/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:23:33,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:23:33,882 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:23:33,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:23:33,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:23:33,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:23:33,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:23:33,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:23:33,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:23:33,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:23:33,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:23:33,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:23:33,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:23:33,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:23:33,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:23:33,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:23:33,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:23:33,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:23:33,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:23:33,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:23:33,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:23:33,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:23:33,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:23:33,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:23:34,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:23:34,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:23:34,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:23:34,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:23:34,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:23:34,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:23:34,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:23:34,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:23:34,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:23:34,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:23:34,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:23:34,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:23:34,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:23:34,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:23:34,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:23:34,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:23:34,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:23:34,037 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 [2020-10-29 11:23:34,084 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:23:34,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:23:34,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:23:34,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:23:34,089 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:23:34,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:23:34,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:23:34,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:23:34,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:23:34,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:23:34,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:23:34,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:23:34,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:23:34,092 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:23:34,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:23:34,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:23:34,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:23:34,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:23:34,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:23:34,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:23:34,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:23:34,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:23:34,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:23:34,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:23:34,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:23:34,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:23:34,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:23:34,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:23:34,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:23:34,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:23:34,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:23:34,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:23:34,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:23:34,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:23:34,519 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:23:34,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-10-29 11:23:34,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c8d30850/f0985f7640a5406f9755e029b54c3b10/FLAG01ac90e8f [2020-10-29 11:23:35,288 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:23:35,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-10-29 11:23:35,319 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c8d30850/f0985f7640a5406f9755e029b54c3b10/FLAG01ac90e8f [2020-10-29 11:23:35,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0c8d30850/f0985f7640a5406f9755e029b54c3b10 [2020-10-29 11:23:35,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:23:35,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:23:35,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:23:35,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:23:35,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:23:35,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:23:35" (1/1) ... [2020-10-29 11:23:35,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c5bef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:35, skipping insertion in model container [2020-10-29 11:23:35,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:23:35" (1/1) ... [2020-10-29 11:23:35,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:23:35,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:23:36,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:23:36,165 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:23:36,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:23:36,292 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:23:36,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36 WrapperNode [2020-10-29 11:23:36,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:23:36,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:23:36,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:23:36,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:23:36,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (1/1) ... [2020-10-29 11:23:36,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (1/1) ... [2020-10-29 11:23:36,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (1/1) ... [2020-10-29 11:23:36,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (1/1) ... [2020-10-29 11:23:36,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (1/1) ... [2020-10-29 11:23:36,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (1/1) ... [2020-10-29 11:23:36,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (1/1) ... [2020-10-29 11:23:36,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:23:36,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:23:36,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:23:36,388 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:23:36,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (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 [2020-10-29 11:23:36,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:23:36,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:23:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:23:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:23:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:23:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:23:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:23:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:23:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:23:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:23:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:23:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:23:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:23:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:23:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:23:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:23:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:23:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:23:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:23:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:23:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:23:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:23:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:23:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-29 11:23:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:23:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:23:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:23:36,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:23:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:23:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:23:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:23:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:23:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:23:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:23:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:23:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:23:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:23:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:23:36,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:23:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:23:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:23:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:23:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:23:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:23:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:23:36,487 