/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:10:26,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:10:26,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:10:26,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:10:26,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:10:26,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:10:26,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:10:26,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:10:26,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:10:26,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:10:26,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:10:26,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:10:26,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:10:26,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:10:26,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:10:26,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:10:26,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:10:26,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:10:26,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:10:26,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:10:26,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:10:26,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:10:26,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:10:26,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:10:26,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:10:26,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:10:26,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:10:26,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:10:26,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:10:26,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:10:26,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:10:26,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:10:26,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:10:26,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:10:26,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:10:26,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:10:26,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:10:26,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:10:26,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:10:26,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:10:26,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:10:26,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:10:26,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:10:26,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:10:26,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:10:26,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:10:26,543 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:10:26,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:10:26,544 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:10:26,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:10:26,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:10:26,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:10:26,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:10:26,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:10:26,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:10:26,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:10:26,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:10:26,548 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:10:26,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:10:26,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:10:26,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:10:26,549 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:10:26,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:10:26,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:10:26,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:10:26,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:10:26,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:10:26,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:10:26,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:10:26,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:10:26,552 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:10:26,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:10:27,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:10:27,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:10:27,030 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:10:27,031 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:10:27,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2021-02-19 17:10:27,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014a22ecd/84dbc3e1da7d4d9e9576c45271764fcc/FLAG342ec759f [2021-02-19 17:10:27,867 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:10:27,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2021-02-19 17:10:27,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014a22ecd/84dbc3e1da7d4d9e9576c45271764fcc/FLAG342ec759f [2021-02-19 17:10:28,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/014a22ecd/84dbc3e1da7d4d9e9576c45271764fcc [2021-02-19 17:10:28,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:10:28,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:10:28,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:10:28,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:10:28,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:10:28,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552f9020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28, skipping insertion in model container [2021-02-19 17:10:28,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:10:28,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:10:28,643 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c[12348,12361] [2021-02-19 17:10:28,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:10:28,692 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:10:28,750 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c[12348,12361] [2021-02-19 17:10:28,772 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:10:28,824 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:10:28,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28 WrapperNode [2021-02-19 17:10:28,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:10:28,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:10:28,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:10:28,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:10:28,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... [2021-02-19 17:10:28,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:10:28,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:10:28,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:10:28,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:10:28,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:10:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:10:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:10:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:10:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:10:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:10:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:10:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:10:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:10:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:10:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:10:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:10:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:10:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:10:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:10:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:10:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:10:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:10:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:10:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:10:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:10:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:10:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:10:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:10:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:10:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:10:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:10:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:10:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:10:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:10:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 