/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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,875 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 16:56:36,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,907 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,326 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,327 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,328 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2021-02-19 16:56:37,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908d8f002/a1db97ceecca4c9abf57e75780695df6/FLAG96c73c1b5 [2021-02-19 16:56:38,120 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:38,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product12.cil.c [2021-02-19 16:56:38,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908d8f002/a1db97ceecca4c9abf57e75780695df6/FLAG96c73c1b5 [2021-02-19 16:56:38,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/908d8f002/a1db97ceecca4c9abf57e75780695df6 [2021-02-19 16:56:38,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,382 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd272b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38, skipping insertion in model container [2021-02-19 16:56:38,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,404 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,797 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_product12.cil.c[4218,4231] [2021-02-19 16:56:38,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,983 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:39,012 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_product12.cil.c[4218,4231] [2021-02-19 16:56:39,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:39,105 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:39,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39 WrapperNode [2021-02-19 16:56:39,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:39,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:39,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:39,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-19 16:56:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:56:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 16:56:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,372 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 16:56:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:56:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-19 16:56:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,378 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,379 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,383 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,574 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678b7063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (2/3) ... [2021-02-19 16:56:40,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678b7063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40" (3/3) ... [2021-02-19 16:56:40,586 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product12.cil.c [2021-02-19 16:56:40,593 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,599 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,619 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,682 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,683 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,683 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,684 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,684 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,684 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,685 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,685 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2021-02-19 16:56:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,727 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,728 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] [2021-02-19 16:56:40,729 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,737 INFO L82 PathProgramCache]: Analyzing trace with hash -557931276, now seen corresponding path program 1 times [2021-02-19 16:56:40,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492602888] [2021-02-19 16:56:40,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,462 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:41,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492602888] [2021-02-19 16:56:41,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92427077] [2021-02-19 16:56:41,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,627 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2021-02-19 16:56:42,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:42,730 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2021-02-19 16:56:42,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:42,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:42,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:42,747 INFO L225 Difference]: With dead ends: 228 [2021-02-19 16:56:42,747 INFO L226 Difference]: Without dead ends: 125 [2021-02-19 16:56:42,752 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 [2021-02-19 16:56:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-02-19 16:56:42,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2021-02-19 16:56:42,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-19 16:56:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2021-02-19 16:56:42,840 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2021-02-19 16:56:42,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:42,841 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2021-02-19 16:56:42,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2021-02-19 16:56:42,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:42,845 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:42,845 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] [2021-02-19 16:56:42,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:42,845 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:42,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:42,846 INFO L82 PathProgramCache]: Analyzing trace with hash -520186262, now seen corresponding path program 1 times [2021-02-19 16:56:42,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:42,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528114182] [2021-02-19 16:56:42,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:42,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,292 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:43,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:43,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528114182] [2021-02-19 16:56:43,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:43,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:43,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652849724] [2021-02-19 16:56:43,360 