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:23:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:23:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:23:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:23:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:23:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:23:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:23:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:23:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:23:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:23:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:23:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:23:36,489 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:23:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:23:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:23:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:23:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:23:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:23:36,490 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:23:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:23:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:23:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:23:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:23:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-29 11:23:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:23:36,491 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:23:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:23:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:23:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:23:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:23:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:23:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:23:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:23:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:23:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:23:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:23:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:23:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:23:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:23:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:23:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:23:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:23:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:23:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:23:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:23:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:23:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:23:37,669 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:23:37,670 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:23:37,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:23:37 BoogieIcfgContainer [2020-10-29 11:23:37,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:23:37,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:23:37,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:23:37,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:23:37,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:23:35" (1/3) ... [2020-10-29 11:23:37,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fa73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:23:37, skipping insertion in model container [2020-10-29 11:23:37,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:23:36" (2/3) ... [2020-10-29 11:23:37,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28fa73f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:23:37, skipping insertion in model container [2020-10-29 11:23:37,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:23:37" (3/3) ... [2020-10-29 11:23:37,687 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-10-29 11:23:37,699 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:23:37,705 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:23:37,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:23:37,762 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:23:37,762 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:23:37,762 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:23:37,763 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:23:37,763 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:23:37,764 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:23:37,764 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:23:37,764 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:23:37,794 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-10-29 11:23:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:23:37,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:23:37,810 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] [2020-10-29 11:23:37,811 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]=== [2020-10-29 11:23:37,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:23:37,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1321596604, now seen corresponding path program 1 times [2020-10-29 11:23:37,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:23:37,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001731348] [2020-10-29 11:23:37,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:23:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:38,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:38,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:40,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:41,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:23:43,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:23:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 11:23:43,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:23:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:43,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:23:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 11:23:43,588 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:23:43,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:23:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:43,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:43,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:43,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-29 11:23:43,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:43,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:23:43,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:43,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:23:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:43,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:43,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:43,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:23:43,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:43,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:23:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:43,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:43,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:43,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:23:43,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:43,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:43,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:23:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:43,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:43,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:43,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:23:43,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:43,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:43,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:43,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:43,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:23:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:43,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:43,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:43,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:23:43,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:43,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:43,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:23:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:43,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:43,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:23:43,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:43,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:23:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:43,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:43,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:43,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:43,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:43,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:43,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:43,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:43,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:43,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:23:43,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001731348] [2020-10-29 11:23:43,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:23:43,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:23:43,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324327103] [2020-10-29 11:23:43,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:23:43,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:23:43,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:23:43,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:23:43,970 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 4 states. [2020-10-29 11:23:44,523 