/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:59:17,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:59:17,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:59:17,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:59:17,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:59:17,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:59:17,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:59:17,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:59:17,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:59:17,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:59:17,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:59:17,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:59:17,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:59:17,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:59:17,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:59:17,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:59:17,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:59:17,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:59:17,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:59:17,478 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:59:17,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:59:17,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:59:17,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:59:17,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:59:17,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:59:17,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:59:17,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:59:17,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:59:17,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:59:17,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:59:17,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:59:17,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:59:17,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:59:17,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:59:17,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:59:17,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:59:17,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:59:17,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:59:17,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:59:17,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:59:17,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:59:17,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 16:59:17,579 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:59:17,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:59:17,581 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:59:17,581 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:59:17,581 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:59:17,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:59:17,582 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:59:17,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:59:17,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:59:17,583 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:59:17,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:59:17,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:59:17,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:59:17,585 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:59:17,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:59:17,585 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:59:17,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:59:17,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:59:17,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:59:17,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:59:17,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:59:17,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:59:17,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:59:17,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:59:17,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:59:17,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:59:17,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:59:17,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:59:17,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:59:17,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:59:18,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:59:18,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:59:18,020 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:59:18,020 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:59:18,022 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2021-02-19 16:59:18,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c57b6e2b/ac0de6b91d3c4c34ba2214f17b072d35/FLAG59c9341e8 [2021-02-19 16:59:18,791 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:59:18,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c [2021-02-19 16:59:18,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c57b6e2b/ac0de6b91d3c4c34ba2214f17b072d35/FLAG59c9341e8 [2021-02-19 16:59:19,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c57b6e2b/ac0de6b91d3c4c34ba2214f17b072d35 [2021-02-19 16:59:19,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:59:19,105 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:59:19,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:59:19,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:59:19,116 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:59:19,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168df3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19, skipping insertion in model container [2021-02-19 16:59:19,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:59:19,199 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:59:19,483 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c[16794,16807] [2021-02-19 16:59:19,492 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:59:19,512 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:59:19,689 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product01.cil.c[16794,16807] [2021-02-19 16:59:19,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:59:19,746 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:59:19,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19 WrapperNode [2021-02-19 16:59:19,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:59:19,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:59:19,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:59:19,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:59:19,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... [2021-02-19 16:59:19,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:59:19,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:59:19,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:59:19,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:59:19,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:59:20,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:59:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:59:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:59:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:59:20,042 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:59:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:59:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:59:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:59:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:59:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:59:20,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:59:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:59:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:59:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:59:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:59:20,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:59:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:59:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:59:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:59:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:59:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:59:20,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-19 