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:43,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:43,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:43,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:43,361 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2021-02-19 16:56:43,893 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:44,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:44,545 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2021-02-19 16:56:44,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:44,547 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:44,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:44,553 INFO L225 Difference]: With dead ends: 148 [2021-02-19 16:56:44,553 INFO L226 Difference]: Without dead ends: 109 [2021-02-19 16:56:44,554 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 [2021-02-19 16:56:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-19 16:56:44,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2021-02-19 16:56:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-02-19 16:56:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2021-02-19 16:56:44,615 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2021-02-19 16:56:44,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:44,615 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2021-02-19 16:56:44,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2021-02-19 16:56:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:56:44,626 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:44,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:44,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:44,627 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:44,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:44,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1548215722, now seen corresponding path program 1 times [2021-02-19 16:56:44,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:44,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307863557] [2021-02-19 16:56:44,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,808 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,184 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:45,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:56:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:45,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307863557] [2021-02-19 16:56:45,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:45,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:45,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101119139] [2021-02-19 16:56:45,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:45,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:45,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:45,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:45,294 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2021-02-19 16:56:45,794 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:46,253 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,651 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,020 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,955 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:49,215 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2021-02-19 16:56:49,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:49,216 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-19 16:56:49,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:49,220 INFO L225 Difference]: With dead ends: 302 [2021-02-19 16:56:49,220 INFO L226 Difference]: Without dead ends: 241 [2021-02-19 16:56:49,221 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 [2021-02-19 16:56:49,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-02-19 16:56:49,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2021-02-19 16:56:49,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-02-19 16:56:49,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2021-02-19 16:56:49,293 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2021-02-19 16:56:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:49,293 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2021-02-19 16:56:49,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2021-02-19 16:56:49,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-19 16:56:49,295 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:49,295 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] [2021-02-19 16:56:49,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:49,295 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:49,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:49,296 INFO L82 PathProgramCache]: Analyzing trace with hash -970452838, now seen corresponding path program 1 times [2021-02-19 16:56:49,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:49,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113122247] [2021-02-19 16:56:49,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,693 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 16:56:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 16:56:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:56:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:49,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113122247] [2021-02-19 16:56:49,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:49,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 16:56:49,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469128751] [2021-02-19 16:56:49,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 16:56:49,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:49,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 16:56:49,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:56:49,776 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 7 states. [2021-02-19 16:56:50,262 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:51,438 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,874 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,265 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,623 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:53,040 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:53,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:53,478 INFO L93 Difference]: Finished difference Result 521 states and 661 transitions. [2021-02-19 16:56:53,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:53,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2021-02-19 16:56:53,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:53,483 INFO L225 Difference]: With dead ends: 521 [2021-02-19 16:56:53,483 INFO L226 Difference]: Without dead ends: 373 [2021-02-19 16:56:53,485 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 [2021-02-19 16:56:53,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-02-19 16:56:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 299. [2021-02-19 