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:23:45,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:23:45,677 INFO L93 Difference]: Finished difference Result 261 states and 343 transitions. [2020-10-29 11:23:45,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:23:45,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:23:45,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:23:45,695 INFO L225 Difference]: With dead ends: 261 [2020-10-29 11:23:45,695 INFO L226 Difference]: Without dead ends: 140 [2020-10-29 11:23:45,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:23:45,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-10-29 11:23:45,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2020-10-29 11:23:45,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-29 11:23:45,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 125 transitions. [2020-10-29 11:23:45,800 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 125 transitions. Word has length 47 [2020-10-29 11:23:45,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:23:45,801 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 125 transitions. [2020-10-29 11:23:45,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:23:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 125 transitions. [2020-10-29 11:23:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 11:23:45,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:23:45,805 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] [2020-10-29 11:23:45,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:23:45,806 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]=== [2020-10-29 11:23:45,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:23:45,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1193402015, now seen corresponding path program 1 times [2020-10-29 11:23:45,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:23:45,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863898269] [2020-10-29 11:23:45,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:23:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:45,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:45,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:47,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:47,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:47,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:50,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:50,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-29 11:23:50,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:23:50,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 11:23:50,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:50,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:23:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:50,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 11:23:50,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:51,247 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:23:51,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:23:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:51,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-29 11:23:51,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:23:51,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:23:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:51,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:51,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:51,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:51,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:51,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:23:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:51,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:51,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:23:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:51,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:23:51,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:51,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:51,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:23:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:51,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:23:51,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:51,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:51,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 11:23:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:23:51,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:23:51,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:51,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:23:51,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:23:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:51,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:51,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:51,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:51,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 11:23:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:51,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:23:51,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:23:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:51,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 11:23:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:51,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:51,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:51,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:51,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:51,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:51,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:51,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:51,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:23:51,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:51,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:23:51,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:23:51,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863898269] [2020-10-29 11:23:51,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:23:51,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:23:51,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307907730] [2020-10-29 11:23:51,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:23:51,539 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:23:51,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:23:51,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:23:51,541 INFO L87 Difference]: Start difference. First operand 109 states and 125 transitions. Second operand 8 states. [2020-10-29 11:23:52,114 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:23:53,336 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:53,710 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:54,079 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:23:54,604 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:23:55,016 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:23:56,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:23:56,273 INFO L93 Difference]: Finished difference Result 365 states and 494 transitions. [2020-10-29 11:23:56,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:23:56,274 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-29 11:23:56,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:23:56,280 INFO L225 Difference]: With dead ends: 365 [2020-10-29 11:23:56,281 INFO L226 Difference]: Without dead ends: 257 [2020-10-29 11:23:56,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:23:56,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-29 11:23:56,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 175. [2020-10-29 11:23:56,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-29 11:23:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 203 transitions. [2020-10-29 11:23:56,392 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 203 transitions. Word has length 56 [2020-10-29 11:23:56,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:23:56,393 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 203 transitions. [2020-10-29 11:23:56,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:23:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 203 transitions. [2020-10-29 11:23:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-29 11:23:56,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:23:56,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:23:56,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:23:56,397 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]=== [2020-10-29 11:23:56,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:23:56,397 INFO L82 PathProgramCache]: Analyzing trace with hash 2085702366, now seen corresponding path program 1 times [2020-10-29 11:23:56,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:23:56,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519297139] [2020-10-29 11:23:56,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:23:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:56,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:56,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-29 11:23:58,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:23:58,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1761 [2020-10-29 11:23:58,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:23:58,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:23:58,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 11:23:58,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,569 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:23:58,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:23:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:58,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 