/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 16:56:36,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,700 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,703 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,704 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,174 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,175 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2021-02-19 16:56:37,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9ff7be2/1d0e6cfcf75d46619e8da7d68f728f39/FLAGe133156e3 [2021-02-19 16:56:38,035 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:38,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2021-02-19 16:56:38,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9ff7be2/1d0e6cfcf75d46619e8da7d68f728f39/FLAGe133156e3 [2021-02-19 16:56:38,349 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c9ff7be2/1d0e6cfcf75d46619e8da7d68f728f39 [2021-02-19 16:56:38,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,370 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,374 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e9c14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38, skipping insertion in model container [2021-02-19 16:56:38,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,740 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c[2887,2900] [2021-02-19 16:56:38,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,883 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,907 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c[2887,2900] [2021-02-19 16:56:38,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:39,028 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:39,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39 WrapperNode [2021-02-19 16:56:39,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:39,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:39,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:39,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... [2021-02-19 16:56:39,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,156 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:39,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,300 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,302 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,302 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 16:56:39,303 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,303 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,303 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,304 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,305 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:56:39,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,306 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,311 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,314 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,315 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:56:39,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 16:56:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,318 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,534 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da094d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:39" (2/3) ... [2021-02-19 16:56:40,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da094d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40" (3/3) ... [2021-02-19 16:56:40,551 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2021-02-19 16:56:40,578 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,584 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,603 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,638 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,638 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,639 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,639 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,639 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,639 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,639 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,640 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2021-02-19 16:56:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,670 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:40,672 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1424093421, now seen corresponding path program 1 times [2021-02-19 16:56:40,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384920035] [2021-02-19 16:56:40,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,473 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:41,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384920035] [2021-02-19 16:56:41,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882501873] [2021-02-19 16:56:41,637 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,652 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2021-02-19 16:56:42,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:42,813 INFO L93 Difference]: Finished difference Result 251 states and 336 transitions. [2021-02-19 16:56:42,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:42,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:42,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:42,828 INFO L225 Difference]: With dead ends: 251 [2021-02-19 16:56:42,829 INFO L226 Difference]: Without dead ends: 137 [2021-02-19 16:56:42,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:42,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-02-19 16:56:42,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 105. [2021-02-19 16:56:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2021-02-19 16:56:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2021-02-19 16:56:42,929 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2021-02-19 16:56:42,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:42,929 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2021-02-19 16:56:42,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:42,930 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2021-02-19 16:56:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:42,933 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:42,933 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:42,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:42,934 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:42,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:42,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1116139101, now seen corresponding path program 1 times [2021-02-19 16:56:42,935 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:42,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069629938] [2021-02-19 16:56:42,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,260 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:43,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:43,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069629938] [2021-02-19 