/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:38:14,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:38:14,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:38:14,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:38:14,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:38:14,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:38:14,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:38:14,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:38:14,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:38:14,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:38:14,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:38:14,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:38:14,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:38:14,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:38:14,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:38:14,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:38:14,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:38:14,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:38:14,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:38:14,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:38:14,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:38:14,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:38:14,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:38:14,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:38:14,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:38:14,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:38:14,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:38:14,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:38:14,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:38:14,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:38:14,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:38:14,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:38:14,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:38:14,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:38:14,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:38:14,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:38:14,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:38:14,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:38:14,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:38:14,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:38:14,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:38:14,984 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:38:15,034 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:38:15,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:38:15,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:38:15,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:38:15,040 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:38:15,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:38:15,040 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:38:15,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:38:15,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:38:15,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:38:15,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:38:15,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:38:15,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:38:15,042 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:38:15,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:38:15,042 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:38:15,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:38:15,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:38:15,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:38:15,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:38:15,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:38:15,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:38:15,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:38:15,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:38:15,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:38:15,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:38:15,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:38:15,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:38:15,045 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:38:15,045 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:38:15,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:38:15,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:38:15,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:38:15,451 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:38:15,452 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:38:15,453 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-10-28 16:38:15,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3ab9e3ce/aa7b0b8b3792459daa54a4290d5f37b7/FLAG8add7f560 [2020-10-28 16:38:16,286 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:38:16,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2020-10-28 16:38:16,300 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3ab9e3ce/aa7b0b8b3792459daa54a4290d5f37b7/FLAG8add7f560 [2020-10-28 16:38:16,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c3ab9e3ce/aa7b0b8b3792459daa54a4290d5f37b7 [2020-10-28 16:38:16,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:38:16,628 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:38:16,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:38:16,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:38:16,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:38:16,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:38:16" (1/1) ... [2020-10-28 16:38:16,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28176dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:16, skipping insertion in model container [2020-10-28 16:38:16,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:38:16" (1/1) ... [2020-10-28 16:38:16,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:38:16,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:38:17,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:38:17,101 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:38:17,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:38:17,240 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:38:17,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17 WrapperNode [2020-10-28 16:38:17,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:38:17,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:38:17,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:38:17,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:38:17,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... [2020-10-28 16:38:17,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... [2020-10-28 16:38:17,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... [2020-10-28 16:38:17,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... [2020-10-28 16:38:17,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... [2020-10-28 16:38:17,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... [2020-10-28 16:38:17,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... [2020-10-28 16:38:17,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:38:17,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:38:17,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:38:17,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:38:17,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-28 16:38:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:38:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:38:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:38:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:38:17,521 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:38:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:38:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:38:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:38:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:38:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:38:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:38:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:38:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:38:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:38:17,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:38:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:38:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:38:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:38:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:38:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:38:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:38:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:38:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:38:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:38:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:38:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:38:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:38:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:38:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:38:