11:23:58,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:23:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:58,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:23:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:58,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:58,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:58,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:23:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:58,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:58,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:58,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:23:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:58,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:23:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:58,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:23:58,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:58,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:58,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:23:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:58,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:58,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:58,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:23:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:23:58,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:23:58,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:23:58,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:23:58,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:23:58,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:23:58,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:23:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:23:58,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:58,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:23:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:23:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:58,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:23:58,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:23:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:58,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:23:58,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-29 11:23:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:23:58,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:23:58,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:23:58,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:23:58,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:23:58,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 11:23:58,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:23:58,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:23:58,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:23:58,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:23:58,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:23:58,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:23:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:23:58,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519297139] [2020-10-29 11:23:58,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:23:58,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 11:23:58,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383418617] [2020-10-29 11:23:58,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:23:58,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:23:58,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:23:58,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:23:58,840 INFO L87 Difference]: Start difference. First operand 175 states and 203 transitions. Second operand 10 states. [2020-10-29 11:23:59,422 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:24:00,337 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:00,674 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:24:01,050 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:24:01,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:24:01,341 INFO L93 Difference]: Finished difference Result 310 states and 385 transitions. [2020-10-29 11:24:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 11:24:01,342 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2020-10-29 11:24:01,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:24:01,343 INFO L225 Difference]: With dead ends: 310 [2020-10-29 11:24:01,343 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:24:01,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2020-10-29 11:24:01,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:24:01,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:24:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:24:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:24:01,346 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2020-10-29 11:24:01,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:24:01,346 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:24:01,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:24:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:24:01,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:24:01,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:24:01,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:24:04,228 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:24:04,457 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:04,674 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:04,886 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:05,106 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-10-29 11:24:05,565 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-29 11:24:05,969 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-10-29 11:24:06,358 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2020-10-29 11:24:06,554 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:06,747 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-29 11:24:06,976 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:24:07,585 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-29 11:24:08,011 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2020-10-29 11:24:08,605 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-29 11:24:08,796 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:09,026 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:09,229 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2020-10-29 11:24:09,662 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-29 11:24:09,978 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:10,227 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:10,654 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 15 [2020-10-29 11:24:10,861 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:11,057 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-10-29 11:24:11,252 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:11,468 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-10-29 11:24:12,023 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 20 [2020-10-29 11:24:12,048 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 11:24:12,048 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-29 11:24:12,048 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 11:24:12,049 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 11:24:12,049 INFO L274 CegarLoopResult]: For program point L542(lines 519 543) no Hoare annotation was computed. [2020-10-29 11:24:12,049 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 495 550) no Hoare annotation was computed. [2020-10-29 11:24:12,049 INFO L274 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-10-29 11:24:12,049 INFO L274 CegarLoopResult]: For program point L526-1(lines 526 530) no Hoare annotation was computed. [2020-10-29 11:24:12,049 INFO L274 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-10-29 11:24:12,049 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 495 550) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point L520-2(lines 520 541) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 495 550) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point L577-2(lines 577 602) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point L603(lines 576 604) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 551 610) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point L596-1(line 596) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 551 610) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 551 610) no Hoare annotation was computed. [2020-10-29 11:24:12,050 INFO L274 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-10-29 11:24:12,051 INFO L274 CegarLoopResult]: For program point L583-1(lines 583 587) no Hoare annotation was computed. [2020-10-29 11:24:12,051 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-29 11:24:12,051 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 92 98) the Hoare annotation is: true [2020-10-29 11:24:12,051 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 92 98) no Hoare annotation was computed. [2020-10-29 11:24:12,051 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 99 107) no Hoare annotation was computed. [2020-10-29 11:24:12,051 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 99 107) the Hoare annotation is: true [2020-10-29 11:24:12,051 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 99 107) no Hoare annotation was computed. [2020-10-29 11:24:12,051 INFO L270 CegarLoopResult]: At program point L193(line 193) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,051 INFO L270 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,051 INFO L270 CegarLoopResult]: At program point L192-1(line 192) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,052 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 186 208) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,052 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 186 208) no Hoare annotation was computed. [2020-10-29 11:24:12,052 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 186 208) no Hoare annotation was computed. [2020-10-29 11:24:12,052 INFO L270 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,052 INFO L270 