16:56:43,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:43,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:43,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181660986] [2021-02-19 16:56:43,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:43,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:43,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:43,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:43,341 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 4 states. [2021-02-19 16:56:43,803 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:44,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:44,475 INFO L93 Difference]: Finished difference Result 178 states and 219 transitions. [2021-02-19 16:56:44,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:44,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:44,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:44,478 INFO L225 Difference]: With dead ends: 178 [2021-02-19 16:56:44,478 INFO L226 Difference]: Without dead ends: 121 [2021-02-19 16:56:44,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:44,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-02-19 16:56:44,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2021-02-19 16:56:44,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-02-19 16:56:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2021-02-19 16:56:44,522 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2021-02-19 16:56:44,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:44,522 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2021-02-19 16:56:44,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:44,523 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-02-19 16:56:44,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:56:44,525 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:44,525 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 16:56:44,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:44,525 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:44,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:44,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1128495234, now seen corresponding path program 1 times [2021-02-19 16:56:44,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:44,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270187772] [2021-02-19 16:56:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,924 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:44,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:44,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:45,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270187772] [2021-02-19 16:56:45,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:45,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:45,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080646252] [2021-02-19 16:56:45,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:45,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:45,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:45,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:45,018 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 8 states. [2021-02-19 16:56:45,528 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:45,869 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,170 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,492 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,273 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:48,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:48,516 INFO L93 Difference]: Finished difference Result 336 states and 422 transitions. [2021-02-19 16:56:48,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:48,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:56:48,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:48,520 INFO L225 Difference]: With dead ends: 336 [2021-02-19 16:56:48,521 INFO L226 Difference]: Without dead ends: 264 [2021-02-19 16:56:48,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:48,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2021-02-19 16:56:48,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 210. [2021-02-19 16:56:48,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2021-02-19 16:56:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2021-02-19 16:56:48,605 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2021-02-19 16:56:48,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:48,605 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2021-02-19 16:56:48,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2021-02-19 16:56:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-19 16:56:48,608 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:48,608 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] [2021-02-19 16:56:48,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:48,609 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:48,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:48,609 INFO L82 PathProgramCache]: Analyzing trace with hash -316456529, now seen corresponding path program 1 times [2021-02-19 16:56:48,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:48,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039095819] [2021-02-19 16:56:48,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,950 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:48,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:48,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:56:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:49,041 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039095819] [2021-02-19 16:56:49,041 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:49,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:49,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165552891] [2021-02-19 16:56:49,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:49,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:49,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:49,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:49,043 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 8 states. [2021-02-19 16:56:49,535 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:50,393 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:50,816 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:51,109 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,415 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,832 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:52,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:52,504 INFO L93 Difference]: Finished difference Result 680 states and 901 transitions. [2021-02-19 16:56:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:56:52,505 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2021-02-19 16:56:52,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:52,511 INFO L225 Difference]: With dead ends: 680 [2021-02-19 16:56:52,511 INFO L226 Difference]: Without dead ends: 494 [2021-02-19 