16:59:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-19 16:59:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:59:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:59:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:59:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:59:20,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:59:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:59:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:59:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:59:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:59:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:59:20,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:59:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:59:20,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:59:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:59:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:59:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:59:20,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:59:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:59:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:59:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:59:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:59:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:59:20,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:59:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:59:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:59:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:59:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:59:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-19 16:59:20,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:59:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:59:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:59:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:59:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:59:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:59:20,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:59:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:59:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:59:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:59:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:59:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:59:20,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-19 16:59:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:59:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:59:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:59:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:59:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:59:20,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:59:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:59:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:59:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:59:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:59:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:59:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:59:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:59:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:59:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:59:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:59:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:59:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:59:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:59:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:59:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:59:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:59:21,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:59:21,509 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:59:21,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:59:21 BoogieIcfgContainer [2021-02-19 16:59:21,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:59:21,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:59:21,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:59:21,518 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:59:21,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:59:19" (1/3) ... [2021-02-19 16:59:21,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4859012b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:59:21, skipping insertion in model container [2021-02-19 16:59:21,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:59:19" (2/3) ... [2021-02-19 16:59:21,520 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4859012b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:59:21, skipping insertion in model container [2021-02-19 16:59:21,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:59:21" (3/3) ... [2021-02-19 16:59:21,522 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2021-02-19 16:59:21,529 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:59:21,534 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:59:21,554 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:59:21,585 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:59:21,585 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:59:21,585 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:59:21,585 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:59:21,586 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:59:21,605 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:59:21,605 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:59:21,605 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:59:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2021-02-19 16:59:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:59:21,637 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:21,638 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:59:21,638 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:21,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:21,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1543969489, now seen corresponding path program 1 times [2021-02-19 16:59:21,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:21,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67861477] [2021-02-19 16:59:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,787 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:22,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 16:59:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-19 16:59:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:22,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:22,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:59:22,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67861477] [2021-02-19 16:59:22,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:22,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:59:22,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140346882] [2021-02-19 16:59:22,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:59:22,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:22,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:59:22,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:59:22,958 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 4 states. [2021-02-19 16:59:24,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:24,104 INFO L93 Difference]: Finished difference Result 198 states and 267 transitions. [2021-02-19 16:59:24,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 16:59:24,106 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-19 