16:56:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-19 16:56:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2021-02-19 16:56:53,586 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2021-02-19 16:56:53,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:53,587 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2021-02-19 16:56:53,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 16:56:53,587 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2021-02-19 16:56:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 16:56:53,589 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:53,589 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] [2021-02-19 16:56:53,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:53,589 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:53,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:53,590 INFO L82 PathProgramCache]: Analyzing trace with hash -510578978, now seen corresponding path program 1 times [2021-02-19 16:56:53,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:53,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193604284] [2021-02-19 16:56:53,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,968 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:53,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:56:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,037 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 16:56:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:56:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:54,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193604284] [2021-02-19 16:56:54,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:54,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:54,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134850663] [2021-02-19 16:56:54,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:54,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:54,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:54,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:54,072 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 8 states. [2021-02-19 16:56:54,620 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:55,642 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,046 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,409 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:56,625 INFO L93 Difference]: Finished difference Result 609 states and 776 transitions. [2021-02-19 16:56:56,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:56:56,625 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-19 16:56:56,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:56,626 INFO L225 Difference]: With dead ends: 609 [2021-02-19 16:56:56,626 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:56,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:56,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:56,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:56,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:56,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-19 16:56:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:56,639 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:56,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:56,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:56,639 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:56,641 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:56,757 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 6 [2021-02-19 16:57:00,665 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 12 [2021-02-19 16:57:00,961 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,254 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,552 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:02,103 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:02,409 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:02,693 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:02,980 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:03,500 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 8 [2021-02-19 16:57:03,829 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:04,113 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:04,401 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:04,920 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:05,187 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:57:05,439 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:05,973 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:06,237 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:57:06,532 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:06,983 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:07,274 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:07,764 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 16:57:08,045 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:08,079 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:08,079 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:08,079 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:08,079 INFO L189 CegarLoopUtils]: For program point L510(lines 510 514) no Hoare annotation was computed. [2021-02-19 16:57:08,079 INFO L189 CegarLoopUtils]: For program point L510-1(lines 510 514) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point L505(line 505) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point L504-2(lines 504 525) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 479 534) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point L526(lines 503 527) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 479 534) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 479 534) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point L567(lines 567 571) no Hoare annotation was computed. [2021-02-19 16:57:08,080 INFO L189 CegarLoopUtils]: For program point L567-1(lines 567 571) no Hoare annotation was computed. [2021-02-19 16:57:08,081 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 535 594) no Hoare annotation was computed. [2021-02-19 16:57:08,081 INFO L189 CegarLoopUtils]: For program point L562(line 562) no Hoare annotation was computed. [2021-02-19 16:57:08,081 INFO L189 CegarLoopUtils]: For program point L561-2(lines 561 586) no Hoare annotation was computed. [2021-02-19 16:57:08,081 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 535 594) no Hoare annotation was computed. [2021-02-19 16:57:08,081 INFO L189 CegarLoopUtils]: For program point L587(lines 560 588) no Hoare annotation was computed. [2021-02-19 16:57:08,082 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 535 594) no Hoare annotation was computed. [2021-02-19 16:57:08,082 INFO L189 CegarLoopUtils]: For program point L580(line 580) no Hoare annotation was computed. [2021-02-19 16:57:08,082 INFO L189 CegarLoopUtils]: For program point L580-1(line 580) no Hoare annotation was