16:56:52,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:56:52,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-02-19 16:56:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 375. [2021-02-19 16:56:52,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2021-02-19 16:56:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2021-02-19 16:56:52,655 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2021-02-19 16:56:52,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:52,656 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2021-02-19 16:56:52,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2021-02-19 16:56:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-19 16:56:52,659 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:52,659 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] [2021-02-19 16:56:52,659 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:52,660 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:52,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:52,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1170743475, now seen corresponding path program 1 times [2021-02-19 16:56:52,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:52,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806883083] [2021-02-19 16:56:52,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:52,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:52,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:52,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:52,983 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:52,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:56:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 16:56:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:53,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806883083] [2021-02-19 16:56:53,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:53,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:56:53,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959370492] [2021-02-19 16:56:53,122 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:56:53,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:53,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:56:53,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:56:53,125 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 9 states. [2021-02-19 16:56:53,646 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:54,574 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:54,869 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,161 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:55,489 INFO L93 Difference]: Finished difference Result 705 states and 922 transitions. [2021-02-19 16:56:55,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 16:56:55,489 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2021-02-19 16:56:55,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:55,490 INFO L225 Difference]: With dead ends: 705 [2021-02-19 16:56:55,490 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:55,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-19 16:56:55,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:55,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:55,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-02-19 16:56:55,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:55,501 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:55,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:56:55,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:55,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:55,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:55,504 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:59,215 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:56:59,426 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:56:59,633 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:56:59,851 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:00,056 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:00,455 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:00,704 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:01,097 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:01,258 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:01,636 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:02,039 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:02,228 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:02,421 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:02,614 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:02,996 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-19 16:57:03,186 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:03,445 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:57:04,020 WARN L202 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 14 [2021-02-19 16:57:04,214 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:04,403 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:04,599 WARN L202 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:04,860 WARN L202 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:05,237 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-19 16:57:05,252 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:05,252 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:05,252 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:05,252 INFO L189 CegarLoopUtils]: For program point L603(lines 603 607) no Hoare annotation was computed. [2021-02-19 16:57:05,252 INFO L189 CegarLoopUtils]: For program point L603-1(lines 603 607) no Hoare annotation was computed. [2021-02-19 16:57:05,252 INFO L189 CegarLoopUtils]: For program point L598(line 598) no Hoare annotation was computed. [2021-02-19 16:57:05,253 INFO L189 CegarLoopUtils]: For program point L597-2(lines 597 618) no Hoare annotation was computed. [2021-02-19 16:57:05,253 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 572 627) no Hoare annotation was computed. [2021-02-19 16:57:05,253 INFO L189 CegarLoopUtils]: For program point L619(lines 596 620) no Hoare annotation was computed. [2021-02-19 16:57:05,253 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 572 627) no Hoare annotation was computed. [2021-02-19 16:57:05,253 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 572 627) no Hoare annotation was computed. [2021-02-19 16:57:05,253 INFO L189 CegarLoopUtils]: For program point L673(line 673) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point L673-1(line 673) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 628 687) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point L660(lines 660 664) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point L660-1(lines 660 664) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point L655(line 655) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 628 687) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point L654-2(lines 654 679) no Hoare annotation was computed. [2021-02-19 16:57:05,254 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 628 687) no Hoare annotation