16:59:24,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:24,121 INFO L225 Difference]: With dead ends: 198 [2021-02-19 16:59:24,121 INFO L226 Difference]: Without dead ends: 113 [2021-02-19 16:59:24,128 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:59:24,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-02-19 16:59:24,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2021-02-19 16:59:24,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2021-02-19 16:59:24,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2021-02-19 16:59:24,211 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 51 [2021-02-19 16:59:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:24,211 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2021-02-19 16:59:24,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:59:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2021-02-19 16:59:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:59:24,215 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:24,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:59:24,215 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:59:24,216 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:24,216 INFO L82 PathProgramCache]: Analyzing trace with hash -961182470, now seen corresponding path program 1 times [2021-02-19 16:59:24,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:24,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353501870] [2021-02-19 16:59:24,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:24,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,660 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:24,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:59:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:59:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:24,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:24,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:24,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:59:24,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353501870] [2021-02-19 16:59:24,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:24,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 16:59:24,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480512203] [2021-02-19 16:59:24,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 16:59:24,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:24,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 16:59:24,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:59:24,737 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 5 states. [2021-02-19 16:59:25,279 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 16:59:25,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:25,802 INFO L93 Difference]: Finished difference Result 143 states and 178 transitions. [2021-02-19 16:59:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 16:59:25,802 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-02-19 16:59:25,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:25,805 INFO L225 Difference]: With dead ends: 143 [2021-02-19 16:59:25,805 INFO L226 Difference]: Without dead ends: 103 [2021-02-19 16:59:25,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:59:25,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-02-19 16:59:25,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2021-02-19 16:59:25,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-19 16:59:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2021-02-19 16:59:25,843 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 52 [2021-02-19 16:59:25,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:25,844 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2021-02-19 16:59:25,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 16:59:25,844 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2021-02-19 16:59:25,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-02-19 16:59:25,846 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:25,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:59:25,847 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:59:25,847 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:25,848 INFO L82 PathProgramCache]: Analyzing trace with hash -830598877, now seen corresponding path program 1 times [2021-02-19 16:59:25,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:25,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361223890] [2021-02-19 16:59:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:25,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:25,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:25,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:25,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:25,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:25,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:25,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:25,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:59:25,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:25,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:26,241 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:26,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:59:26,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:26,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:26,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:26,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 16:59:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:59:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:26,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:26,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:59:26,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361223890] [2021-02-19 16:59:26,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:26,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:59:26,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420225521] [2021-02-19 16:59:26,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:59:26,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:26,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:59:26,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:59:26,353 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 9 states. [2021-02-19 16:59:26,818 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:27,123 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:27,389 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:27,660 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:28,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:28,374 INFO L93 Difference]: Finished difference Result 152 states and 193 transitions. [2021-02-19 16:59:28,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:59:28,375 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-02-19 16:59:28,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:28,377 INFO L225 Difference]: With dead ends: 152 [2021-02-19 16:59:28,377 INFO L226 Difference]: Without dead ends: 103 [2021-02-19 16:59:28,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-19 16:59:28,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-02-19 16:59:28,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 77. [2021-02-19 16:59:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-19 16:59:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2021-02-19 16:59:28,412 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 56 [2021-02-19 16:59:28,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:28,413 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2021-02-19 16:59:28,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:59:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2021-02-19 16:59:28,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 16:59:28,415 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:28,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:59:28,415 