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:38:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:38:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:38:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:38:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:38:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:38:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:38:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:38:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:38:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:38:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:38:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:38:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:38:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:38:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:38:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:38:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:38:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:38:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:38:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:38:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:38:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:38:17,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:38:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:38:17,533 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:38:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:38:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:38:17,534 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:38:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:38:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:38:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:38:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:38:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:38:17,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:38:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:38:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:38:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:38:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:38:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:38:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:38:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:38:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:38:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:38:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:38:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:38:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:38:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:38:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:38:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:38:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:38:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:38:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:38:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:38:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:38:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:38:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:38:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:38:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:38:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:38:18,992 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:38:18,992 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:38:18,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:38:18 BoogieIcfgContainer [2020-10-28 16:38:18,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:38:18,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:38:18,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:38:19,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:38:19,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:38:16" (1/3) ... [2020-10-28 16:38:19,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218291c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:38:19, skipping insertion in model container [2020-10-28 16:38:19,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:38:17" (2/3) ... [2020-10-28 16:38:19,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@218291c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:38:19, skipping insertion in model container [2020-10-28 16:38:19,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:38:18" (3/3) ... [2020-10-28 16:38:19,005 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2020-10-28 16:38:19,019 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:38:19,025 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:38:19,076 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:38:19,107 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:38:19,107 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:38:19,107 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:38:19,107 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:38:19,108 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:38:19,108 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:38:19,108 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:38:19,108 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:38:19,132 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-10-28 16:38:19,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:38:19,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:19,142 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] [2020-10-28 16:38:19,143 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:19,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:19,150 INFO L82 PathProgramCache]: Analyzing trace with hash -518786139, now seen corresponding path program 1 times [2020-10-28 16:38:19,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:19,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135313187] [2020-10-28 16:38:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:19,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:19,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:20,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:21,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:22,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:24,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:24,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:38:24,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:38:24,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:38:24,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:24,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:24,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:24,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:38:24,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:38:25,147 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:25,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:25,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:25,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:25,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:25,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:25,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 16:38:25,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:25,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:25,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:25,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:25,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:25,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:25,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:25,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:25,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:25,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:25,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:25,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:25,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:25,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:25,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:25,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:25,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:25,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:25,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:25,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:25,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:25,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:25,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:25,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:25,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:25,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:25,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:25,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:25,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:25,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:25,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:25,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:25,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:25,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