/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_spec1_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 12:49:39,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 12:49:39,349 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 12:49:39,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 12:49:39,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 12:49:39,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 12:49:39,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 12:49:39,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 12:49:39,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 12:49:39,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 12:49:39,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 12:49:39,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 12:49:39,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 12:49:39,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 12:49:39,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 12:49:39,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 12:49:39,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 12:49:39,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 12:49:39,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 12:49:39,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 12:49:39,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 12:49:39,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 12:49:39,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 12:49:39,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 12:49:39,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 12:49:39,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 12:49:39,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 12:49:39,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 12:49:39,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 12:49:39,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 12:49:39,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 12:49:39,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 12:49:39,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 12:49:39,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 12:49:39,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 12:49:39,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 12:49:39,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 12:49:39,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 12:49:39,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 12:49:39,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 12:49:39,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 12:49:39,501 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 [2021-02-23 12:49:39,529 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 12:49:39,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 12:49:39,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 12:49:39,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 12:49:39,532 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 12:49:39,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 12:49:39,532 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 12:49:39,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 12:49:39,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 12:49:39,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 12:49:39,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 12:49:39,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 12:49:39,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 12:49:39,534 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 12:49:39,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 12:49:39,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 12:49:39,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 12:49:39,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 12:49:39,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 12:49:39,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 12:49:39,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 12:49:39,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 12:49:39,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 12:49:39,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 12:49:39,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 12:49:39,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 12:49:39,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 12:49:39,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 12:49:39,537 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 12:49:39,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 12:49:39,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 12:49:39,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 12:49:39,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 12:49:39,994 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 12:49:39,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2021-02-23 12:49:40,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a615bb1be/739fe7efaade42f4b5273a8f519510cc/FLAGbe0cb3ddc [2021-02-23 12:49:40,860 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 12:49:40,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2021-02-23 12:49:40,884 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a615bb1be/739fe7efaade42f4b5273a8f519510cc/FLAGbe0cb3ddc [2021-02-23 12:49:41,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a615bb1be/739fe7efaade42f4b5273a8f519510cc [2021-02-23 12:49:41,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 12:49:41,184 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 12:49:41,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 12:49:41,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 12:49:41,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 12:49:41,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a592ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41, skipping insertion in model container [2021-02-23 12:49:41,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 12:49:41,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 12:49:41,412 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_spec1_product04.cil.c[1281,1294] [2021-02-23 12:49:41,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:49:41,551 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 12:49:41,569 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_spec1_product04.cil.c[1281,1294] [2021-02-23 12:49:41,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:49:41,672 INFO L208 MainTranslator]: Completed translation [2021-02-23 12:49:41,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41 WrapperNode [2021-02-23 12:49:41,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 12:49:41,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 12:49:41,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 12:49:41,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 12:49:41,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 12:49:41,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 12:49:41,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 12:49:41,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 12:49:41,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (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 [2021-02-23 12:49:41,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 12:49:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 12:49:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 12:49:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 12:49:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 12:49:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 12:49:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 12:49:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 