17:10:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:10:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:10:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:10:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:10:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:10:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:10:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:10:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:10:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 17:10:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:10:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:10:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:10:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:10:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:10:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:10:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:10:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:10:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:10:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:10:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:10:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:10:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:10:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:10:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:10:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:10:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:10:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:10:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:10:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:10:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:10:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:10:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:10:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:10:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:10:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:10:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:10:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:10:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:10:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:10:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:10:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:10:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:10:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:10:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:10:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:10:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:10:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:10:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:10:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 17:10:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:10:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:10:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:10:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:10:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 17:10:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:10:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:10:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:10:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:10:30,294 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:10:30,295 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:10:30,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:10:30 BoogieIcfgContainer [2021-02-19 17:10:30,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:10:30,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:10:30,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:10:30,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:10:30,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:10:28" (1/3) ... [2021-02-19 17:10:30,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566ef693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:10:30, skipping insertion in model container [2021-02-19 17:10:30,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:28" (2/3) ... [2021-02-19 17:10:30,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@566ef693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:10:30, skipping insertion in model container [2021-02-19 17:10:30,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:10:30" (3/3) ... [2021-02-19 17:10:30,311 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2021-02-19 17:10:30,322 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:10:30,328 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:10:30,348 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:10:30,387 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:10:30,388 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:10:30,389 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:10:30,389 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:10:30,389 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:10:30,390 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:10:30,391 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:10:30,391 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:10:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2021-02-19 17:10:30,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:10:30,433 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:30,436 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:30,436 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:30,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:30,446 INFO L82 PathProgramCache]: Analyzing trace with hash 552026746, now seen corresponding path program 1 times [2021-02-19 17:10:30,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:30,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977922750] [2021-02-19 17:10:30,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:30,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:30,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:30,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:30,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,186 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:10:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:10:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:10:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:31,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:31,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:31,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:31,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977922750] [2021-02-19 17:10:31,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:31,333 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:10:31,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28687949] [2021-02-19 17:10:31,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:10:31,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:31,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:10:31,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:10:31,361 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 4 states. [2021-02-19 17:10:32,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:32,504 INFO L93 Difference]: Finished difference Result 253 states and 328 transitions. [2021-02-19 17:10:32,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:10:32,506 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-19 17:10:32,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:32,519 INFO L225 Difference]: With dead ends: 253 [2021-02-19 17:10:32,519 INFO L226 Difference]: Without dead ends: 140 [2021-02-19 17:10:32,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:10:32,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-19 17:10:32,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2021-02-19 17:10:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-02-19 17:10:32,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2021-02-19 17:10:32,611 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 59 [2021-02-19 17:10:32,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:32,612 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2021-02-19 