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:59:28,415 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:28,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1579034044, now seen corresponding path program 1 times [2021-02-19 16:59:28,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:28,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589519273] [2021-02-19 16:59:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,768 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:28,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:59:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:59:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:28,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 16:59:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:28,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:28,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:59:28,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589519273] [2021-02-19 16:59:28,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:28,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:59:28,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493931082] [2021-02-19 16:59:28,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:59:28,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:28,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:59:28,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:59:28,864 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 8 states. [2021-02-19 16:59:29,325 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:30,139 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:30,431 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:30,737 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:31,024 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:31,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:31,413 INFO L93 Difference]: Finished difference Result 204 states and 263 transitions. [2021-02-19 16:59:31,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 16:59:31,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-19 16:59:31,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:31,417 INFO L225 Difference]: With dead ends: 204 [2021-02-19 16:59:31,417 INFO L226 Difference]: Without dead ends: 155 [2021-02-19 16:59:31,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:59:31,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-02-19 16:59:31,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 116. [2021-02-19 16:59:31,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-02-19 16:59:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2021-02-19 16:59:31,463 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2021-02-19 16:59:31,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:31,463 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2021-02-19 16:59:31,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:59:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2021-02-19 16:59:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-19 16:59:31,465 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:59:31,465 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:59:31,466 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:59:31,466 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:59:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:59:31,466 INFO L82 PathProgramCache]: Analyzing trace with hash -468733984, now seen corresponding path program 1 times [2021-02-19 16:59:31,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:59:31,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975995260] [2021-02-19 16:59:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:59:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,778 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:31,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:59:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:59:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:59:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:59:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:59:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 16:59:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-02-19 16:59:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:59:31,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-19 16:59:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:59:31,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-19 16:59:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:59:31,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:59:31,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:59:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:59:31,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975995260] [2021-02-19 16:59:31,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:59:31,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:59:31,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114017657] [2021-02-19 16:59:31,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:59:31,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:59:31,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:59:31,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:59:31,932 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 9 states. [2021-02-19 16:59:32,389 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 16:59:33,208 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:33,515 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:33,811 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 16:59:33,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:59:33,928 INFO L93 Difference]: Finished difference Result 233 states and 298 transitions. [2021-02-19 16:59:33,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:59:33,929 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-19 16:59:33,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:59:33,931 INFO L225 Difference]: With dead ends: 233 [2021-02-19 16:59:33,932 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:59:33,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-19 16:59:33,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:59:33,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:59:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:59:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:59:33,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-02-19 16:59:33,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:59:33,936 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:59:33,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:59:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:59:33,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:59:33,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:59:33,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:59:34,167 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 10 [2021-02-19 16:59:34,383 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 216 [2021-02-19 16:59:36,251 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2021-02-19 16:59:36,446 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2021-02-19 16:59:36,619 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2021-02-19 16:59:36,840 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2021-02-19 16:59:37,007 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2021-02-19 16:59:37,182 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2021-02-19 16:59:37,505 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 16:59:37,757 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:59:37,941 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2021-02-19 16:59:38,119 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 16:59:38,469 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2021-02-19 