:25,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:25,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:25,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:25,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:25,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:25,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:25,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:38:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:25,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:25,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:25,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:25,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:25,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:25,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:25,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:25,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:25,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:25,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:38:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:25,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:25,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:25,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:25,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:25,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:25,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:25,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:25,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:25,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:25,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135313187] [2020-10-28 16:38:25,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:25,306 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:38:25,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636969188] [2020-10-28 16:38:25,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:38:25,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:25,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:38:25,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:38:25,334 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 3 states. [2020-10-28 16:38:27,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:38:27,158 INFO L93 Difference]: Finished difference Result 256 states and 342 transitions. [2020-10-28 16:38:27,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:38:27,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:38:27,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:38:27,172 INFO L225 Difference]: With dead ends: 256 [2020-10-28 16:38:27,173 INFO L226 Difference]: Without dead ends: 138 [2020-10-28 16:38:27,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:38:27,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-28 16:38:27,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 106. [2020-10-28 16:38:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 16:38:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 125 transitions. [2020-10-28 16:38:27,262 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 125 transitions. Word has length 47 [2020-10-28 16:38:27,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:38:27,262 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 125 transitions. [2020-10-28 16:38:27,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:38:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 125 transitions. [2020-10-28 16:38:27,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:38:27,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:27,266 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] [2020-10-28 16:38:27,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:38:27,267 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:27,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:27,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1237560408, now seen corresponding path program 1 times [2020-10-28 16:38:27,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:27,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980673530] [2020-10-28 16:38:27,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:27,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:27,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:29,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:29,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:38:32,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:38:32,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-28 16:38:32,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:32,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:38:32,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:38:32,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:32,715 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:32,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:32,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:32,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:32,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:38:32,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:32,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:32,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:32,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:32,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:32,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:32,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:32,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:32,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:32,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:38:32,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:32,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:32,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:32,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:38:32,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:32,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:32,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:32,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:32,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:32,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:32,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:32,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:32,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:32,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:32,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:32,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:32,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:32,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:32,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:32,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:32,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:32,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:38:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:32,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:32,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:32,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:32,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:32,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:38:32,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:38:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:32,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:32,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:32,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:32,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:32,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:32,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980673530] [2020-10-28 16:38:32,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:32,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:38:32,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271787615] [2020-10-28 16:38:32,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:38:32,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:32,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:38:32,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:38:32,846 INFO L87 Difference]: Start difference. First operand 106 states and 125 transitions. Second operand 4 states. [2020-10-28 16:38:33,510 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:38:34,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:38:34,313 INFO L93 Difference]: Finished difference Result 180 states and 221 transitions. [2020-10-28 16:38:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:38:34,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:38:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:38:34,317 INFO L225 Difference]: With dead ends: 180 [2020-10-28 16:38:34,317 INFO L226 Difference]: Without dead ends: 122 [2020-10-28 16:38:34,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:38:34,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-28 16:38:34,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 97. [2020-10-28 16:38:34,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-28 