was computed. [2021-02-19 16:57:05,255 INFO L189 CegarLoopUtils]: For program point L680(lines 653 681) no Hoare annotation was computed. [2021-02-19 16:57:05,255 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 407 413) the Hoare annotation is: true [2021-02-19 16:57:05,255 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 407 413) no Hoare annotation was computed. [2021-02-19 16:57:05,255 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 414 422) no Hoare annotation was computed. [2021-02-19 16:57:05,255 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 414 422) the Hoare annotation is: true [2021-02-19 16:57:05,255 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 414 422) no Hoare annotation was computed. [2021-02-19 16:57:05,255 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 496 518) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,256 INFO L185 CegarLoopUtils]: At program point L508(line 508) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,256 INFO L185 CegarLoopUtils]: At program point L508-1(line 508) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~3 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,256 INFO L189 CegarLoopUtils]: For program point L506(lines 506 513) no Hoare annotation was computed. [2021-02-19 16:57:05,256 INFO L189 CegarLoopUtils]: For program point L506-1(lines 506 513) no Hoare annotation was computed. [2021-02-19 16:57:05,256 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 496 518) no Hoare annotation was computed. [2021-02-19 16:57:05,256 INFO L189 CegarLoopUtils]: For program point L504(line 504) no Hoare annotation was computed. [2021-02-19 16:57:05,257 INFO L185 CegarLoopUtils]: At program point L503(line 503) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,257 INFO L185 CegarLoopUtils]: At program point L502(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,257 INFO L185 CegarLoopUtils]: At program point L502-1(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,257 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 496 518) no Hoare annotation was computed. [2021-02-19 16:57:05,257 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 455 478) no Hoare annotation was computed. [2021-02-19 16:57:05,257 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 455 478) no Hoare annotation was computed. [2021-02-19 16:57:05,257 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 455 478) no Hoare annotation was computed. [2021-02-19 16:57:05,257 INFO L189 CegarLoopUtils]: For program point L473(line 473) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L472(line 472) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L471(line 471) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L469(line 469) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L468(line 468) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L467(line 467) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L466(line 466) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L465(line 465) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L464(line 464) no Hoare annotation was computed. [2021-02-19 16:57:05,258 INFO L189 CegarLoopUtils]: For program point L463(line 463) no Hoare annotation was computed. [2021-02-19 16:57:05,259 INFO L189 CegarLoopUtils]: For program point L462(line 462) no Hoare annotation was computed. [2021-02-19 16:57:05,259 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2021-02-19 16:57:05,259 INFO L189 CegarLoopUtils]: For program point L460(line 460) no Hoare annotation was computed. [2021-02-19 16:57:05,259 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 302 316) no Hoare annotation was computed. [2021-02-19 16:57:05,259 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 302 316) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:05,259 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 302 316) no Hoare annotation was computed. [2021-02-19 16:57:05,259 INFO L185 CegarLoopUtils]: At program point L308(line 308) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:05,259 INFO L189 CegarLoopUtils]: For program point L306(lines 306 312) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 257 265) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 257 265) the Hoare annotation is: true [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 257 265) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point L285(lines 285 293) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point L285-2(lines 285 293) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point L273(lines 273 281) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 266 301) no Hoare annotation was computed. [2021-02-19 16:57:05,260 INFO L189 CegarLoopUtils]: For program point L296(line 296) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point L296-1(line 296) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 266 301) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 266 301) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 400 406) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 400 406) the Hoare annotation is: true [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 526 571) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 526 571) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 526 571) no Hoare annotation was computed. [2021-02-19 16:57:05,261 INFO L189 CegarLoopUtils]: For program point L859(lines 859 866) no Hoare annotation was computed. [2021-02-19 16:57:05,262 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 839 884) no Hoare annotation was computed. [2021-02-19 16:57:05,262 INFO L189 CegarLoopUtils]: For program point L853(lines 853 873) no Hoare annotation was computed. [2021-02-19 16:57:05,262 INFO L189 CegarLoopUtils]: For program point L853-1(lines 853 873) no Hoare annotation was computed. [2021-02-19 16:57:05,262 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 839 884) no Hoare annotation was computed. [2021-02-19 16:57:05,262 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 839 884) no Hoare annotation was computed. [2021-02-19 16:57:05,262 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 486 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,262 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 486 495) no Hoare annotation was computed. [2021-02-19 16:57:05,263 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 486 495) no Hoare annotation was computed. [2021-02-19 16:57:05,263 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 246 256) the Hoare annotation is: true [2021-02-19 16:57:05,263 INFO L192 CegarLoopUtils]: At program point L251(line 251) the Hoare annotation is: true [2021-02-19 16:57:05,263 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 246 256) no Hoare annotation was computed. [2021-02-19 16:57:05,263 INFO L189 CegarLoopUtils]: For program point L251-1(line 251) no Hoare annotation was computed. [2021-02-19 16:57:05,263 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 246 256) no Hoare annotation