02-19 17:10:16,298 INFO L189 CegarLoopUtils]: For program point L263-1(line 263) no Hoare annotation was computed. [2021-02-19 17:10:16,298 INFO L189 CegarLoopUtils]: For program point L261(lines 261 278) no Hoare annotation was computed. [2021-02-19 17:10:16,298 INFO L189 CegarLoopUtils]: For program point L261-1(lines 253 281) no Hoare annotation was computed. [2021-02-19 17:10:16,298 INFO L192 CegarLoopUtils]: At program point L259(line 259) the Hoare annotation is: true [2021-02-19 17:10:16,298 INFO L189 CegarLoopUtils]: For program point L259-1(line 259) no Hoare annotation was computed. [2021-02-19 17:10:16,299 INFO L185 CegarLoopUtils]: At program point L130-1(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,299 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,299 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:10:16,299 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:10:16,299 INFO L185 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-19 17:10:16,299 INFO L185 CegarLoopUtils]: At program point L136-1(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-19 17:10:16,300 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:10:16,300 INFO L189 CegarLoopUtils]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:10:16,300 INFO L189 CegarLoopUtils]: For program point L132(line 132) no Hoare annotation was computed. [2021-02-19 17:10:16,300 INFO L185 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,300 INFO L185 CegarLoopUtils]: At program point L130(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,300 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-19 17:10:16,301 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 488 502) no Hoare annotation was computed. [2021-02-19 17:10:16,302 INFO L185 CegarLoopUtils]: At program point L494(line 494) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:10:16,303 INFO L189 CegarLoopUtils]: For program point L492(lines 492 498) no Hoare annotation was computed. [2021-02-19 17:10:16,303 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 488 502) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 17:10:16,303 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 488 502) no Hoare annotation was computed. [2021-02-19 17:10:16,303 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 443 451) no Hoare annotation was computed. [2021-02-19 17:10:16,303 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 443 451) the Hoare annotation is: true [2021-02-19 17:10:16,303 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 443 451) no Hoare annotation was computed. [2021-02-19 17:10:16,303 INFO L189 CegarLoopUtils]: For program point L482-1(line 482) no Hoare annotation was computed. [2021-02-19 17:10:16,303 INFO L189 CegarLoopUtils]: For program point L471(lines 471 479) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point L471-2(lines 471 479) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 452 487) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point L459(lines 459 467) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point L459-2(lines 459 467) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 452 487) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 452 487) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2021-02-19 17:10:16,304 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 524 530) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 524 530) the Hoare annotation is: true [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 554 599) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 554 599) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 554 599) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 867 912) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point L887(lines 887 894) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point L881(lines 881 901) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point L881-1(lines 881 901) no Hoare annotation was computed. [2021-02-19 17:10:16,305 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 867 912) no Hoare annotation was computed. [2021-02-19 17:10:16,306 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 867 912) no Hoare annotation was computed. [2021-02-19 17:10:16,306 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,306 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:10:16,306 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:10:16,306 INFO L185 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,306 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 432 442) the Hoare annotation is: true [2021-02-19 17:10:16,307 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 432 442) no Hoare annotation was computed. [2021-02-19 17:10:16,307 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 432 442) no Hoare annotation was computed. [2021-02-19 17:10:16,307 INFO L192 CegarLoopUtils]: At program point L437(line 437) the Hoare annotation is: true [2021-02-19 17:10:16,307 INFO L189 CegarLoopUtils]: For program point L437-1(line 437) no Hoare annotation was computed. [2021-02-19 17:10:16,307 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 424 431) the Hoare annotation is: true [2021-02-19 17:10:16,307 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 424 431) no Hoare annotation was computed. [2021-02-19 17:10:16,307 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 424 431) no Hoare annotation was computed. [2021-02-19 17:10:16,307 INFO L185 CegarLoopUtils]: At program point L410(line 410) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,307 INFO L189 CegarLoopUtils]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2021-02-19 17:10:16,308 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 391 415) no Hoare annotation was computed. [2021-02-19 17:10:16,308 INFO L185 CegarLoopUtils]: At program point L405(line 405) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,308 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 391 415) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,308 INFO L185 CegarLoopUtils]: At program point L401(line 401) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,308 INFO L189 CegarLoopUtils]: For program point L399(lines 399 407) no Hoare annotation was