computed. [2021-02-19 16:57:08,082 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 384 390) the Hoare annotation is: true [2021-02-19 16:57:08,082 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 384 390) no Hoare annotation was computed. [2021-02-19 16:57:08,082 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 391 399) no Hoare annotation was computed. [2021-02-19 16:57:08,082 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 391 399) the Hoare annotation is: true [2021-02-19 16:57:08,082 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 391 399) no Hoare annotation was computed. [2021-02-19 16:57:08,082 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 865 887) 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))) [2021-02-19 16:57:08,083 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2021-02-19 16:57:08,083 INFO L185 CegarLoopUtils]: At program point L877(line 877) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:08,083 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 865 887) no Hoare annotation was computed. [2021-02-19 16:57:08,083 INFO L185 CegarLoopUtils]: At program point L877-1(line 877) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:08,083 INFO L189 CegarLoopUtils]: For program point L875(lines 875 882) no Hoare annotation was computed. [2021-02-19 16:57:08,083 INFO L189 CegarLoopUtils]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2021-02-19 16:57:08,083 INFO L189 CegarLoopUtils]: For program point L873(line 873) no Hoare annotation was computed. [2021-02-19 16:57:08,084 INFO L185 CegarLoopUtils]: At program point L872(line 872) 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))) [2021-02-19 16:57:08,084 INFO L185 CegarLoopUtils]: At program point L871(line 871) 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))) [2021-02-19 16:57:08,084 INFO L185 CegarLoopUtils]: At program point L871-1(line 871) 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))) [2021-02-19 16:57:08,084 INFO L189 CegarLoopUtils]: For program point L833(line 833) no Hoare annotation was computed. [2021-02-19 16:57:08,084 INFO L189 CegarLoopUtils]: For program point L832(line 832) no Hoare annotation was computed. [2021-02-19 16:57:08,084 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 824 847) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point L831(line 831) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point L830(line 830) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point L829(line 829) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 824 847) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 824 847) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point L842(line 842) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point L841(line 841) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point L840(line 840) no Hoare annotation was computed. [2021-02-19 16:57:08,085 INFO L189 CegarLoopUtils]: For program point L839(line 839) no Hoare annotation was computed. [2021-02-19 16:57:08,086 INFO L189 CegarLoopUtils]: For program point L838(line 838) no Hoare annotation was computed. [2021-02-19 16:57:08,086 INFO L189 CegarLoopUtils]: For program point L837(line 837) no Hoare annotation was computed. [2021-02-19 16:57:08,086 INFO L189 CegarLoopUtils]: For program point L836(line 836) no Hoare annotation was computed. [2021-02-19 16:57:08,086 INFO L189 CegarLoopUtils]: For program point L835(line 835) no Hoare annotation was computed. [2021-02-19 16:57:08,086 INFO L189 CegarLoopUtils]: For program point L834(line 834) no Hoare annotation was computed. [2021-02-19 16:57:08,086 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 249 263) no Hoare annotation was computed. [2021-02-19 16:57:08,086 INFO L185 CegarLoopUtils]: At program point L255(line 255) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:08,087 INFO L189 CegarLoopUtils]: For program point L253(lines 253 259) no Hoare annotation was computed. [2021-02-19 16:57:08,087 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 249 263) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:08,087 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 249 263) no Hoare annotation was computed. [2021-02-19 16:57:08,087 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 159 166) no Hoare annotation was computed. [2021-02-19 16:57:08,087 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 159 166) no Hoare annotation was computed. [2021-02-19 16:57:08,087 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 159 166) no Hoare annotation was computed. [2021-02-19 16:57:08,087 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 204 212) no Hoare annotation was computed. [2021-02-19 16:57:08,087 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 204 212) the Hoare annotation is: true [2021-02-19 16:57:08,087 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 204 212) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point L220(lines 220 228) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point L243(line 243) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point L243-1(line 243) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 213 248) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 213 248) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2021-02-19 16:57:08,088 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 213 248) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 377 383) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 377 383) the Hoare annotation is: true [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 433 478) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 433 478) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 433 478) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point L766(lines 766 773) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 746 791) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point L760(lines 760 780) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point L760-1(lines 760 780) no Hoare annotation was computed. [2021-02-19 16:57:08,089 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 746 791) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 746 791) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 855 864) 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))) [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 855 864) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 855 864) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 193 203) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 193 203) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 193 203) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point L198(line 198) no Hoare annotation was computed. [2021-02-19 16:57:08,090 INFO L189 CegarLoopUtils]: For program point L198-1(line 198) no Hoare annotation was computed. [2021-02-19 16:57:08,091 