17:10:32,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:10:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2021-02-19 17:10:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-19 17:10:32,616 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:32,616 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:32,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:10:32,616 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:32,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:32,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1883203038, now seen corresponding path program 1 times [2021-02-19 17:10:32,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:32,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775384765] [2021-02-19 17:10:32,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:32,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:32,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:32,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:32,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:32,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:32,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:32,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:32,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:10:32,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:32,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,086 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:33,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:10:33,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:10:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:33,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 17:10:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 17:10:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:33,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:33,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:33,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775384765] [2021-02-19 17:10:33,283 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:33,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:10:33,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332058168] [2021-02-19 17:10:33,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:10:33,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:33,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:10:33,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:10:33,297 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 9 states. [2021-02-19 17:10:33,860 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:10:34,339 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:34,691 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:35,069 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:36,327 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2021-02-19 17:10:36,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:10:36,328 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-19 17:10:36,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:36,331 INFO L225 Difference]: With dead ends: 226 [2021-02-19 17:10:36,331 INFO L226 Difference]: Without dead ends: 140 [2021-02-19 17:10:36,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-19 17:10:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2021-02-19 17:10:36,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2021-02-19 17:10:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2021-02-19 17:10:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2021-02-19 17:10:36,379 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 64 [2021-02-19 17:10:36,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:36,380 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2021-02-19 17:10:36,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:10:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2021-02-19 17:10:36,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-02-19 17:10:36,383 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:36,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:36,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:10:36,383 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:36,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:36,384 INFO L82 PathProgramCache]: Analyzing trace with hash 143296474, now seen corresponding path program 1 times [2021-02-19 17:10:36,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:36,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478525965] [2021-02-19 17:10:36,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:36,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,763 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:36,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:10:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:10:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:10:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 17:10:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-19 17:10:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:36,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:36,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:36,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478525965] [2021-02-19 17:10:36,847 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:36,847 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-19 17:10:36,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699056530] [2021-02-19 17:10:36,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-19 17:10:36,848 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:36,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-19 17:10:36,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-02-19 17:10:36,849 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 6 states. [2021-02-19 17:10:37,511 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:10:38,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:38,237 INFO L93 Difference]: Finished difference Result 213 states and 266 transitions. [2021-02-19 17:10:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 17:10:38,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2021-02-19 17:10:38,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:38,240 INFO L225 Difference]: With dead ends: 213 [2021-02-19 17:10:38,240 INFO L226 Difference]: Without dead ends: 145 [2021-02-19 17:10:38,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:10:38,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-02-19 17:10:38,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 105. [2021-02-19 17:10:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-02-19 17:10:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2021-02-19 17:10:38,280 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 68 [2021-02-19 17:10:38,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:38,280 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2021-02-19 17:10:38,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-19 17:10:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2021-02-19 17:10:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-02-19 17:10:38,282 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:38,283 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:38,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:10:38,283 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:38,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:38,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1541039703, now seen corresponding path program 1 times [2021-02-19 17:10:38,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:38,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473029349] [2021-02-19 17:10:38,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,680 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:10:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 17:10:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:10:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-02-19 17:10:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:38,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-02-19 17:10:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:38,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:38,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:38,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 17:10:38,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473029349] [2021-02-19 