12:49:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 12:49:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 12:49:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 12:49:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 12:49:41,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 12:49:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-23 12:49:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 12:49:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 12:49:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 12:49:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 12:49:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 12:49:41,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 12:49:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 12:49:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 12:49:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 12:49:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 12:49:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 12:49:41,932 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 12:49:41,933 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 12:49:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 12:49:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 12:49:41,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 12:49:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 12:49:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 12:49:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 12:49:41,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 12:49:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 12:49:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 12:49:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 12:49:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 12:49:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 12:49:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 12:49:41,935 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 12:49:41,936 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 12:49:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 12:49:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 12:49:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-23 12:49:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 12:49:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 12:49:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 12:49:41,937 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 12:49:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 12:49:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 12:49:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 12:49:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 12:49:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 12:49:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 12:49:41,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 12:49:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 12:49:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 12:49:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 12:49:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 12:49:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 12:49:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 12:49:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 12:49:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 12:49:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 12:49:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 12:49:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 12:49:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 12:49:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 12:49:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 12:49:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 12:49:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 12:49:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 12:49:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 12:49:43,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 12:49:43,050 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 12:49:43,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:49:43 BoogieIcfgContainer [2021-02-23 12:49:43,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 12:49:43,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 12:49:43,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 12:49:43,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 12:49:43,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 12:49:41" (1/3) ... [2021-02-23 12:49:43,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a1ef0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:49:43, skipping insertion in model container [2021-02-23 12:49:43,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (2/3) ... [2021-02-23 12:49:43,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a1ef0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:49:43, skipping insertion in model container [2021-02-23 12:49:43,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:49:43" (3/3) ... [2021-02-23 12:49:43,068 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-02-23 12:49:43,077 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 12:49:43,083 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 12:49:43,108 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 12:49:43,142 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 12:49:43,142 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 12:49:43,142 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 12:49:43,142 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 12:49:43,143 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 12:49:43,143 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 12:49:43,143 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 12:49:43,143 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 12:49:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2021-02-23 12:49:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-23 12:49:43,178 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:43,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:49:43,180 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:43,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:43,187 INFO L82 PathProgramCache]: Analyzing trace with hash -2050010910, now seen corresponding path program 1 times [2021-02-23 12:49:43,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:43,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632839150] [2021-02-23 12:49:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:43,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:43,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:43,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:43,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:43,980 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:43,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 12:49:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 12:49:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:44,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632839150] [2021-02-23 12:49:44,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:44,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 12:49:44,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956993039] [2021-02-23 12:49:44,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 12:49:44,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:44,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 12:49:44,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:49:44,121 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 3 states. [2021-02-23 