computed. [2021-02-19 17:10:16,308 INFO L185 CegarLoopUtils]: At program point L397(line 397) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,308 INFO L189 CegarLoopUtils]: For program point L397-1(line 397) no Hoare annotation was computed. [2021-02-19 17:10:16,308 INFO L189 CegarLoopUtils]: For program point L395(lines 395 412) no Hoare annotation was computed. [2021-02-19 17:10:16,309 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 383 389) no Hoare annotation was computed. [2021-02-19 17:10:16,309 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 383 389) the Hoare annotation is: true [2021-02-19 17:10:16,309 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 284 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,309 INFO L185 CegarLoopUtils]: At program point L316(line 316) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:16,309 INFO L189 CegarLoopUtils]: For program point L314(lines 314 320) no Hoare annotation was computed. [2021-02-19 17:10:16,309 INFO L189 CegarLoopUtils]: For program point L314-1(lines 314 320) no Hoare annotation was computed. [2021-02-19 17:10:16,309 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 284 349) no Hoare annotation was computed. [2021-02-19 17:10:16,310 INFO L185 CegarLoopUtils]: At program point L339(lines 294 341) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:16,310 INFO L185 CegarLoopUtils]: At program point L306(line 306) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:16,310 INFO L189 CegarLoopUtils]: For program point L304(lines 304 310) no Hoare annotation was computed. [2021-02-19 17:10:16,310 INFO L189 CegarLoopUtils]: For program point L304-1(lines 304 310) no Hoare annotation was computed. [2021-02-19 17:10:16,310 INFO L189 CegarLoopUtils]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-02-19 17:10:16,310 INFO L185 CegarLoopUtils]: At program point L342(lines 293 343) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,310 INFO L185 CegarLoopUtils]: At program point L332(line 332) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:16,311 INFO L189 CegarLoopUtils]: For program point L330(lines 330 336) no Hoare annotation was computed. [2021-02-19 17:10:16,311 INFO L185 CegarLoopUtils]: At program point L330-1(lines 324 337) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:16,311 INFO L189 CegarLoopUtils]: For program point L295(lines 294 341) no Hoare annotation was computed. [2021-02-19 17:10:16,311 INFO L189 CegarLoopUtils]: For program point L324(lines 324 337) no Hoare annotation was computed. [2021-02-19 17:10:16,311 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 284 349) no Hoare annotation was computed. [2021-02-19 17:10:16,311 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 821 866) no Hoare annotation was computed. [2021-02-19 17:10:16,311 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 821 866) no Hoare annotation was computed. [2021-02-19 17:10:16,311 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 821 866) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point L841(lines 841 848) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point L835(lines 835 855) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point L835-1(lines 835 855) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point L207(lines 207 215) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point L207-2(lines 207 215) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 199 221) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 199 221) no Hoare annotation was computed. [2021-02-19 17:10:16,312 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 199 221) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 514 523) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 514 523) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 514 523) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point L768(lines 767 787) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point L799(line 799) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 718 820) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point L799-1(line 799) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point L764(lines 764 805) no Hoare annotation was computed. [2021-02-19 17:10:16,313 INFO L189 CegarLoopUtils]: For program point L783(line 783) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point L783-1(line 783) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point L742(lines 742 746) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point L806(lines 806 817) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 718 820) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point L769(lines 769 773) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point L767-2(lines 767 787) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point L788(lines 766 789) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 718 820) no Hoare annotation was computed. [2021-02-19 17:10:16,314 INFO L189 CegarLoopUtils]: For program point L747(lines 747 763) no Hoare annotation was computed. [2021-02-19 17:10:16,315 INFO L189 CegarLoopUtils]: For program point L807(lines 807 814) no Hoare annotation was computed. [2021-02-19 17:10:16,315 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:16,315 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:10:16,315 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:16,315 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 416 423) no Hoare annotation was computed. [2021-02-19 17:10:16,316 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 416 423) no Hoare annotation was computed. [2021-02-19 17:10:16,316 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 416 423) no Hoare annotation was computed. [2021-02-19 17:10:16,316 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 222 230) the Hoare annotation is: true [2021-02-19 17:10:16,316 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 222 230) no Hoare annotation was computed. [2021-02-19 17:10:16,316 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 222 230) no Hoare annotation was computed. [2021-02-19 17:10:16,316 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:10:16,316 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2021-02-19 