17:10:38,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:38,817 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:10:38,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897546437] [2021-02-19 17:10:38,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:10:38,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:38,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:10:38,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:10:38,819 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 9 states. [2021-02-19 17:10:39,390 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:10:40,150 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:40,880 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:41,241 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:41,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:41,330 INFO L93 Difference]: Finished difference Result 179 states and 223 transitions. [2021-02-19 17:10:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 17:10:41,331 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 72 [2021-02-19 17:10:41,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:41,332 INFO L225 Difference]: With dead ends: 179 [2021-02-19 17:10:41,332 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:10:41,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-19 17:10:41,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:10:41,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:10:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:10:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:10:41,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2021-02-19 17:10:41,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:41,339 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:10:41,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:10:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:10:41,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:10:41,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:10:41,342 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:10:42,679 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 17:10:42,916 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-19 17:10:43,149 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-19 17:10:43,455 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:43,684 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2021-02-19 17:10:43,954 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:10:44,224 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 17:10:44,491 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2021-02-19 17:10:44,782 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:10:45,059 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:10:45,347 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-19 17:10:45,592 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:10:45,879 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-19 17:10:46,143 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-19 17:10:46,382 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2021-02-19 17:10:46,631 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 17:10:46,715 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:10:46,715 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point L225-2(lines 225 246) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point L247(lines 224 248) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 200 255) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point L231(lines 231 235) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 200 255) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 200 255) no Hoare annotation was computed. [2021-02-19 17:10:46,716 INFO L189 CegarLoopUtils]: For program point L226(line 226) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point L288(lines 288 292) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point L288-1(lines 288 292) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point L283(line 283) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point L282-2(lines 282 307) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 256 315) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point L308(lines 281 309) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 256 315) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point L301(line 301) no Hoare annotation was computed. [2021-02-19 17:10:46,717 INFO L189 CegarLoopUtils]: For program point L301-1(line 301) no Hoare annotation was computed. [2021-02-19 17:10:46,718 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 256 315) no Hoare annotation was computed. [2021-02-19 17:10:46,718 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 541 547) the Hoare annotation is: true [2021-02-19 17:10:46,718 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 541 547) no Hoare annotation was computed. [2021-02-19 17:10:46,718 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 548 556) no Hoare annotation was computed. [2021-02-19 17:10:46,718 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 548 556) the Hoare annotation is: true [2021-02-19 17:10:46,718 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 548 556) no Hoare annotation was computed. [2021-02-19 17:10:46,718 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 561 568) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:10:46,719 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 561 568) no Hoare annotation was computed. [2021-02-19 17:10:46,719 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 561 568) no Hoare annotation was computed. [2021-02-19 17:10:46,719 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 569 578) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:10:46,719 INFO L189 CegarLoopUtils]: For program point L574(line 574) no Hoare annotation was computed. [2021-02-19 17:10:46,719 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 569 578) no Hoare annotation was computed. [2021-02-19 17:10:46,719 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 569 578) no Hoare annotation was computed. [2021-02-19 17:10:46,719 INFO L185 CegarLoopUtils]: At program point L594(line 594) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:46,719 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 579 607) the Hoare annotation is: true [2021-02-19 17:10:46,720 INFO L189 CegarLoopUtils]: For program point L592(lines 592 598) no Hoare annotation was computed. [2021-02-19 17:10:46,720 INFO L189 CegarLoopUtils]: For program point L591(lines 591 601) no Hoare annotation was computed. [2021-02-19 17:10:46,720 INFO L192 CegarLoopUtils]: At program point L589(line 589) the Hoare annotation is: true [2021-02-19 17:10:46,720 INFO L189 CegarLoopUtils]: For program point L589-1(line 589) no Hoare annotation was computed. [2021-02-19 17:10:46,720 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 579 607) no Hoare annotation was computed. [2021-02-19 17:10:46,720 INFO L189 CegarLoopUtils]: For program point L587(lines 587 604) no Hoare annotation was computed. [2021-02-19 17:10:46,720 INFO L189 CegarLoopUtils]: For program point L587-1(lines 579 607) no Hoare annotation was computed. [2021-02-19 17:10:46,720 INFO L192 CegarLoopUtils]: At program point L585(line 585) the Hoare annotation is: true [2021-02-19 17:10:46,720 INFO L189 CegarLoopUtils]: For program point L585-1(line 585) no Hoare annotation was computed. [2021-02-19 17:10:46,721 INFO L185 CegarLoopUtils]: At program point L130-1(line 130) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,721 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,721 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:10:46,721 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:10:46,721 INFO L185 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,721 INFO L185 CegarLoopUtils]: At program point L136-1(line 136) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,722 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:10:46,722 INFO L189 CegarLoopUtils]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:10:46,722 INFO L189 CegarLoopUtils]: For program point L132(line 132) no Hoare annotation was computed. [2021-02-19 17:10:46,722 INFO L185 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,722 INFO L185 CegarLoopUtils]: At program point L130(line 130) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,722 