16:38:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2020-10-28 16:38:34,365 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 48 [2020-10-28 16:38:34,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:38:34,366 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2020-10-28 16:38:34,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:38:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2020-10-28 16:38:34,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:38:34,368 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:34,368 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] [2020-10-28 16:38:34,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:38:34,369 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:34,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:34,369 INFO L82 PathProgramCache]: Analyzing trace with hash 359962141, now seen corresponding path program 1 times [2020-10-28 16:38:34,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:34,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722551758] [2020-10-28 16:38:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:34,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:35,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:36,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:36,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:36,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 16:38:36,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:38:36,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2547 [2020-10-28 16:38:36,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:36,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:38:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:36,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 16:38:36,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:37,378 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:37,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:37,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:37,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:37,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 16:38:37,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:37,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:37,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:38:37,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:37,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:37,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:37,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:37,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:37,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:37,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:38:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:37,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:37,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:37,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:37,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:38:37,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:37,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:37,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:37,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:38:37,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:38:37,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:37,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:37,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:37,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:38:37,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:37,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:37,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:38:37,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:37,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:37,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:37,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:37,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:38:37,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:37,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:38:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:37,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:38:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:37,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:37,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:37,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:37,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:37,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:37,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:37,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:37,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:38:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:37,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:37,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:37,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:37,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:37,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:37,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:37,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:38:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:37,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:37,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722551758] [2020-10-28 16:38:37,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:37,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:38:37,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617294522] [2020-10-28 16:38:37,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:38:37,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:37,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:38:37,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:38:37,604 INFO L87 Difference]: Start difference. First operand 97 states and 113 transitions. Second operand 4 states. [2020-10-28 16:38:38,090 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:38:39,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:38:39,572 INFO L93 Difference]: Finished difference Result 278 states and 347 transitions. [2020-10-28 16:38:39,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:38:39,574 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:38:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:38:39,578 INFO L225 Difference]: With dead ends: 278 [2020-10-28 16:38:39,581 INFO L226 Difference]: Without dead ends: 205 [2020-10-28 16:38:39,582 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:38:39,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-28 16:38:39,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 163. [2020-10-28 16:38:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-28 16:38:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 196 transitions. [2020-10-28 16:38:39,667 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 196 transitions. Word has length 52 [2020-10-28 16:38:39,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:38:39,667 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 196 transitions. [2020-10-28 16:38:39,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:38:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 196 transitions. [2020-10-28 16:38:39,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:38:39,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:38:39,671 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:38:39,671 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:38:39,671 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:38:39,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:38:39,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1000508292, now seen corresponding path program 1 times [2020-10-28 16:38:39,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:38:39,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1036624871] [2020-10-28 16:38:39,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:38:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:39,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:40,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:40,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:41,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:38:43,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:38:43,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3438 [2020-10-28 16:38:43,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:38:43,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:38:43,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:38:43,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,606 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:43,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:38:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:43,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 