16:59:38,652 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 21 [2021-02-19 16:59:39,004 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2021-02-19 16:59:39,396 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 16 [2021-02-19 16:59:39,751 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 12 [2021-02-19 16:59:39,940 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 16:59:40,172 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 16:59:40,527 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 16:59:40,730 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 16:59:41,100 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 16:59:41,112 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:59:41,112 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:59:41,112 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:59:41,112 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2021-02-19 16:59:41,112 INFO L189 CegarLoopUtils]: For program point L479-2(lines 479 500) no Hoare annotation was computed. [2021-02-19 16:59:41,112 INFO L189 CegarLoopUtils]: For program point L501(lines 478 502) no Hoare annotation was computed. [2021-02-19 16:59:41,112 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 454 509) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 454 509) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point L485(lines 485 489) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point L485-1(lines 485 489) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 454 509) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point L542(lines 542 546) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point L537(line 537) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point L536-2(lines 536 561) no Hoare annotation was computed. [2021-02-19 16:59:41,113 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 510 569) no Hoare annotation was computed. [2021-02-19 16:59:41,114 INFO L189 CegarLoopUtils]: For program point L562(lines 535 563) no Hoare annotation was computed. [2021-02-19 16:59:41,114 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 510 569) no Hoare annotation was computed. [2021-02-19 16:59:41,114 INFO L189 CegarLoopUtils]: For program point L555(line 555) no Hoare annotation was computed. [2021-02-19 16:59:41,114 INFO L189 CegarLoopUtils]: For program point L555-1(line 555) no Hoare annotation was computed. [2021-02-19 16:59:41,114 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 510 569) no Hoare annotation was computed. [2021-02-19 16:59:41,114 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 247 253) the Hoare annotation is: true [2021-02-19 16:59:41,114 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 247 253) no Hoare annotation was computed. [2021-02-19 16:59:41,115 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 254 262) no Hoare annotation was computed. [2021-02-19 16:59:41,115 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 254 262) the Hoare annotation is: true [2021-02-19 16:59:41,115 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 254 262) no Hoare annotation was computed. [2021-02-19 16:59:41,115 INFO L185 CegarLoopUtils]: At program point L350(line 350) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2021-02-19 16:59:41,115 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 338 360) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:41,115 INFO L185 CegarLoopUtils]: At program point L350-1(line 350) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 ~systemActive~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2021-02-19 16:59:41,116 INFO L189 CegarLoopUtils]: For program point L348(lines 348 355) no Hoare annotation was computed. [2021-02-19 16:59:41,116 INFO L189 CegarLoopUtils]: For program point L348-1(lines 348 355) no Hoare annotation was computed. [2021-02-19 16:59:41,116 INFO L189 CegarLoopUtils]: For program point L346(line 346) no Hoare annotation was computed. [2021-02-19 16:59:41,116 INFO L185 CegarLoopUtils]: At program point L345(line 345) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:41,116 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 338 360) no Hoare annotation was computed. [2021-02-19 16:59:41,116 INFO L185 CegarLoopUtils]: At program point L344(line 344) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:41,116 INFO L185 CegarLoopUtils]: At program point L344-1(line 344) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 338 360) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 295 318) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 295 318) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 295 318) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point L313(line 313) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point L312(line 312) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point L311(line 311) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point L310(line 310) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point L309(line 309) no Hoare annotation was computed. [2021-02-19 16:59:41,117 INFO L189 CegarLoopUtils]: For program point L308(line 308) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L307(line 307) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L306(line 306) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L305(line 305) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L304(line 304) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L303(line 303) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L302(line 302) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L301(line 301) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point L300(line 300) no Hoare annotation was computed. [2021-02-19 16:59:41,118 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 112 120) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 112 120) the Hoare annotation is: true [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 112 120) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point L128(lines 128 136) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point L128-2(lines 128 136) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point L151(line 151) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point L151-1(line 151) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 121 156) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point L140(lines 140 148) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point L140-2(lines 140 148) no Hoare annotation was computed. [2021-02-19 16:59:41,119 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 121 156) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 121 156) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 240 246) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 240 246) the Hoare annotation is: true [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 408 453) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 408 453) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 408 453) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point L735(lines 735 755) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point L735-1(lines 735 755) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 721 766) no Hoare annotation was computed. [2021-02-19 16:59:41,120 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 721 766) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 721 766) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point L741(lines 741 748) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 327 337) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:41,121 INFO L185 CegarLoopUtils]: At program point L332(line 332) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 327 337) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 327 337) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 101 111) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 101 111) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point L106(line 106) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point L106-1(line 106) no Hoare annotation was computed. [2021-02-19 16:59:41,121 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 101 111) no Hoare annotation was computed. [2021-02-19 16:59:41,122 INFO L189 CegarLoopUtils]: For program point deactivatePumpENTRY(lines 93 100) no Hoare annotation was computed. [2021-02-19 16:59:41,122 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 93 100) no Hoare annotation was computed. [2021-02-19 16:59:41,122 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 93 100) no Hoare annotation was computed. [2021-02-19 16:59:41,122 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 78 84) no Hoare annotation was computed. [2021-02-19 16:59:41,122 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 78 84) the Hoare annotation is: true [2021-02-19 16:59:41,122 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 161 224) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:41,122 INFO L185 CegarLoopUtils]: At program point L217(lines 170 218) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:59:41,122 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 161 224) no Hoare annotation was computed. [2021-02-19 16:59:41,122 INFO L189 CegarLoopUtils]: For program point L207(lines 207 211) no Hoare annotation was computed. [2021-02-19 16:59:41,122 INFO L185 CegarLoopUtils]: At program point L207-2(lines 201 212) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:59:41,122 INFO L189 CegarLoopUtils]: For program point L172(lines 171 216) no Hoare annotation was computed. [2021-02-19 16:59:41,123 INFO L189 CegarLoopUtils]: For program point L201(lines 201 212) no Hoare annotation was computed. [2021-02-19 16:59:41,123 INFO L185 CegarLoopUtils]: At program point L193(line 193) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:59:41,123 INFO L189 CegarLoopUtils]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-02-19 16:59:41,123 INFO L189 CegarLoopUtils]: For program point L191-1(lines 191 197) no Hoare annotation was computed. [2021-02-19 16:59:41,123 INFO L185 CegarLoopUtils]: At program point L183(line 183) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:59:41,123 INFO L185 CegarLoopUtils]: At program point L214(lines 171 216) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= test_~splverifierCounter~0 0)) [2021-02-19 16:59:41,123 INFO L189 CegarLoopUtils]: For program point L181(lines 181 187) no Hoare annotation was computed. [2021-02-19 16:59:41,123 INFO L189 CegarLoopUtils]: For program point L181-1(lines 181 187) no Hoare annotation was computed. [2021-02-19 16:59:41,123 INFO L189 CegarLoopUtils]: For program point L173(lines 173 177) no Hoare annotation was computed. [2021-02-19 16:59:41,123 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 161 224) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 675 720) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point L695(lines 695 702) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 675 720) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point L689(lines 689 709) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 675 720) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point L689-1(lines 689 709) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point L385(lines 385 391) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point L384(lines 384 394) no Hoare annotation was computed. [2021-02-19 16:59:41,124 INFO L185 CegarLoopUtils]: At program point L382(line 382) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-02-19 16:59:41,124 INFO L189 CegarLoopUtils]: For program point L382-1(line 382) no Hoare annotation was computed. [2021-02-19 16:59:41,125 INFO L189 CegarLoopUtils]: For program point L380(lines 380 397) no Hoare annotation was computed. [2021-02-19 16:59:41,125 INFO L189 CegarLoopUtils]: For program point L380-1(lines 372 400) no Hoare annotation was computed. [2021-02-19 16:59:41,125 INFO L185 CegarLoopUtils]: At program point L378(line 378) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 16:59:41,125 INFO L189 CegarLoopUtils]: For program point L378-1(line 378) no Hoare annotation was computed. [2021-02-19 16:59:41,125 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 372 400) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 16:59:41,125 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__2EXIT(lines 372 400) no Hoare annotation was computed. [2021-02-19 16:59:41,125 INFO L185 CegarLoopUtils]: At program point L387(line 387) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:41,125 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 816 838) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point L824(lines 824 832) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point L824-2(lines 824 832) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 816 838) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 816 838) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 364 371) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1FINAL(lines 364 371) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1EXIT(lines 364 371) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 230 239) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 230 239) no Hoare annotation was computed. [2021-02-19 16:59:41,126 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 230 239) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 572 674) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point L601(lines 601 617) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point L661(lines 661 668) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point L622(lines 621 641) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point L653(line 653) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point L653-1(line 653) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point L618(lines 618 659) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 572 674) no Hoare annotation was computed. [2021-02-19 16:59:41,127 INFO L189 CegarLoopUtils]: For program point L637(line 637) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point L637-1(line 637) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point L596(lines 596 600) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point L660(lines 660 671) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 572 674) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point L623(lines 623 627) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point L621-2(lines 621 641) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point L642(lines 620 643) no Hoare annotation was computed. [2021-02-19 16:59:41,128 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:59:41,129 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.