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:10:46,722 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-19 17:10:46,723 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 794 802) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 794 802) the Hoare annotation is: true [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 794 802) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point L848(lines 848 852) no Hoare annotation was computed. [2021-02-19 17:10:46,724 INFO L192 CegarLoopUtils]: At program point L846(line 846) the Hoare annotation is: true [2021-02-19 17:10:46,724 INFO L189 CegarLoopUtils]: For program point L848-2(lines 848 852) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point L846-1(line 846) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 839 857) the Hoare annotation is: true [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 839 857) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 839 857) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point L833(line 833) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point L833-1(line 833) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point L822(lines 822 830) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point L822-2(lines 822 830) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 803 838) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point L810(lines 810 818) no Hoare annotation was computed. [2021-02-19 17:10:46,725 INFO L189 CegarLoopUtils]: For program point L810-2(lines 810 818) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 803 838) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 803 838) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 534 540) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 534 540) the Hoare annotation is: true [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 154 199) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 154 199) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 154 199) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point L481(lines 481 501) no Hoare annotation was computed. [2021-02-19 17:10:46,726 INFO L189 CegarLoopUtils]: For program point L481-1(lines 481 501) no Hoare annotation was computed. [2021-02-19 17:10:46,727 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 467 512) no Hoare annotation was computed. [2021-02-19 17:10:46,727 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 467 512) no Hoare annotation was computed. [2021-02-19 17:10:46,727 INFO L189 CegarLoopUtils]: For program point L487(lines 487 494) no Hoare annotation was computed. [2021-02-19 17:10:46,727 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 467 512) no Hoare annotation was computed. [2021-02-19 17:10:46,727 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,727 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:10:46,727 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:10:46,727 INFO L185 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-19 17:10:46,727 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 783 793) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 783 793) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 783 793) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point L788(line 788) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point L788-1(line 788) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 775 782) the Hoare annotation is: true [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 775 782) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 775 782) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L185 CegarLoopUtils]: At program point L761(line 761) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2021-02-19 17:10:46,728 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2021-02-19 17:10:46,729 INFO L185 CegarLoopUtils]: At program point L756(line 756) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,729 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,729 INFO L185 CegarLoopUtils]: At program point L752(line 752) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,729 INFO L189 CegarLoopUtils]: For program point L750(lines 750 758) no Hoare annotation was computed. [2021-02-19 17:10:46,729 INFO L185 CegarLoopUtils]: At program point L748(line 748) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,729 INFO L189 CegarLoopUtils]: For program point L748-1(line 748) no Hoare annotation was computed. [2021-02-19 17:10:46,729 INFO L189 CegarLoopUtils]: For program point L746(lines 746 763) no Hoare annotation was computed. [2021-02-19 17:10:46,729 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2021-02-19 17:10:46,729 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2021-02-19 17:10:46,730 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 859 922) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,730 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 859 922) no Hoare annotation was computed. [2021-02-19 17:10:46,730 INFO L185 CegarLoopUtils]: At program point L915(lines 868 916) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,730 INFO L189 CegarLoopUtils]: For program point L905(lines 905 909) no Hoare annotation was computed. [2021-02-19 17:10:46,730 INFO L185 CegarLoopUtils]: At program point L905-2(lines 899 910) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:46,730 INFO L189 CegarLoopUtils]: For program point L870(lines 869 914) no Hoare annotation was computed. [2021-02-19 17:10:46,730 INFO L189 CegarLoopUtils]: For program point L899(lines 899 910) no Hoare annotation was computed. [2021-02-19 17:10:46,730 INFO L185 CegarLoopUtils]: At program point L891(line 891) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point L889-1(lines 889 895) no Hoare annotation was computed. [2021-02-19 17:10:46,731 INFO L185 CegarLoopUtils]: At program point L881(line 881) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:46,731 INFO L185 CegarLoopUtils]: At program point L912(lines 869 914) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point L879(lines 879 885) no Hoare annotation was computed. [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point L879-1(lines 879 885) no Hoare annotation was computed. [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point L871(lines 871 875) no Hoare annotation was computed. [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 859 922) no Hoare annotation was computed. [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 421 466) no Hoare annotation was computed. [2021-02-19 17:10:46,731 INFO L189 CegarLoopUtils]: For program point L441(lines 441 448) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 421 466) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point L435(lines 435 455) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point L435-1(lines 435 455) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 421 466) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 692 700) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 692 700) the Hoare annotation is: true [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 692 700) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point L668(lines 668 676) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 660 682) no Hoare annotation was computed. [2021-02-19 17:10:46,732 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 660 682) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 660 682) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 318 420) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point L347(lines 347 363) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point L407(lines 407 414) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point L368(lines 367 387) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point L399(line 399) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point L399-1(line 399) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point L364(lines 364 405) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 318 420) no Hoare annotation was computed. [2021-02-19 17:10:46,733 INFO L189 CegarLoopUtils]: For program point L383(line 383) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point L383-1(line 383) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point L342(lines 342 346) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point L406(lines 406 417) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 