16:38:43,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:43,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:38:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:43,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:38:43,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:43,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:38:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:43,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:38:43,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:38:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:43,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:43,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:43,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:38:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:38:43,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:38:43,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:38:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:38:43,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:38:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:38:43,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:38:43,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:38:43,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:38:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:43,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:38:43,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:38:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:38:43,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:38:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:38:43,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:38:43,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:38:43,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:38:43,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:38:43,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:38:43,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:38:43,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:38:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:38:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:38:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:38:43,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:38:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:38:43,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1036624871] [2020-10-28 16:38:43,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:38:43,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:38:43,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246719946] [2020-10-28 16:38:43,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:38:43,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:38:43,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:38:43,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:38:43,785 INFO L87 Difference]: Start difference. First operand 163 states and 196 transitions. Second operand 8 states. [2020-10-28 16:38:44,377 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:38:45,579 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:38:46,051 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:38:46,462 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:38:46,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:38:46,738 INFO L93 Difference]: Finished difference Result 283 states and 357 transitions. [2020-10-28 16:38:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 16:38:46,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 16:38:46,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:38:46,739 INFO L225 Difference]: With dead ends: 283 [2020-10-28 16:38:46,739 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:38:46,742 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:38:46,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:38:46,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:38:46,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:38:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:38:46,743 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-28 16:38:46,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:38:46,744 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:38:46,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:38:46,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:38:46,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:38:46,744 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:38:46,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:38:48,804 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:38:49,094 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:49,388 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:38:49,700 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:49,952 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:50,480 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:38:50,826 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:38:51,364 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:38:51,639 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:38:52,166 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:38:52,737 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 10 [2020-10-28 16:38:53,032 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:53,327 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:53,598 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:38:54,150 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 9 [2020-10-28 16:38:54,449 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:54,721 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:38:55,226 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 13 [2020-10-28 16:38:55,517 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:55,813 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-28 16:38:56,085 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:38:56,416 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-28 16:38:56,977 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 13 [2020-10-28 16:38:56,997 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:38:56,997 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:38:56,997 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point L603(lines 603 607) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point L603-1(lines 603 607) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point L597-2(lines 597 618) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 572 627) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point L619(lines 596 620) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 572 627) no Hoare annotation was computed. [2020-10-28 16:38:56,998 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 572 627) no Hoare annotation was computed. [2020-10-28 16:38:56,999 INFO L274 CegarLoopResult]: For program point L673(line 673) no Hoare annotation was computed. [2020-10-28 16:38:56,999 INFO L274 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-10-28 16:38:56,999 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 628 687) no Hoare annotation was computed. [2020-10-28 16:38:56,999 INFO L274 CegarLoopResult]: For program point L660(lines 660 664) no Hoare annotation was computed. [2020-10-28 16:38:56,999 INFO L274 CegarLoopResult]: For program point L660-1(lines 660 664) no Hoare annotation was computed. [2020-10-28 16:38:57,000 INFO L274 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-10-28 16:38:57,000 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 628 687) no Hoare annotation was computed. [2020-10-28 16:38:57,000 INFO L274 CegarLoopResult]: For program point L654-2(lines 654 679) no Hoare annotation was computed. [2020-10-28 16:38:57,000 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 628 687) no Hoare annotation was computed. [2020-10-28 16:38:57,000 INFO L274 CegarLoopResult]: For program point L680(lines 653 681) no Hoare annotation was computed. [2020-10-28 16:38:57,001 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 407 413) the Hoare annotation is: true [2020-10-28 16:38:57,001 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 407 413) no Hoare annotation was computed. [2020-10-28 16:38:57,001 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 414 422) no Hoare annotation was computed. [2020-10-28 16:38:57,001 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 414 422) the Hoare annotation is: true [2020-10-28 16:38:57,001 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 414 422) no Hoare annotation was computed. [2020-10-28 16:38:57,002 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 496 518) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,002 INFO L270 CegarLoopResult]: At program point L508(line 508) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,002 INFO L270 CegarLoopResult]: At program point L508-1(line 508) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,002 INFO L274 CegarLoopResult]: For program point L506(lines 506 513) no Hoare annotation was computed. [2020-10-28 16:38:57,002 INFO L274 CegarLoopResult]: For program point L506-1(lines 506 513) no Hoare annotation was computed. [2020-10-28 16:38:57,003 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 496 518) no Hoare annotation was computed. [2020-10-28 16:38:57,003 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-28 