12:49:45,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:45,316 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2021-02-23 12:49:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 12:49:45,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-23 12:49:45,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:45,332 INFO L225 Difference]: With dead ends: 228 [2021-02-23 12:49:45,333 INFO L226 Difference]: Without dead ends: 125 [2021-02-23 12:49:45,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:49:45,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-02-23 12:49:45,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2021-02-23 12:49:45,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-23 12:49:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2021-02-23 12:49:45,426 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2021-02-23 12:49:45,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:45,426 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2021-02-23 12:49:45,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 12:49:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2021-02-23 12:49:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-23 12:49:45,435 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:45,436 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:49:45,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 12:49:45,437 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:45,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:45,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1930107406, now seen corresponding path program 1 times [2021-02-23 12:49:45,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:45,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285191621] [2021-02-23 12:49:45,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,610 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:45,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,970 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:45,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:46,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:46,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:46,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:46,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:46,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:46,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:46,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:46,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:46,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:46,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:46,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 12:49:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:46,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:46,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:46,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:49:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:46,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:46,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:46,027 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285191621] [2021-02-23 12:49:46,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:46,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 12:49:46,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183996555] [2021-02-23 12:49:46,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 12:49:46,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:46,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 12:49:46,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 12:49:46,031 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2021-02-23 12:49:46,561 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:49:47,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:47,194 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2021-02-23 12:49:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 12:49:47,195 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-23 12:49:47,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:47,198 INFO L225 Difference]: With dead ends: 148 [2021-02-23 12:49:47,198 INFO L226 Difference]: Without dead ends: 109 [2021-02-23 12:49:47,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 12:49:47,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-23 12:49:47,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2021-02-23 12:49:47,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-02-23 12:49:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2021-02-23 12:49:47,272 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2021-02-23 12:49:47,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:47,273 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2021-02-23 12:49:47,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 12:49:47,273 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2021-02-23 12:49:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-23 12:49:47,287 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:47,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:49:47,288 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 12:49:47,288 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:47,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:47,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1536542870, now seen corresponding path program 1 times [2021-02-23 12:49:47,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:47,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355955916] [2021-02-23 12:49:47,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:49:47,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:49:47,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:49:47,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,796 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:47,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 12:49:47,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,947 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 12:49:47,949 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 12:49:47,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 12:49:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-23 12:49:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:48,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355955916] [2021-02-23 12:49:48,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:48,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:49:48,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333226592] [2021-02-23 12:49:48,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:49:48,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:48,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:49:48,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:49:48,016 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2021-02-23 12:49:48,551 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:49,011 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:49,388 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:49,781 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:50,702 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:49:51,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:51,993 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2021-02-23 12:49:51,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 12:49:51,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-23 12:49:51,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:51,998 INFO L225 Difference]: With dead ends: 302 [2021-02-23 12:49:51,999 INFO L226 Difference]: Without dead ends: 241 [2021-02-23 12:49:52,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-23 12:49:52,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-02-23 