was computed. [2021-02-19 16:57:05,263 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 238 245) the Hoare annotation is: true [2021-02-19 16:57:05,263 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 238 245) no Hoare annotation was computed. [2021-02-19 16:57:05,263 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 238 245) no Hoare annotation was computed. [2021-02-19 16:57:05,264 INFO L185 CegarLoopUtils]: At program point L224(line 224) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,264 INFO L189 CegarLoopUtils]: For program point L224-1(lines 205 229) no Hoare annotation was computed. [2021-02-19 16:57:05,264 INFO L185 CegarLoopUtils]: At program point L219(line 219) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,264 INFO L185 CegarLoopUtils]: At program point L215(line 215) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,264 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 205 229) no Hoare annotation was computed. [2021-02-19 16:57:05,264 INFO L189 CegarLoopUtils]: For program point L213(lines 213 221) no Hoare annotation was computed. [2021-02-19 16:57:05,264 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 205 229) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,264 INFO L185 CegarLoopUtils]: At program point L211(line 211) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,264 INFO L189 CegarLoopUtils]: For program point L211-1(line 211) no Hoare annotation was computed. [2021-02-19 16:57:05,265 INFO L189 CegarLoopUtils]: For program point L209(lines 209 226) no Hoare annotation was computed. [2021-02-19 16:57:05,265 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 197 203) no Hoare annotation was computed. [2021-02-19 16:57:05,265 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 197 203) the Hoare annotation is: true [2021-02-19 16:57:05,265 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 319 384) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,265 INFO L185 CegarLoopUtils]: At program point L351(line 351) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,265 INFO L189 CegarLoopUtils]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-02-19 16:57:05,265 INFO L189 CegarLoopUtils]: For program point L349-1(lines 349 355) no Hoare annotation was computed. [2021-02-19 16:57:05,265 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 319 384) no Hoare annotation was computed. [2021-02-19 16:57:05,266 INFO L185 CegarLoopUtils]: At program point L374(lines 329 376) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,266 INFO L185 CegarLoopUtils]: At program point L341(line 341) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,266 INFO L189 CegarLoopUtils]: For program point L339(lines 339 345) no Hoare annotation was computed. [2021-02-19 16:57:05,266 INFO L189 CegarLoopUtils]: For program point L339-1(lines 339 345) no Hoare annotation was computed. [2021-02-19 16:57:05,266 INFO L189 CegarLoopUtils]: For program point L331(lines 331 335) no Hoare annotation was computed. [2021-02-19 16:57:05,266 INFO L185 CegarLoopUtils]: At program point L377(lines 328 378) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,266 INFO L185 CegarLoopUtils]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point L365(lines 365 371) no Hoare annotation was computed. [2021-02-19 16:57:05,267 INFO L185 CegarLoopUtils]: At program point L365-1(lines 359 372) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point L330(lines 329 376) no Hoare annotation was computed. [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point L359(lines 359 372) no Hoare annotation was computed. [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 319 384) no Hoare annotation was computed. [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 793 838) no Hoare annotation was computed. [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 793 838) no Hoare annotation was computed. [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 793 838) no Hoare annotation was computed. [2021-02-19 16:57:05,267 INFO L189 CegarLoopUtils]: For program point L813(lines 813 820) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point L807(lines 807 827) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 390 399) no Hoare annotation was computed. [2021-02-19 16:57:05,268 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 390 399) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 390 399) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point L739-2(lines 739 759) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 690 792) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point L760(lines 738 761) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point L719(lines 719 735) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point L779(lines 779 786) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 690 792) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point L740(lines 739 759) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point L771(line 771) no Hoare annotation was computed. [2021-02-19 16:57:05,269 INFO L189 CegarLoopUtils]: For program point L771-1(line 771) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point L736(lines 736 777) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point L755(line 755) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point L755-1(line 755) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 690 792) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point L714(lines 714 718) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point L778(lines 778 789) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-02-19 16:57:05,270 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,271 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:05,271 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,271 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2021-02-19 16:57:05,271 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2021-02-19 16:57:05,271 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 230 237) no Hoare annotation was computed. [2021-02-19 16:57:05,271 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2021-02-19 16:57:05,271 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2021-02-19 16:57:05,271 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2021-02-19 16:57:05,272 INFO L189 CegarLoopUtils]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2021-02-19 16:57:05,272 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:05,272 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2021-02-19 16:57:05,272 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,272 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,272 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,272 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2021-02-19 16:57:05,272 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2021-02-19 16:57:05,272 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2021-02-19 16:57:05,273 INFO L185 CegarLoopUtils]: At program