CegarLoopResult]: At program point L198-1(line 198) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,052 INFO L274 CegarLoopResult]: For program point L196(lines 196 203) no Hoare annotation was computed. [2020-10-29 11:24:12,052 INFO L274 CegarLoopResult]: For program point L196-1(lines 196 203) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 11:24:12,053 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 11:24:12,054 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 303 311) no Hoare annotation was computed. [2020-10-29 11:24:12,055 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 303 311) the Hoare annotation is: true [2020-10-29 11:24:12,055 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 303 311) no Hoare annotation was computed. [2020-10-29 11:24:12,055 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 348 366) the Hoare annotation is: true [2020-10-29 11:24:12,055 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 348 366) no Hoare annotation was computed. [2020-10-29 11:24:12,055 INFO L274 CegarLoopResult]: For program point L357(lines 357 361) no Hoare annotation was computed. [2020-10-29 11:24:12,055 INFO L277 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: true [2020-10-29 11:24:12,055 INFO L274 CegarLoopResult]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2020-10-29 11:24:12,055 INFO L274 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-10-29 11:24:12,055 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 348 366) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point L319(lines 319 327) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point L319-2(lines 319 327) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point L342(line 342) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point L342-1(line 342) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 312 347) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point L331(lines 331 339) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point L331-2(lines 331 339) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 312 347) no Hoare annotation was computed. [2020-10-29 11:24:12,056 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 312 347) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 85 91) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 85 91) the Hoare annotation is: true [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 449 494) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 449 494) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 449 494) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 762 807) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point L793(lines 793 794) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point L786(lines 786 787) no Hoare annotation was computed. [2020-10-29 11:24:12,057 INFO L274 CegarLoopResult]: For program point L782(lines 782 789) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 786 787) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 793 794) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 762 807) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point L776(lines 776 796) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point L776-1(lines 776 796) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 762 807) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 176 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 176 185) no Hoare annotation was computed. [2020-10-29 11:24:12,058 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 176 185) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 292 302) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 292 302) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point L297(line 297) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 292 302) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 284 291) the Hoare annotation is: true [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 284 291) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 284 291) no Hoare annotation was computed. [2020-10-29 11:24:12,059 INFO L270 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,059 INFO L274 CegarLoopResult]: For program point L257-1(line 257) no Hoare annotation was computed. [2020-10-29 11:24:12,060 INFO L274 CegarLoopResult]: For program point L255(lines 255 272) no Hoare annotation was computed. [2020-10-29 11:24:12,060 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 251 275) no Hoare annotation was computed. [2020-10-29 11:24:12,060 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 251 275) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,060 INFO L270 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,060 INFO L274 CegarLoopResult]: For program point L270-1(lines 251 275) no Hoare annotation was computed. [2020-10-29 11:24:12,060 INFO L270 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,060 INFO L270 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,060 INFO L274 CegarLoopResult]: For program point L259(lines 259 267) no Hoare annotation was computed. [2020-10-29 11:24:12,060 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 243 249) no Hoare annotation was computed. [2020-10-29 11:24:12,061 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 243 249) the Hoare annotation is: true [2020-10-29 11:24:12,061 INFO L270 CegarLoopResult]: At program point testENTRY(lines 376 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-29 11:24:12,061 INFO L274 CegarLoopResult]: For program point testFINAL(lines 376 441) no Hoare annotation was computed. [2020-10-29 11:24:12,061 INFO L270 CegarLoopResult]: At program point L434(lines 385 435) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) .cse0) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (= ~pumpRunning~0 0)))) [2020-10-29 11:24:12,061 INFO L274 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-10-29 11:24:12,061 INFO L270 CegarLoopResult]: At program point L424-2(lines 416 429) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:12,061 INFO L274 CegarLoopResult]: For program point L387(lines 386 433) no Hoare annotation was computed. [2020-10-29 11:24:12,062 INFO L270 CegarLoopResult]: At program point L418(line 418) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:12,062 INFO L274 CegarLoopResult]: For program point L416(lines 416 429) no Hoare annotation was computed. [2020-10-29 11:24:12,062 INFO L270 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:12,062 INFO L274 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-10-29 11:24:12,062 INFO L274 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-10-29 11:24:12,062 INFO L270 CegarLoopResult]: At program point L431(lines 386 433) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:12,062 INFO L270 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point L396-1(lines 396 402) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point testEXIT(lines 376 441) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point L736(lines 736 743) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 740 741) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 747 748) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point L730(lines 730 750) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 716 761) no Hoare annotation was computed. [2020-10-29 11:24:12,063 INFO L274 CegarLoopResult]: For program point L730-1(lines 730 750) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 716 761) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 716 761) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point L747(lines 747 748) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point L740(lines 740 741) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 898 906) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 898 906) the Hoare annotation is: true [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 898 906) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point L874(lines 874 882) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 866 888) no Hoare annotation was computed. [2020-10-29 11:24:12,064 INFO L274 CegarLoopResult]: For program point L874-2(lines 874 882) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 866 888) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 866 888) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 75 84) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 75 84) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 75 84) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 613 715) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point L702(lines 702 709) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point L663(lines 662 682) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-10-29 11:24:12,065 INFO L274 CegarLoopResult]: For program point L659(lines 659 700) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 613 715) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L701(lines 701 712) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L664(lines 664 668) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L662-2(lines 662 682) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 613 715) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L683(lines 661 684) no Hoare annotation was computed. [2020-10-29 11:24:12,066 INFO L274 CegarLoopResult]: For program point L642(lines 642 658) no Hoare annotation was computed. [2020-10-29 11:24:12,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,067 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~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.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~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.