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 185 192) the Hoare annotation is: true [2021-02-19 16:57:08,091 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 185 192) no Hoare annotation was computed. [2021-02-19 16:57:08,091 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 185 192) no Hoare annotation was computed. [2021-02-19 16:57:08,091 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 152 158) no Hoare annotation was computed. [2021-02-19 16:57:08,091 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 152 158) the Hoare annotation is: true [2021-02-19 16:57:08,091 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 48 115) 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))) [2021-02-19 16:57:08,091 INFO L189 CegarLoopUtils]: For program point L60(lines 60 64) no Hoare annotation was computed. [2021-02-19 16:57:08,091 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 48 115) no Hoare annotation was computed. [2021-02-19 16:57:08,092 INFO L185 CegarLoopUtils]: At program point L108(lines 57 109) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,092 INFO L185 CegarLoopUtils]: At program point L98(line 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,092 INFO L189 CegarLoopUtils]: For program point L96(lines 96 102) no Hoare annotation was computed. [2021-02-19 16:57:08,092 INFO L185 CegarLoopUtils]: At program point L96-1(lines 88 103) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,092 INFO L189 CegarLoopUtils]: For program point L59(lines 58 107) no Hoare annotation was computed. [2021-02-19 16:57:08,092 INFO L185 CegarLoopUtils]: At program point L90(line 90) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,092 INFO L189 CegarLoopUtils]: For program point L88(lines 88 103) no Hoare annotation was computed. [2021-02-19 16:57:08,092 INFO L185 CegarLoopUtils]: At program point L80(line 80) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,093 INFO L189 CegarLoopUtils]: For program point L78(lines 78 84) no Hoare annotation was computed. [2021-02-19 16:57:08,093 INFO L189 CegarLoopUtils]: For program point L78-1(lines 78 84) no Hoare annotation was computed. [2021-02-19 16:57:08,093 INFO L185 CegarLoopUtils]: At program point L105(lines 58 107) 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))) [2021-02-19 16:57:08,093 INFO L185 CegarLoopUtils]: At program point L70(line 70) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,093 INFO L189 CegarLoopUtils]: For program point L68(lines 68 74) no Hoare annotation was computed. [2021-02-19 16:57:08,093 INFO L189 CegarLoopUtils]: For program point L68-1(lines 68 74) no Hoare annotation was computed. [2021-02-19 16:57:08,093 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 48 115) no Hoare annotation was computed. [2021-02-19 16:57:08,093 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 700 745) no Hoare annotation was computed. [2021-02-19 16:57:08,093 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 700 745) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 700 745) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point L720(lines 720 727) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point L714(lines 714 734) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point L714-1(lines 714 734) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 330 352) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point L338(lines 338 346) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 367 376) no Hoare annotation was computed. [2021-02-19 16:57:08,094 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 367 376) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 367 376) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 597 699) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point L667(lines 645 668) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point L626(lines 626 642) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point L686(lines 686 693) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point L647(lines 646 666) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point L678(line 678) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 597 699) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point L678-1(line 678) no Hoare annotation was computed. [2021-02-19 16:57:08,095 INFO L189 CegarLoopUtils]: For program point L643(lines 643 684) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point L662(line 662) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point L662-1(line 662) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 597 699) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point L621(lines 621 625) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point L685(lines 685 696) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point L648(lines 648 652) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point L646-2(lines 646 666) no Hoare annotation was computed. [2021-02-19 16:57:08,096 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,097 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:08,097 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,097 INFO L189 CegarLoopUtils]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-02-19 16:57:08,097 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-02-19 16:57:08,097 INFO L189 CegarLoopUtils]: For program point L173-1(line 173) no Hoare annotation was computed. [2021-02-19 16:57:08,097 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 168 184) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 168 184) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point L179-1(lines 168 184) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 353 361) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,098 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,099 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,099 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,099 INFO L185 CegarLoopUtils]: At program point L141(line 141) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2021-02-19 16:57:08,099 INFO L185 CegarLoopUtils]: At program point L139(lines 139 145) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,099 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2021-02-19 16:57:08,099 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2021-02-19 16:57:08,099 INFO L185 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:08,099 INFO L189 CegarLoopUtils]: For program point L132(lines 131 150) no Hoare annotation was computed. [2021-02-19 16:57:08,099 INFO L192 CegarLoopUtils]: At program point L800(line 800) the Hoare annotation is: true [2021-02-19 16:57:08,100 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2021-02-19 16:57:08,100 INFO L189 CegarLoopUtils]: For program point L800-1(line 800) no Hoare annotation was computed. [2021-02-19 16:57:08,100 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2021-02-19 16:57:08,100 