17:10:16,316 INFO L189 CegarLoopUtils]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2021-02-19 17:10:16,317 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:16,317 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:10:16,317 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:16,317 INFO L185 CegarLoopUtils]: At program point L372(line 372) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,317 INFO L185 CegarLoopUtils]: At program point L370(lines 370 376) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-19 17:10:16,317 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 356 382) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:16,317 INFO L185 CegarLoopUtils]: At program point L365(line 365) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:10:16,317 INFO L189 CegarLoopUtils]: For program point L363(lines 359 381) no Hoare annotation was computed. [2021-02-19 17:10:16,318 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 356 382) no Hoare annotation was computed. [2021-02-19 17:10:16,318 INFO L189 CegarLoopUtils]: For program point L361(lines 359 381) no Hoare annotation was computed. [2021-02-19 17:10:16,318 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 356 382) no Hoare annotation was computed. [2021-02-19 17:10:16,318 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-19 17:10:16,318 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-19 17:10:16,318 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-19 17:10:16,318 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-19 17:10:16,318 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-19 17:10:16,318 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-19 17:10:16,319 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-19 17:10:16,319 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-19 17:10:16,319 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-19 17:10:16,319 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-19 17:10:16,319 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2021-02-19 17:10:16,319 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2021-02-19 17:10:16,319 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2021-02-19 17:10:16,319 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: true [2021-02-19 17:10:16,320 INFO L189 CegarLoopUtils]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2021-02-19 17:10:16,320 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2021-02-19 17:10:16,320 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-19 17:10:16,320 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-19 17:10:16,320 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:16,320 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-19 17:10:16,320 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:10:16,320 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:16,320 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2021-02-19 17:10:16,321 INFO L189 CegarLoopUtils]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2021-02-19 17:10:16,321 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:16,321 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 504 511) no Hoare annotation was computed. [2021-02-19 17:10:16,321 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 508) no Hoare annotation was computed. [2021-02-19 17:10:16,321 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 504 511) the Hoare annotation is: true [2021-02-19 17:10:16,321 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 504 511) no Hoare annotation was computed. [2021-02-19 17:10:16,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:10:16 BoogieIcfgContainer [2021-02-19 17:10:16,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:10:16,339 INFO L168 Benchmark]: Toolchain (without parser) took 26072.16 ms. Allocated memory was 151.0 MB in the beginning and 407.9 MB in the end (delta: 256.9 MB). Free memory was 125.2 MB in the beginning and 269.9 MB in the end (delta: -144.8 MB). Peak memory consumption was 244.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:16,339 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:10:16,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.49 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:16,340 INFO L168 Benchmark]: Boogie Preprocessor took 150.09 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 99.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:16,341 INFO L168 Benchmark]: RCFGBuilder took 1692.06 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 49.6 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:16,342 INFO L168 Benchmark]: TraceAbstraction took 23525.79 ms. Allocated memory was 151.0 MB in the beginning and 407.9 MB in the end (delta: 256.9 MB). Free memory was 49.1 MB in the beginning and 269.9 MB in the end (delta: -220.8 MB). Peak memory consumption was 168.7 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:16,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 682.49 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 150.09 ms. Allocated memory is still 151.0 MB. Free memory was 103.1 MB in the beginning and 99.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1692.06 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 49.6 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23525.79 ms. Allocated memory was 151.0 MB in the beginning and 407.9 MB in the end (delta: 256.9 MB). Free memory was 49.1 MB in the beginning and 269.9 MB in the end (delta: -220.8 MB). Peak memory consumption was 168.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 508]: 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: 293]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 421 SDtfs, 630 SDslu, 393 SDs, 0 SdLazy, 1512 SolverSat, 412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 106 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 286 PreInvPairs, 325 NumberOfFragments, 687 HoareAnnotationTreeSize, 286 FomulaSimplifications, 14464 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 55 FomulaSimplificationsInter, 10621 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 249 ConstructedInterpolants, 0 QuantifiedInterpolants, 78274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...