12:49:52,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2021-02-23 12:49:52,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-02-23 12:49:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2021-02-23 12:49:52,071 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2021-02-23 12:49:52,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:52,071 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2021-02-23 12:49:52,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:49:52,072 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2021-02-23 12:49:52,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-23 12:49:52,073 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:52,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:49:52,073 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 12:49:52,074 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:52,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:52,074 INFO L82 PathProgramCache]: Analyzing trace with hash 519626364, now seen corresponding path program 1 times [2021-02-23 12:49:52,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:52,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703112758] [2021-02-23 12:49:52,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:52,518 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:52,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:52,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:52,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:52,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 12:49:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 12:49:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:52,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-23 12:49:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:52,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:52,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:52,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703112758] [2021-02-23 12:49:52,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:52,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 12:49:52,626 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705309102] [2021-02-23 12:49:52,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 12:49:52,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:52,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 12:49:52,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 12:49:52,628 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 7 states. [2021-02-23 12:49:53,140 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:54,224 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:54,603 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:55,059 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:55,417 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:55,861 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:49:56,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:56,313 INFO L93 Difference]: Finished difference Result 521 states and 661 transitions. [2021-02-23 12:49:56,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 12:49:56,314 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2021-02-23 12:49:56,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:56,333 INFO L225 Difference]: With dead ends: 521 [2021-02-23 12:49:56,333 INFO L226 Difference]: Without dead ends: 373 [2021-02-23 12:49:56,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-23 12:49:56,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-02-23 12:49:56,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 299. [2021-02-23 12:49:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-23 12:49:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2021-02-23 12:49:56,450 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2021-02-23 12:49:56,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:56,451 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2021-02-23 12:49:56,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 12:49:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2021-02-23 12:49:56,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 12:49:56,453 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:56,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 12:49:56,453 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 12:49:56,453 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:56,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:56,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1310687744, now seen corresponding path program 1 times [2021-02-23 12:49:56,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:56,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697035298] [2021-02-23 12:49:56,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,861 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:56,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-23 12:49:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-23 12:49:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-23 12:49:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:56,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 12:49:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:56,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:56,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:56,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697035298] [2021-02-23 12:49:56,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:56,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:49:56,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811985245] [2021-02-23 12:49:56,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:49:56,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:56,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:49:56,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:49:56,987 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 8 states. [2021-02-23 12:49:57,497 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:58,504 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:58,900 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:59,306 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:59,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:59,536 INFO L93 Difference]: Finished difference Result 609 states and 776 transitions. [2021-02-23 12:49:59,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 12:49:59,537 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-23 12:49:59,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:59,537 INFO L225 Difference]: With dead ends: 609 [2021-02-23 12:49:59,537 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 12:49:59,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-23 12:49:59,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 12:49:59,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 12:49:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 12:49:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 12:49:59,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-23 12:49:59,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:59,541 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 12:49:59,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:49:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 12:49:59,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 12:49:59,542 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 12:49:59,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 12:50:03,053 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:03,339 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:03,631 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:04,519 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 12 [2021-02-23 12:50:04,817 