318 420) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point L367-2(lines 367 387) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point L388(lines 366 389) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 524 533) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 524 533) no Hoare annotation was computed. [2021-02-19 17:10:46,734 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 524 533) no Hoare annotation was computed. [2021-02-19 17:10:46,735 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:46,735 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#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~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:10:46,735 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:46,735 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 767 774) no Hoare annotation was computed. [2021-02-19 17:10:46,735 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 767 774) no Hoare annotation was computed. [2021-02-19 17:10:46,735 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 767 774) no Hoare annotation was computed. [2021-02-19 17:10:46,736 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 683 691) the Hoare annotation is: true [2021-02-19 17:10:46,736 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 683 691) no Hoare annotation was computed. [2021-02-19 17:10:46,736 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 683 691) no Hoare annotation was computed. [2021-02-19 17:10:46,736 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 639 650) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:10:46,736 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 639 650) no Hoare annotation was computed. [2021-02-19 17:10:46,736 INFO L189 CegarLoopUtils]: For program point L643-1(lines 639 650) no Hoare annotation was computed. [2021-02-19 17:10:46,736 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:46,736 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:10:46,736 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:46,737 INFO L185 CegarLoopUtils]: At program point L723(line 723) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-19 17:10:46,737 INFO L185 CegarLoopUtils]: At program point L721(lines 721 727) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-19 17:10:46,737 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 707 733) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,737 INFO L185 CegarLoopUtils]: At program point L716(line 716) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:46,737 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 707 733) no Hoare annotation was computed. [2021-02-19 17:10:46,737 INFO L189 CegarLoopUtils]: For program point L714(lines 710 732) no Hoare annotation was computed. [2021-02-19 17:10:46,737 INFO L189 CegarLoopUtils]: For program point L712(lines 710 732) no Hoare annotation was computed. [2021-02-19 17:10:46,737 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 707 733) no Hoare annotation was computed. [2021-02-19 17:10:46,738 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-19 17:10:46,738 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-19 17:10:46,738 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-19 17:10:46,738 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-19 17:10:46,738 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-19 17:10:46,738 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-19 17:10:46,738 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-19 17:10:46,738 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-19 17:10:46,738 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-19 17:10:46,739 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-19 17:10:46,739 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalENTRY(lines 651 659) no Hoare annotation was computed. [2021-02-19 17:10:46,739 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 651 659) no Hoare annotation was computed. [2021-02-19 17:10:46,739 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 651 659) no Hoare annotation was computed. [2021-02-19 17:10:46,739 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 615 626) the Hoare annotation is: true [2021-02-19 17:10:46,739 INFO L189 CegarLoopUtils]: For program point L619-1(lines 615 626) no Hoare annotation was computed. [2021-02-19 17:10:46,739 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 615 626) no Hoare annotation was computed. [2021-02-19 17:10:46,739 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-19 17:10:46,739 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-19 17:10:46,739 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:46,740 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-19 17:10:46,740 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:10:46,740 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:46,740 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 627 638) no Hoare annotation was computed. [2021-02-19 17:10:46,740 INFO L189 CegarLoopUtils]: For program point L631-1(lines 627 638) no Hoare annotation was computed. [2021-02-19 17:10:46,740 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 627 638) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 17:10:46,740 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 514 521) no Hoare annotation was computed. [2021-02-19 17:10:46,741 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2021-02-19 17:10:46,741 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2021-02-19 17:10:46,741 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2021-02-19 17:10:46,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:10:46 BoogieIcfgContainer [2021-02-19 17:10:46,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:10:46,771 INFO L168 Benchmark]: Toolchain (without parser) took 18652.15 ms. Allocated memory was 151.0 MB in the beginning and 393.2 MB in the end (delta: 242.2 MB). Free memory was 126.1 MB in the beginning and 324.3 MB in the end (delta: -198.3 MB). Peak memory consumption was 237.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:46,772 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:10:46,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 104.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:46,773 INFO L168 Benchmark]: Boogie Preprocessor took 169.14 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 133.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:46,776 INFO L168 Benchmark]: RCFGBuilder took 1301.39 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 127.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:46,777 INFO L168 Benchmark]: TraceAbstraction took 16464.66 ms. Allocated memory was 151.0 MB in the beginning and 393.2 MB in the end (delta: 242.2 MB). Free memory was 127.0 MB in the beginning and 324.3 MB in the end (delta: -197.4 MB). Peak memory consumption was 236.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:46,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 691.50 ms. Allocated memory is still 151.0 MB. Free memory was 124.9 MB in the beginning and 104.5 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 169.14 ms. Allocated memory is still 151.0 MB. Free memory was 104.5 MB in the beginning and 133.1 MB in the end (delta: -28.7 MB). Peak memory consumption was 5.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1301.39 ms. Allocated memory is still 151.0 MB. Free memory was 133.1 MB in the beginning and 127.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 86.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16464.66 ms. Allocated memory was 151.0 MB in the beginning and 393.2 MB in the end (delta: 242.2 MB). Free memory was 127.0 MB in the beginning and 324.3 MB in the end (delta: -197.4 MB). Peak memory consumption was 236.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 868]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.9s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 380 SDtfs, 709 SDslu, 278 SDs, 0 SdLazy, 1086 SolverSat, 444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 92 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 194 PreInvPairs, 212 NumberOfFragments, 661 HoareAnnotationTreeSize, 194 FomulaSimplifications, 10486 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 5696 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 81558 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...