point L186(line 186) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,273 INFO L185 CegarLoopUtils]: At program point L184(lines 184 190) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,273 INFO L185 CegarLoopUtils]: At program point L179(line 179) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:05,273 INFO L189 CegarLoopUtils]: For program point L177(lines 176 195) no Hoare annotation was computed. [2021-02-19 16:57:05,273 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 173 196) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,273 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 173 196) no Hoare annotation was computed. [2021-02-19 16:57:05,273 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 173 196) no Hoare annotation was computed. [2021-02-19 16:57:05,273 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 425 454) no Hoare annotation was computed. [2021-02-19 16:57:05,273 INFO L189 CegarLoopUtils]: For program point L446(line 446) no Hoare annotation was computed. [2021-02-19 16:57:05,274 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 425 454) the Hoare annotation is: true [2021-02-19 16:57:05,274 INFO L189 CegarLoopUtils]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-02-19 16:57:05,274 INFO L192 CegarLoopUtils]: At program point L439-1(lines 439 443) the Hoare annotation is: true [2021-02-19 16:57:05,274 INFO L189 CegarLoopUtils]: For program point L436(line 436) no Hoare annotation was computed. [2021-02-19 16:57:05,274 INFO L192 CegarLoopUtils]: At program point L435-2(lines 435 449) the Hoare annotation is: true [2021-02-19 16:57:05,274 INFO L192 CegarLoopUtils]: At program point L431(line 431) the Hoare annotation is: true [2021-02-19 16:57:05,274 INFO L189 CegarLoopUtils]: For program point L431-1(line 431) no Hoare annotation was computed. [2021-02-19 16:57:05,274 INFO L192 CegarLoopUtils]: At program point L450(lines 425 454) the Hoare annotation is: true [2021-02-19 16:57:05,274 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2021-02-19 16:57:05,274 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2021-02-19 16:57:05,275 INFO L189 CegarLoopUtils]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2021-02-19 16:57:05,275 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 479 485) no Hoare annotation was computed. [2021-02-19 16:57:05,275 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 479 485) the Hoare annotation is: true [2021-02-19 16:57:05,275 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,275 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:05,275 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:05,275 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,275 INFO L189 CegarLoopUtils]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2021-02-19 16:57:05,275 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2021-02-19 16:57:05,276 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:05,276 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 156 163) no Hoare annotation was computed. [2021-02-19 16:57:05,276 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2021-02-19 16:57:05,276 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 156 163) the Hoare annotation is: true [2021-02-19 16:57:05,276 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 156 163) no Hoare annotation was computed. [2021-02-19 16:57:05,276 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 130 154) the Hoare annotation is: true [2021-02-19 16:57:05,276 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 130 154) no Hoare annotation was computed. [2021-02-19 16:57:05,276 INFO L185 CegarLoopUtils]: At program point L144(line 144) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:05,277 INFO L189 CegarLoopUtils]: For program point L142(lines 142 148) no Hoare annotation was computed. [2021-02-19 16:57:05,277 INFO L185 CegarLoopUtils]: At program point L140(line 140) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:05,277 INFO L189 CegarLoopUtils]: For program point L140-1(line 140) no Hoare annotation was computed. [2021-02-19 16:57:05,277 INFO L189 CegarLoopUtils]: For program point L138(lines 138 151) no Hoare annotation was computed. [2021-02-19 16:57:05,277 INFO L189 CegarLoopUtils]: For program point L138-1(lines 130 154) no Hoare annotation was computed. [2021-02-19 16:57:05,277 INFO L192 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: true [2021-02-19 16:57:05,277 INFO L189 CegarLoopUtils]: For program point L136-1(line 136) no Hoare annotation was computed. [2021-02-19 16:57:05,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:05 BoogieIcfgContainer [2021-02-19 16:57:05,293 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:05,295 INFO L168 Benchmark]: Toolchain (without parser) took 26938.45 ms. Allocated memory was 151.0 MB in the beginning and 379.6 MB in the end (delta: 228.6 MB). Free memory was 125.1 MB in the beginning and 223.0 MB in the end (delta: -97.9 MB). Peak memory consumption was 227.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,295 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:05,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.77 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,296 INFO L168 Benchmark]: Boogie Preprocessor took 121.38 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 133.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,297 INFO L168 Benchmark]: RCFGBuilder took 1383.61 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 49.4 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,297 INFO L168 Benchmark]: TraceAbstraction took 24751.97 ms. Allocated memory was 151.0 MB in the beginning and 379.6 MB in the end (delta: 228.6 MB). Free memory was 49.4 MB in the beginning and 223.0 MB in the end (delta: -173.6 MB). Peak memory consumption was 152.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 655.77 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.38 ms. Allocated memory is still 151.0 MB. Free memory was 103.9 MB in the beginning and 133.0 MB in the end (delta: -29.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1383.61 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 49.4 MB in the end (delta: 83.6 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24751.97 ms. Allocated memory was 151.0 MB in the beginning and 379.6 MB in the end (delta: 228.6 MB). Free memory was 49.4 MB in the beginning and 223.0 MB in the end (delta: -173.6 MB). Peak memory consumption was 152.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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: 435]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 458 SDtfs, 748 SDslu, 403 SDs, 0 SdLazy, 1941 SolverSat, 503 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 694 HoareAnnotationTreeSize, 468 FomulaSimplifications, 61552 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 18404 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 77880 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...