16:38:57,003 INFO L270 CegarLoopResult]: At program point L503(line 503) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,003 INFO L270 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,003 INFO L270 CegarLoopResult]: At program point L502-1(line 502) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,003 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 496 518) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 455 478) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 455 478) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 455 478) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-28 16:38:57,004 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-28 16:38:57,005 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-28 16:38:57,006 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 302 316) no Hoare annotation was computed. [2020-10-28 16:38:57,006 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 302 316) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,006 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 302 316) no Hoare annotation was computed. [2020-10-28 16:38:57,006 INFO L270 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,006 INFO L274 CegarLoopResult]: For program point L306(lines 306 312) no Hoare annotation was computed. [2020-10-28 16:38:57,006 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 257 265) no Hoare annotation was computed. [2020-10-28 16:38:57,006 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 257 265) the Hoare annotation is: true [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 257 265) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point L285(lines 285 293) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point L285-2(lines 285 293) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point L273-2(lines 273 281) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 266 301) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point L296(line 296) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point L296-1(line 296) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 266 301) no Hoare annotation was computed. [2020-10-28 16:38:57,007 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 266 301) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 400 406) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 400 406) the Hoare annotation is: true [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 526 571) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 526 571) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 526 571) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point L863(lines 863 864) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point L859(lines 859 866) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 839 884) no Hoare annotation was computed. [2020-10-28 16:38:57,008 INFO L274 CegarLoopResult]: For program point L853(lines 853 873) no Hoare annotation was computed. [2020-10-28 16:38:57,009 INFO L274 CegarLoopResult]: For program point L853-1(lines 853 873) no Hoare annotation was computed. [2020-10-28 16:38:57,009 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 863 864) no Hoare annotation was computed. [2020-10-28 16:38:57,009 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 870 871) no Hoare annotation was computed. [2020-10-28 16:38:57,009 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 839 884) no Hoare annotation was computed. [2020-10-28 16:38:57,009 INFO L274 CegarLoopResult]: For program point L870(lines 870 871) no Hoare annotation was computed. [2020-10-28 16:38:57,009 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 839 884) no Hoare annotation was computed. [2020-10-28 16:38:57,009 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 486 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,010 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 486 495) no Hoare annotation was computed. [2020-10-28 16:38:57,010 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 486 495) no Hoare annotation was computed. [2020-10-28 16:38:57,010 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 246 256) the Hoare annotation is: true [2020-10-28 16:38:57,010 INFO L277 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: true [2020-10-28 16:38:57,010 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 246 256) no Hoare annotation was computed. [2020-10-28 16:38:57,010 INFO L274 CegarLoopResult]: For program point L251-1(line 251) no Hoare annotation was computed. [2020-10-28 16:38:57,010 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 246 256) no Hoare annotation was computed. [2020-10-28 16:38:57,010 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 238 245) the Hoare annotation is: true [2020-10-28 16:38:57,010 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 238 245) no Hoare annotation was computed. [2020-10-28 16:38:57,011 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 238 245) no Hoare annotation was computed. [2020-10-28 16:38:57,011 INFO L270 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:38:57,011 INFO L274 CegarLoopResult]: For program point L224-1(lines 205 229) no Hoare annotation was computed. [2020-10-28 16:38:57,011 INFO L270 CegarLoopResult]: At program point L219(line 219) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,011 INFO L270 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,011 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 205 229) no Hoare annotation was computed. [2020-10-28 16:38:57,011 INFO L274 CegarLoopResult]: For program point L213(lines 213 221) no Hoare annotation was computed. [2020-10-28 16:38:57,011 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 205 229) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-28 16:38:57,012 INFO L270 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,012 INFO L274 CegarLoopResult]: For program point L211-1(line 211) no Hoare annotation was computed. [2020-10-28 16:38:57,012 INFO L274 CegarLoopResult]: For program point L209(lines 209 226) no Hoare annotation was computed. [2020-10-28 16:38:57,012 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 197 203) no Hoare annotation was computed. [2020-10-28 16:38:57,012 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 197 203) the Hoare annotation is: true [2020-10-28 16:38:57,012 INFO L270 CegarLoopResult]: At program point testENTRY(lines 319 384) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-28 16:38:57,012 INFO L270 CegarLoopResult]: At program point L351(line 351) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:38:57,013 INFO L274 CegarLoopResult]: For program point L349(lines 349 355) no Hoare annotation was computed. [2020-10-28 16:38:57,013 INFO L274 CegarLoopResult]: For program point L349-1(lines 349 355) no Hoare annotation was computed. [2020-10-28 16:38:57,013 INFO L274 CegarLoopResult]: For program point testFINAL(lines 319 384) no Hoare annotation was computed. [2020-10-28 16:38:57,013 INFO L270 CegarLoopResult]: At program point L374(lines 329 376) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:38:57,013 INFO L270 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:38:57,013 INFO L274 CegarLoopResult]: For program point L339(lines 339 345) no Hoare annotation was computed. [2020-10-28 16:38:57,013 INFO L274 CegarLoopResult]: For program point L339-1(lines 339 345) no Hoare annotation was computed. [2020-10-28 16:38:57,013 INFO L274 CegarLoopResult]: For program point L331(lines 331 335) no Hoare annotation was computed. [2020-10-28 16:38:57,014 INFO L270 CegarLoopResult]: At program point L377(lines 328 378) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,014 INFO L270 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:38:57,014 INFO L274 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2020-10-28 16:38:57,014 INFO L270 CegarLoopResult]: At program point L365-1(lines 359 372) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-28 16:38:57,014 INFO L274 CegarLoopResult]: For program point L330(lines 329 376) no Hoare annotation was computed. [2020-10-28 16:38:57,014 INFO L274 CegarLoopResult]: For program point L359(lines 359 372) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point testEXIT(lines 319 384) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 817 818) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 824 825) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 793 838) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point L824(lines 824 825) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 793 838) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point L817(lines 817 818) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 793 838) no Hoare annotation was computed. [2020-10-28 16:38:57,015 INFO L274 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point L807(lines 807 827) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 390 399) no Hoare annotation was computed. [2020-10-28 16:38:57,016 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 390 399) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 390 399) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point L739-2(lines 739 759) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 690 792) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point L760(lines 738 761) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point L719(lines 719 735) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 690 792) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point L740(lines 739 759) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-10-28 16:38:57,017 INFO L274 CegarLoopResult]: For program point L771-1(line 771) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point L736(lines 736 777) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 690 792) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point L778(lines 778 789) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point L741(lines 741 745) no Hoare annotation was computed. [2020-10-28 16:38:57,018 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:38:57,019 INFO L270 CegarLoopResult]: 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)|)) [2020-10-28 16:38:57,019 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:38:57,019 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2020-10-28 16:38:57,019 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2020-10-28 16:38:57,019 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 230 237) no Hoare annotation was computed. [2020-10-28 16:38:57,019 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L274 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:38:57,020 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:38:57,020 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-10-28 16:38:57,021 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:38:57,021 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-28 16:38:57,021 INFO L270 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,021 INFO L270 CegarLoopResult]: 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)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,021 INFO L270 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,021 INFO L274 CegarLoopResult]: For program point L177(lines 176 195) no Hoare annotation was computed. [2020-10-28 16:38:57,021 INFO L270 CegarLoopResult]: 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)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-28 16:38:57,022 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 173 196) no Hoare annotation was computed. [2020-10-28 16:38:57,022 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 173 196) no Hoare annotation was computed. [2020-10-28 16:38:57,022 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 425 454) no Hoare annotation was computed. [2020-10-28 16:38:57,022 INFO L274 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-10-28 16:38:57,022 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 425 454) the Hoare annotation is: true [2020-10-28 16:38:57,022 INFO L274 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-10-28 16:38:57,022 INFO L277 CegarLoopResult]: At program point L439-1(lines 439 443) the Hoare annotation is: true [2020-10-28 16:38:57,022 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-28 16:38:57,022 INFO L277 CegarLoopResult]: At program point L435-2(lines 435 449) the Hoare annotation is: true [2020-10-28 16:38:57,022 INFO L277 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: true [2020-10-28 16:38:57,023 INFO L274 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-10-28 16:38:57,023 INFO L277 CegarLoopResult]: At program point L450(lines 425 454) the Hoare annotation is: true [2020-10-28 16:38:57,023 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2020-10-28 16:38:57,023 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:38:57,023 INFO L274 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-28 16:38:57,023 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 479 485) no Hoare annotation was computed. [2020-10-28 16:38:57,023 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 479 485) the Hoare annotation is: true [2020-10-28 16:38:57,023 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:38:57,023 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 16:38:57,023 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:38:57,024 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:38:57,024 INFO L274 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:38:57,024 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-28 16:38:57,024 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:38:57,024 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-28 16:38:57,024 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 156 163) no Hoare annotation was computed. [2020-10-28 16:38:57,024 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 156 163) the Hoare annotation is: true [2020-10-28 16:38:57,024 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 156 163) no Hoare annotation was computed. [2020-10-28 16:38:57,024 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 130 154) the Hoare annotation is: true [2020-10-28 16:38:57,025 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 130 154) no Hoare annotation was computed. [2020-10-28 16:38:57,025 INFO L270 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) [2020-10-28 16:38:57,025 INFO L274 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2020-10-28 16:38:57,025 INFO L277 CegarLoopResult]: At program point L140(line 140) the Hoare annotation is: true [2020-10-28 16:38:57,025 INFO L274 CegarLoopResult]: For program point L140-1(line 140) no Hoare annotation was computed. [2020-10-28 16:38:57,025 INFO L274 CegarLoopResult]: For program point L138(lines 138 151) no Hoare annotation was computed. [2020-10-28 16:38:57,025 INFO L274 CegarLoopResult]: For program point L138-1(lines 130 154) no Hoare annotation was computed. [2020-10-28 16:38:57,025 INFO L277 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: true [2020-10-28 16:38:57,025 INFO L274 CegarLoopResult]: For program point L136-1(line 136) no Hoare annotation was computed. [2020-10-28 16:38:57,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:38:57 BoogieIcfgContainer [2020-10-28 16:38:57,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:38:57,054 INFO L168 Benchmark]: Toolchain (without parser) took 40432.61 ms. Allocated memory was 151.0 MB in the beginning and 574.6 MB in the end (delta: 423.6 MB). Free memory was 124.9 MB in the beginning and 260.7 MB in the end (delta: -135.9 MB). Peak memory consumption was 342.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:38:57,055 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:38:57,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.55 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 104.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:38:57,065 INFO L168 Benchmark]: Boogie Preprocessor took 119.27 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:38:57,065 INFO L168 Benchmark]: RCFGBuilder took 1630.34 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 49.9 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:38:57,066 INFO L168 Benchmark]: TraceAbstraction took 38053.56 ms. Allocated memory was 151.0 MB in the beginning and 574.6 MB in the end (delta: 423.6 MB). Free memory was 49.9 MB in the beginning and 260.7 MB in the end (delta: -210.8 MB). Peak memory consumption was 267.8 MB. Max. memory is 8.0 GB. [2020-10-28 16:38:57,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 610.55 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 104.1 MB in the end (delta: 20.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 119.27 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1630.34 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 49.9 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 38053.56 ms. Allocated memory was 151.0 MB in the beginning and 574.6 MB in the end (delta: 423.6 MB). Free memory was 49.9 MB in the beginning and 260.7 MB in the end (delta: -210.8 MB). Peak memory consumption was 267.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 824]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 817]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 870]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 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)) || !(0 <= \old(pumpRunning))) || ((splverifierCounter <= 0 && 0 <= pumpRunning) && pumpRunning <= 0) - InvariantResult [Line: 425]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 222 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 374 SDtfs, 426 SDslu, 148 SDs, 0 SdLazy, 737 SolverSat, 257 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 99 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 229 PreInvPairs, 252 NumberOfFragments, 736 HoareAnnotationTreeSize, 229 FomulaSimplifications, 9244 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 52 FomulaSimplificationsInter, 8630 FormulaSimplificationTreeSizeReductionInter, 8.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 58684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...