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)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-29 11:24:12,067 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,067 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 276 283) no Hoare annotation was computed. [2020-10-29 11:24:12,067 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2020-10-29 11:24:12,067 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 276 283) no Hoare annotation was computed. [2020-10-29 11:24:12,067 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 889 897) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 889 897) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 889 897) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L274 CegarLoopResult]: For program point L849-1(lines 845 856) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 845 856) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-29 11:24:12,068 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 845 856) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,068 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 857 865) the Hoare annotation is: true [2020-10-29 11:24:12,069 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 857 865) no Hoare annotation was computed. [2020-10-29 11:24:12,069 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 857 865) no Hoare annotation was computed. [2020-10-29 11:24:12,069 INFO L270 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 0))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2020-10-29 11:24:12,069 INFO L274 CegarLoopResult]: For program point L223(lines 222 241) no Hoare annotation was computed. [2020-10-29 11:24:12,069 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 219 242) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:24:12,069 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 219 242) no Hoare annotation was computed. [2020-10-29 11:24:12,069 INFO L270 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 (not (= |old(~pumpRunning~0)| 0))) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2020-10-29 11:24:12,069 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 219 242) no Hoare annotation was computed. [2020-10-29 11:24:12,070 INFO L270 CegarLoopResult]: At program point L230(lines 230 236) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,070 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 111 140) no Hoare annotation was computed. [2020-10-29 11:24:12,070 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-10-29 11:24:12,070 INFO L270 CegarLoopResult]: At program point cleanupENTRY(lines 111 140) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:24:12,070 INFO L270 CegarLoopResult]: At program point L125-1(lines 125 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,070 INFO L274 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-10-29 11:24:12,070 INFO L270 CegarLoopResult]: At program point L121-2(lines 121 135) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-29 11:24:12,070 INFO L270 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| 0))) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-10-29 11:24:12,071 INFO L274 CegarLoopResult]: For program point L117-1(line 117) no Hoare annotation was computed. [2020-10-29 11:24:12,071 INFO L277 CegarLoopResult]: At program point L136(lines 111 140) the Hoare annotation is: true [2020-10-29 11:24:12,071 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 11:24:12,071 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 821 832) the Hoare annotation is: true [2020-10-29 11:24:12,071 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 821 832) no Hoare annotation was computed. [2020-10-29 11:24:12,071 INFO L274 CegarLoopResult]: For program point L825-1(lines 821 832) no Hoare annotation was computed. [2020-10-29 11:24:12,071 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-10-29 11:24:12,071 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-10-29 11:24:12,071 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,071 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-29 11:24:12,072 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 11:24:12,072 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 11:24:12,072 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 367 374) no Hoare annotation was computed. [2020-10-29 11:24:12,072 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 367 374) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-29 11:24:12,072 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 367 374) no Hoare annotation was computed. [2020-10-29 11:24:12,072 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 833 844) no Hoare annotation was computed. [2020-10-29 11:24:12,072 INFO L274 CegarLoopResult]: For program point L837-1(lines 833 844) no Hoare annotation was computed. [2020-10-29 11:24:12,072 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 833 844) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:24:12,073 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 809 816) no Hoare annotation was computed. [2020-10-29 11:24:12,073 INFO L274 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-10-29 11:24:12,073 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 809 816) the Hoare annotation is: true [2020-10-29 11:24:12,073 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 809 816) no Hoare annotation was computed. [2020-10-29 11:24:12,073 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 45 69) the Hoare annotation is: true [2020-10-29 11:24:12,073 INFO L270 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:24:12,073 INFO L274 CegarLoopResult]: For program point L57(lines 57 63) no Hoare annotation was computed. [2020-10-29 11:24:12,073 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 45 69) no Hoare annotation was computed. [2020-10-29 11:24:12,074 INFO L270 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-10-29 11:24:12,074 INFO L274 CegarLoopResult]: For program point L55-1(line 55) no Hoare annotation was computed. [2020-10-29 11:24:12,074 INFO L274 CegarLoopResult]: For program point L53(lines 53 66) no Hoare annotation was computed. [2020-10-29 11:24:12,074 INFO L274 CegarLoopResult]: For program point L53-1(lines 45 69) no Hoare annotation was computed. [2020-10-29 11:24:12,074 INFO L277 CegarLoopResult]: At program point L51(line 51) the Hoare annotation is: true [2020-10-29 11:24:12,074 INFO L274 CegarLoopResult]: For program point L51-1(line 51) no Hoare annotation was computed. [2020-10-29 11:24:12,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 11:24:12 BoogieIcfgContainer [2020-10-29 11:24:12,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 11:24:12,093 INFO L168 Benchmark]: Toolchain (without parser) took 36458.77 ms. Allocated memory was 158.3 MB in the beginning and 595.6 MB in the end (delta: 437.3 MB). Free memory was 132.3 MB in the beginning and 402.0 MB in the end (delta: -269.7 MB). Peak memory consumption was 356.3 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,094 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 131.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 11:24:12,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.49 ms. Allocated memory is still 158.3 MB. Free memory was 131.8 MB in the beginning and 111.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,096 INFO L168 Benchmark]: Boogie Preprocessor took 92.30 ms. Allocated memory is still 158.3 MB. Free memory was 111.3 MB in the beginning and 107.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,097 INFO L168 Benchmark]: RCFGBuilder took 1288.19 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 107.2 MB in the beginning and 166.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,097 INFO L168 Benchmark]: TraceAbstraction took 34413.14 ms. Allocated memory was 190.8 MB in the beginning and 595.6 MB in the end (delta: 404.8 MB). Free memory was 166.6 MB in the beginning and 402.0 MB in the end (delta: -235.5 MB). Peak memory consumption was 357.5 MB. Max. memory is 8.0 GB. [2020-10-29 11:24:12,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 131.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 647.49 ms. Allocated memory is still 158.3 MB. Free memory was 131.8 MB in the beginning and 111.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.30 ms. Allocated memory is still 158.3 MB. Free memory was 111.3 MB in the beginning and 107.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1288.19 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 107.2 MB in the beginning and 166.6 MB in the end (delta: -59.3 MB). Peak memory consumption was 50.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 34413.14 ms. Allocated memory was 190.8 MB in the beginning and 595.6 MB in the end (delta: 404.8 MB). Free memory was 166.6 MB in the beginning and 402.0 MB in the end (delta: -235.5 MB). Peak memory consumption was 357.5 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: 747]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 740]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 793]: 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: 121]: Loop Invariant Derived loop invariant: ((\old(waterLevel) == waterLevel && pumpRunning == \old(pumpRunning)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || (methaneLevelCritical == 0 && 1 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && pumpRunning == 0) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (1 == systemActive && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 9.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 277 SDtfs, 566 SDslu, 233 SDs, 0 SdLazy, 1215 SolverSat, 359 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred in iteration=2, 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, 3 MinimizatonAttempts, 113 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 260 PreInvPairs, 344 NumberOfFragments, 876 HoareAnnotationTreeSize, 260 FomulaSimplifications, 39620 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 52 FomulaSimplificationsInter, 9876 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 54472 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...