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:05,367 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-23 12:50:05,666 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:05,929 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:06,214 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-23 12:50:06,737 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 8 [2021-02-23 12:50:07,106 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:50:07,388 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-23 12:50:07,925 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-23 12:50:08,199 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-23 12:50:08,756 WARN L202 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-23 12:50:09,034 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-23 12:50:09,329 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-23 12:50:09,649 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-23 12:50:09,986 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-23 12:50:10,260 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-23 12:50:10,809 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-23 12:50:11,333 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-23 12:50:11,366 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point L347-1(lines 347 351) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point L342(line 342) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point L341-2(lines 341 362) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 316 371) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point L363(lines 340 364) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 316 371) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 316 371) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2021-02-23 12:50:11,367 INFO L189 CegarLoopUtils]: For program point L417-1(line 417) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 372 431) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point L404(lines 404 408) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point L404-1(lines 404 408) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point L399(line 399) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 372 431) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point L398-2(lines 398 423) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 372 431) no Hoare annotation was computed. [2021-02-23 12:50:11,368 INFO L189 CegarLoopUtils]: For program point L424(lines 397 425) no Hoare annotation was computed. [2021-02-23 12:50:11,369 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 732 738) the Hoare annotation is: true [2021-02-23 12:50:11,369 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 732 738) no Hoare annotation was computed. [2021-02-23 12:50:11,369 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 739 747) no Hoare annotation was computed. [2021-02-23 12:50:11,369 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 739 747) the Hoare annotation is: true [2021-02-23 12:50:11,369 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 739 747) no Hoare annotation was computed. [2021-02-23 12:50:11,369 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 847 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:11,370 INFO L185 CegarLoopUtils]: At program point L859(line 859) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-23 12:50:11,370 INFO L185 CegarLoopUtils]: At program point L859-1(line 859) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-23 12:50:11,370 INFO L189 CegarLoopUtils]: For program point L857(lines 857 864) no Hoare annotation was computed. [2021-02-23 12:50:11,370 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 847 869) no Hoare annotation was computed. [2021-02-23 12:50:11,370 INFO L189 CegarLoopUtils]: For program point L857-1(lines 857 864) no Hoare annotation was computed. [2021-02-23 12:50:11,370 INFO L189 CegarLoopUtils]: For program point L855(line 855) no Hoare annotation was computed. [2021-02-23 12:50:11,371 INFO L185 CegarLoopUtils]: At program point L854(line 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:11,371 INFO L185 CegarLoopUtils]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:11,371 INFO L185 CegarLoopUtils]: At program point L853-1(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:11,371 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 847 869) no Hoare annotation was computed. [2021-02-23 12:50:11,371 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2021-02-23 12:50:11,371 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L824(line 824) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L823(line 823) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L822(line 822) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L821(line 821) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L820(line 820) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L819(line 819) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L818(line 818) no Hoare annotation was computed. [2021-02-23 12:50:11,372 INFO L189 CegarLoopUtils]: For program point L817(line 817) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L189 CegarLoopUtils]: For program point L816(line 816) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L189 CegarLoopUtils]: For program point L815(line 815) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L189 CegarLoopUtils]: For program point L814(line 814) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L189 CegarLoopUtils]: For program point L813(line 813) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L189 CegarLoopUtils]: For program point L812(line 812) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L189 CegarLoopUtils]: For program point L811(line 811) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 240 254) no Hoare annotation was computed. [2021-02-23 12:50:11,373 INFO L185 CegarLoopUtils]: At program point L246(line 246) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-23 12:50:11,373 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 240 254) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-23 12:50:11,374 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 240 254) no Hoare annotation was computed. [2021-02-23 12:50:11,374 INFO L189 CegarLoopUtils]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-02-23 12:50:11,374 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 195 203) no Hoare annotation was computed. [2021-02-23 12:50:11,374 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 195 203) the Hoare annotation is: true [2021-02-23 12:50:11,374 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 195 203) no Hoare annotation was computed. [2021-02-23 12:50:11,374 INFO L189 CegarLoopUtils]: For program point L223(lines 223 231) no Hoare annotation was computed. [2021-02-23 12:50:11,374 INFO L189 CegarLoopUtils]: For program point L223-2(lines 223 231) no Hoare annotation was computed. [2021-02-23 12:50:11,374 INFO L189 CegarLoopUtils]: For program point L211(lines 211 219) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L189 CegarLoopUtils]: For program point L211-2(lines 211 219) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 204 239) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L189 CegarLoopUtils]: For program point L234(line 234) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L189 CegarLoopUtils]: For program point L234-1(line 234) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 204 239) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 204 239) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 725 731) no Hoare annotation was computed. [2021-02-23 12:50:11,375 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 725 731) the Hoare annotation is: true [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 270 315) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 270 315) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 270 315) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point L603(lines 603 610) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 583 628) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point L597(lines 597 617) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 583 628) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 583 628) no Hoare annotation was computed. [2021-02-23 12:50:11,376 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 837 846) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 837 846) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 837 846) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 184 194) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point L189(line 189) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point L189-1(line 189) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 184 194) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 184 194) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 176 183) the Hoare annotation is: true [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 176 183) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 176 183) no Hoare annotation was computed. [2021-02-23 12:50:11,377 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 161 167) no Hoare annotation was computed. [2021-02-23 12:50:11,378 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 161 167) the Hoare annotation is: true [2021-02-23 12:50:11,378 INFO L189 CegarLoopUtils]: For program point L97(lines 97 112) no Hoare annotation was computed. [2021-02-23 12:50:11,378 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 57 124) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:11,378 INFO L185 CegarLoopUtils]: At program point L89(line 89) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 12:50:11,378 INFO L189 CegarLoopUtils]: For program point L87(lines 87 93) no Hoare annotation was computed. [2021-02-23 12:50:11,378 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 57 124) no Hoare annotation was computed. [2021-02-23 12:50:11,378 INFO L189 CegarLoopUtils]: For program point L87-1(lines 87 93) no Hoare annotation was computed. [2021-02-23 12:50:11,378 INFO L185 CegarLoopUtils]: At program point L114(lines 67 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 12:50:11,379 INFO L185 CegarLoopUtils]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 12:50:11,379 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-02-23 12:50:11,379 INFO L189 CegarLoopUtils]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2021-02-23 12:50:11,379 INFO L189 CegarLoopUtils]: For program point L69(lines 69 73) no Hoare annotation was computed. [2021-02-23 12:50:11,379 INFO L185 CegarLoopUtils]: At program point L117(lines 66 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:11,379 INFO L185 CegarLoopUtils]: At program point L107(line 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 12:50:11,379 INFO L189 CegarLoopUtils]: For program point L105(lines 105 111) no Hoare annotation was computed. [2021-02-23 12:50:11,379 INFO L185 CegarLoopUtils]: At program point L105-1(lines 97 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 12:50:11,379 INFO L189 CegarLoopUtils]: For program point L68(lines 67 116) no Hoare annotation was computed. [2021-02-23 12:50:11,379 INFO L185 CegarLoopUtils]: At program point L99(line 99) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 57 124) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 537 582) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 537 582) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 537 582) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point L557(lines 557 564) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point L551(lines 551 571) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point L551-1(lines 551 571) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point L686(lines 686 694) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point L686-2(lines 686 694) no Hoare annotation was computed. [2021-02-23 12:50:11,380 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 678 700) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 678 700) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 678 700) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L483-2(lines 483 503) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 434 536) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L504(lines 482 505) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L463(lines 463 479) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L523(lines 523 530) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 434 536) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L484(lines 483 503) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L515-1(line 515) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L480(lines 480 521) no Hoare annotation was computed. [2021-02-23 12:50:11,381 INFO L189 CegarLoopUtils]: For program point L499(line 499) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point L499-1(line 499) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 434 536) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point L522(lines 522 533) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point L485(lines 485 489) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 715 724) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 715 724) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 715 724) no Hoare annotation was computed. [2021-02-23 12:50:11,382 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:50:11,383 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 12:50:11,383 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:50:11,383 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 168 175) no Hoare annotation was computed. [2021-02-23 12:50:11,383 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 168 175) no Hoare annotation was computed. [2021-02-23 12:50:11,383 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 168 175) no Hoare annotation was computed. [2021-02-23 12:50:11,383 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 701 709) no Hoare annotation was computed. [2021-02-23 12:50:11,383 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 701 709) no Hoare annotation was computed. [2021-02-23 12:50:11,383 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 701 709) no Hoare annotation was computed. [2021-02-23 12:50:11,384 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 657 668) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-23 12:50:11,384 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 657 668) no Hoare annotation was computed. [2021-02-23 12:50:11,384 INFO L189 CegarLoopUtils]: For program point L661-1(lines 657 668) no Hoare annotation was computed. [2021-02-23 12:50:11,384 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:50:11,384 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-23 12:50:11,384 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:50:11,384 INFO L185 CegarLoopUtils]: At program point L150(line 150) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2021-02-23 12:50:11,384 INFO L185 CegarLoopUtils]: At program point L148(lines 148 154) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-23 12:50:11,385 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 137 160) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-23 12:50:11,385 INFO L185 CegarLoopUtils]: At program point L143(line 143) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-23 12:50:11,385 INFO L189 CegarLoopUtils]: For program