INFO L192 CegarLoopUtils]: At program point L819(lines 794 823) the Hoare annotation is: true [2021-02-19 16:57:08,100 INFO L189 CegarLoopUtils]: For program point L815(line 815) no Hoare annotation was computed. [2021-02-19 16:57:08,100 INFO L189 CegarLoopUtils]: For program point L808(lines 808 812) no Hoare annotation was computed. [2021-02-19 16:57:08,100 INFO L192 CegarLoopUtils]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2021-02-19 16:57:08,100 INFO L189 CegarLoopUtils]: For program point L805(line 805) no Hoare annotation was computed. [2021-02-19 16:57:08,100 INFO L192 CegarLoopUtils]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2021-02-19 16:57:08,101 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 321 329) the Hoare annotation is: true [2021-02-19 16:57:08,101 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 321 329) no Hoare annotation was computed. [2021-02-19 16:57:08,101 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2021-02-19 16:57:08,101 INFO L189 CegarLoopUtils]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2021-02-19 16:57:08,101 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2021-02-19 16:57:08,101 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2021-02-19 16:57:08,101 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2021-02-19 16:57:08,101 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2021-02-19 16:57:08,101 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,102 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:08,102 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:08,102 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,102 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 264 271) no Hoare annotation was computed. [2021-02-19 16:57:08,102 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 264 271) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,102 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 264 271) no Hoare annotation was computed. [2021-02-19 16:57:08,102 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2021-02-19 16:57:08,102 INFO L189 CegarLoopUtils]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2021-02-19 16:57:08,102 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,103 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 273 280) no Hoare annotation was computed. [2021-02-19 16:57:08,103 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 277) no Hoare annotation was computed. [2021-02-19 16:57:08,103 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 273 280) the Hoare annotation is: true [2021-02-19 16:57:08,103 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 273 280) no Hoare annotation was computed. [2021-02-19 16:57:08,103 INFO L185 CegarLoopUtils]: At program point L415(line 415) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:08,103 INFO L189 CegarLoopUtils]: For program point L413(lines 413 419) no Hoare annotation was computed. [2021-02-19 16:57:08,103 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 401 425) the Hoare annotation is: true [2021-02-19 16:57:08,103 INFO L185 CegarLoopUtils]: At program point L411(line 411) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:08,104 INFO L189 CegarLoopUtils]: For program point L411-1(line 411) no Hoare annotation was computed. [2021-02-19 16:57:08,104 INFO L189 CegarLoopUtils]: For program point L409(lines 409 422) no Hoare annotation was computed. [2021-02-19 16:57:08,104 INFO L189 CegarLoopUtils]: For program point L409-1(lines 401 425) no Hoare annotation was computed. [2021-02-19 16:57:08,104 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 401 425) no Hoare annotation was computed. [2021-02-19 16:57:08,104 INFO L192 CegarLoopUtils]: At program point L407(line 407) the Hoare annotation is: true [2021-02-19 16:57:08,104 INFO L189 CegarLoopUtils]: For program point L407-1(line 407) no Hoare annotation was computed. [2021-02-19 16:57:08,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:08 BoogieIcfgContainer [2021-02-19 16:57:08,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:08,123 INFO L168 Benchmark]: Toolchain (without parser) took 29753.23 ms. Allocated memory was 155.2 MB in the beginning and 412.1 MB in the end (delta: 256.9 MB). Free memory was 128.9 MB in the beginning and 262.2 MB in the end (delta: -133.4 MB). Peak memory consumption was 242.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,124 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 155.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:08,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.96 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 108.0 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,125 INFO L168 Benchmark]: Boogie Preprocessor took 127.91 ms. Allocated memory is still 155.2 MB. Free memory was 108.0 MB in the beginning and 137.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,125 INFO L168 Benchmark]: RCFGBuilder took 1340.87 ms. Allocated memory is still 155.2 MB. Free memory was 137.0 MB in the beginning and 53.8 MB in the end (delta: 83.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,126 INFO L168 Benchmark]: TraceAbstraction took 27542.55 ms. Allocated memory was 155.2 MB in the beginning and 412.1 MB in the end (delta: 256.9 MB). Free memory was 53.3 MB in the beginning and 262.2 MB in the end (delta: -208.9 MB). Peak memory consumption was 166.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,128 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 155.2 MB. Free memory is still 127.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 720.96 ms. Allocated memory is still 155.2 MB. Free memory was 127.8 MB in the beginning and 108.0 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 127.91 ms. Allocated memory is still 155.2 MB. Free memory was 108.0 MB in the beginning and 137.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1340.87 ms. Allocated memory is still 155.2 MB. Free memory was 137.0 MB in the beginning and 53.8 MB in the end (delta: 83.1 MB). Peak memory consumption was 82.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27542.55 ms. Allocated memory was 155.2 MB in the beginning and 412.1 MB in the end (delta: 256.9 MB). Free memory was 53.3 MB in the beginning and 262.2 MB in the end (delta: -208.9 MB). Peak memory consumption was 166.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 277]: 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: 57]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: 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 38 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 412 SDtfs, 549 SDslu, 408 SDs, 0 SdLazy, 1543 SolverSat, 339 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, 7.3s 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, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s 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...