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)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:59:41,129 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:59:41,129 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 85 92) no Hoare annotation was computed. [2021-02-19 16:59:41,129 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 85 92) no Hoare annotation was computed. [2021-02-19 16:59:41,129 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 85 92) no Hoare annotation was computed. [2021-02-19 16:59:41,129 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 839 847) no Hoare annotation was computed. [2021-02-19 16:59:41,130 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 839 847) no Hoare annotation was computed. [2021-02-19 16:59:41,130 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 839 847) no Hoare annotation was computed. [2021-02-19 16:59:41,130 INFO L189 CegarLoopUtils]: For program point L799-1(lines 795 806) no Hoare annotation was computed. [2021-02-19 16:59:41,130 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 795 806) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:59:41,130 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 795 806) no Hoare annotation was computed. [2021-02-19 16:59:41,130 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:59:41,130 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:59:41,130 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:59:41,131 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 807 815) the Hoare annotation is: true [2021-02-19 16:59:41,131 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 807 815) no Hoare annotation was computed. [2021-02-19 16:59:41,131 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 807 815) no Hoare annotation was computed. [2021-02-19 16:59:41,131 INFO L185 CegarLoopUtils]: At program point L65(lines 65 71) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:41,131 INFO L185 CegarLoopUtils]: At program point L60(line 60) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:41,131 INFO L189 CegarLoopUtils]: For program point L58(lines 57 76) no Hoare annotation was computed. [2021-02-19 16:59:41,131 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:41,131 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2021-02-19 16:59:41,131 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2021-02-19 16:59:41,132 INFO L185 CegarLoopUtils]: At program point L67(line 67) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:41,132 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 265 294) no Hoare annotation was computed. [2021-02-19 16:59:41,132 INFO L189 CegarLoopUtils]: For program point L286(line 286) no Hoare annotation was computed. [2021-02-19 16:59:41,132 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 265 294) the Hoare annotation is: true [2021-02-19 16:59:41,132 INFO L189 CegarLoopUtils]: For program point L279(lines 279 283) no Hoare annotation was computed. [2021-02-19 16:59:41,132 INFO L192 CegarLoopUtils]: At program point L279-1(lines 279 283) the Hoare annotation is: true [2021-02-19 16:59:41,132 INFO L189 CegarLoopUtils]: For program point L276(line 276) no Hoare annotation was computed. [2021-02-19 16:59:41,132 INFO L192 CegarLoopUtils]: At program point L275-2(lines 275 289) the Hoare annotation is: true [2021-02-19 16:59:41,132 INFO L192 CegarLoopUtils]: At program point L271(line 271) the Hoare annotation is: true [2021-02-19 16:59:41,133 INFO L189 CegarLoopUtils]: For program point L271-1(line 271) no Hoare annotation was computed. [2021-02-19 16:59:41,133 INFO L192 CegarLoopUtils]: At program point L290(lines 265 294) the Hoare annotation is: true [2021-02-19 16:59:41,133 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 771 782) the Hoare annotation is: true [2021-02-19 16:59:41,133 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 771 782) no Hoare annotation was computed. [2021-02-19 16:59:41,133 INFO L189 CegarLoopUtils]: For program point L775-1(lines 771 782) no Hoare annotation was computed. [2021-02-19 16:59:41,133 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 319 325) no Hoare annotation was computed. [2021-02-19 16:59:41,133 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 319 325) the Hoare annotation is: true [2021-02-19 16:59:41,133 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:59:41,134 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:59:41,134 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:59:41,134 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:59:41,134 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 783 794) no Hoare annotation was computed. [2021-02-19 16:59:41,134 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 783 794) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:59:41,134 INFO L189 CegarLoopUtils]: For program point L787-1(lines 783 794) no Hoare annotation was computed. [2021-02-19 16:59:41,134 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 849 856) no Hoare annotation was computed. [2021-02-19 16:59:41,135 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 853) no Hoare annotation was computed. [2021-02-19 16:59:41,135 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 849 856) the Hoare annotation is: true [2021-02-19 16:59:41,135 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 849 856) no Hoare annotation was computed. [2021-02-19 16:59:41,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:59:41 BoogieIcfgContainer [2021-02-19 16:59:41,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:59:41,153 INFO L168 Benchmark]: Toolchain (without parser) took 22057.91 ms. Allocated memory was 153.1 MB in the beginning and 388.0 MB in the end (delta: 234.9 MB). Free memory was 127.7 MB in the beginning and 192.5 MB in the end (delta: -64.8 MB). Peak memory consumption was 229.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:41,154 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 153.1 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:59:41,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.18 ms. Allocated memory is still 153.1 MB. Free memory was 126.6 MB in the beginning and 106.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:41,155 INFO L168 Benchmark]: Boogie Preprocessor took 159.91 ms. Allocated memory is still 153.1 MB. Free memory was 106.8 MB in the beginning and 102.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:41,156 INFO L168 Benchmark]: RCFGBuilder took 1600.42 ms. Allocated memory is still 153.1 MB. Free memory was 102.9 MB in the beginning and 53.6 MB in the end (delta: 49.3 MB). Peak memory consumption was 50.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:41,156 INFO L168 Benchmark]: TraceAbstraction took 19637.50 ms. Allocated memory was 153.1 MB in the beginning and 388.0 MB in the end (delta: 234.9 MB). Free memory was 53.1 MB in the beginning and 192.5 MB in the end (delta: -139.4 MB). Peak memory consumption was 154.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:59:41,159 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 153.1 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 636.18 ms. Allocated memory is still 153.1 MB. Free memory was 126.6 MB in the beginning and 106.8 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 159.91 ms. Allocated memory is still 153.1 MB. Free memory was 106.8 MB in the beginning and 102.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1600.42 ms. Allocated memory is still 153.1 MB. Free memory was 102.9 MB in the beginning and 53.6 MB in the end (delta: 49.3 MB). Peak memory consumption was 50.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19637.50 ms. Allocated memory was 153.1 MB in the beginning and 388.0 MB in the end (delta: 234.9 MB). Free memory was 53.1 MB in the beginning and 192.5 MB in the end (delta: -139.4 MB). Peak memory consumption was 154.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 853]: 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: 275]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) || !(1 == systemActive)) || !(\old(methaneLevelCritical) == 0)) || splverifierCounter == 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 202 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 354 SDtfs, 578 SDslu, 347 SDs, 0 SdLazy, 1278 SolverSat, 386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred 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, 5 MinimizatonAttempts, 118 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 176 PreInvPairs, 208 NumberOfFragments, 669 HoareAnnotationTreeSize, 176 FomulaSimplifications, 75660 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 7628 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 84784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...