point L141(lines 140 159) no Hoare annotation was computed. [2021-02-23 12:50:11,385 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 137 160) no Hoare annotation was computed. [2021-02-23 12:50:11,385 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 137 160) no Hoare annotation was computed. [2021-02-23 12:50:11,385 INFO L192 CegarLoopUtils]: At program point L801(lines 776 805) the Hoare annotation is: true [2021-02-23 12:50:11,385 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2021-02-23 12:50:11,385 INFO L189 CegarLoopUtils]: For program point L797(line 797) no Hoare annotation was computed. [2021-02-23 12:50:11,385 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2021-02-23 12:50:11,386 INFO L189 CegarLoopUtils]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-02-23 12:50:11,386 INFO L192 CegarLoopUtils]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2021-02-23 12:50:11,386 INFO L189 CegarLoopUtils]: For program point L787(line 787) no Hoare annotation was computed. [2021-02-23 12:50:11,386 INFO L192 CegarLoopUtils]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2021-02-23 12:50:11,386 INFO L192 CegarLoopUtils]: At program point L782(line 782) the Hoare annotation is: true [2021-02-23 12:50:11,386 INFO L189 CegarLoopUtils]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-02-23 12:50:11,386 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 669 677) the Hoare annotation is: true [2021-02-23 12:50:11,386 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 669 677) no Hoare annotation was computed. [2021-02-23 12:50:11,386 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 669 677) no Hoare annotation was computed. [2021-02-23 12:50:11,387 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 633 644) the Hoare annotation is: true [2021-02-23 12:50:11,387 INFO L189 CegarLoopUtils]: For program point L637-1(lines 633 644) no Hoare annotation was computed. [2021-02-23 12:50:11,387 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 633 644) no Hoare annotation was computed. [2021-02-23 12:50:11,387 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2021-02-23 12:50:11,387 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2021-02-23 12:50:11,387 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:50:11,387 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-23 12:50:11,387 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 12:50:11,387 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:50:11,388 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 255 262) no Hoare annotation was computed. [2021-02-23 12:50:11,388 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 255 262) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2021-02-23 12:50:11,388 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 255 262) no Hoare annotation was computed. [2021-02-23 12:50:11,388 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 645 656) no Hoare annotation was computed. [2021-02-23 12:50:11,388 INFO L189 CegarLoopUtils]: For program point L649-1(lines 645 656) no Hoare annotation was computed. [2021-02-23 12:50:11,388 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 645 656) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-23 12:50:11,388 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2021-02-23 12:50:11,389 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-02-23 12:50:11,389 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2021-02-23 12:50:11,389 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2021-02-23 12:50:11,389 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 749 773) the Hoare annotation is: true [2021-02-23 12:50:11,389 INFO L185 CegarLoopUtils]: At program point L763(line 763) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-23 12:50:11,389 INFO L189 CegarLoopUtils]: For program point L761(lines 761 767) no Hoare annotation was computed. [2021-02-23 12:50:11,389 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 749 773) no Hoare annotation was computed. [2021-02-23 12:50:11,389 INFO L185 CegarLoopUtils]: At program point L759(line 759) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-23 12:50:11,390 INFO L189 CegarLoopUtils]: For program point L759-1(line 759) no Hoare annotation was computed. [2021-02-23 12:50:11,390 INFO L189 CegarLoopUtils]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-02-23 12:50:11,390 INFO L189 CegarLoopUtils]: For program point L757-1(lines 749 773) no Hoare annotation was computed. [2021-02-23 12:50:11,390 INFO L192 CegarLoopUtils]: At program point L755(line 755) the Hoare annotation is: true [2021-02-23 12:50:11,390 INFO L189 CegarLoopUtils]: For program point L755-1(line 755) no Hoare annotation was computed. [2021-02-23 12:50:11,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 12:50:11 BoogieIcfgContainer [2021-02-23 12:50:11,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 12:50:11,417 INFO L168 Benchmark]: Toolchain (without parser) took 30240.75 ms. Allocated memory was 170.9 MB in the beginning and 360.7 MB in the end (delta: 189.8 MB). Free memory was 145.8 MB in the beginning and 196.5 MB in the end (delta: -50.7 MB). Peak memory consumption was 214.0 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:11,418 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 170.9 MB. Free memory is still 145.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 12:50:11,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.43 ms. Allocated memory is still 170.9 MB. Free memory was 144.6 MB in the beginning and 125.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:11,420 INFO L168 Benchmark]: Boogie Preprocessor took 151.03 ms. Allocated memory is still 170.9 MB. Free memory was 125.1 MB in the beginning and 152.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:11,421 INFO L168 Benchmark]: RCFGBuilder took 1222.83 ms. Allocated memory is still 170.9 MB. Free memory was 152.3 MB in the beginning and 69.3 MB in the end (delta: 83.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:11,421 INFO L168 Benchmark]: TraceAbstraction took 28356.29 ms. Allocated memory was 170.9 MB in the beginning and 360.7 MB in the end (delta: 189.8 MB). Free memory was 68.8 MB in the beginning and 196.5 MB in the end (delta: -127.7 MB). Peak memory consumption was 137.1 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:11,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 170.9 MB. Free memory is still 145.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 487.43 ms. Allocated memory is still 170.9 MB. Free memory was 144.6 MB in the beginning and 125.1 MB in the end (delta: 19.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 151.03 ms. Allocated memory is still 170.9 MB. Free memory was 125.1 MB in the beginning and 152.3 MB in the end (delta: -27.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1222.83 ms. Allocated memory is still 170.9 MB. Free memory was 152.3 MB in the beginning and 69.3 MB in the end (delta: 83.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28356.29 ms. Allocated memory was 170.9 MB in the beginning and 360.7 MB in the end (delta: 189.8 MB). Free memory was 68.8 MB in the beginning and 196.5 MB in the end (delta: -127.7 MB). Peak memory consumption was 137.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 404 SDtfs, 595 SDslu, 364 SDs, 0 SdLazy, 1481 SolverSat, 391 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 338 PreInvPairs, 411 NumberOfFragments, 663 HoareAnnotationTreeSize, 338 FomulaSimplifications, 60986 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 16062 FormulaSimplificationTreeSizeReductionInter, 8.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 75802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...