/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:49,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:49,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:49,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:49,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:49,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:49,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:50,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:50,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:50,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:50,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:50,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:50,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:50,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:50,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:50,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:50,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:50,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:50,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:50,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:50,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:50,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:50,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:50,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:50,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:50,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:50,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:50,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:50,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:50,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:50,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:50,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:50,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:50,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:50,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:50,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:50,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:50,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:50,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:50,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:50,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:50,068 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 [2020-09-21 12:13:50,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:50,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:50,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:50,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:50,116 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:50,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:50,117 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:50,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:50,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:50,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:50,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:50,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:50,119 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:50,119 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:50,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:50,120 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:50,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:50,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:50,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:50,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:50,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:50,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:50,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:50,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:50,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:50,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:50,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:50,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:50,122 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:50,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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.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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:13:50,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:50,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:50,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:50,625 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:50,625 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:50,626 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2020-09-21 12:13:50,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c33291ebc/e554d5ea5bb34d82bfb9a42de77252b4/FLAGdeed18125 [2020-09-21 12:13:51,268 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:51,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product18.cil.c [2020-09-21 12:13:51,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c33291ebc/e554d5ea5bb34d82bfb9a42de77252b4/FLAGdeed18125 [2020-09-21 12:13:51,547 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c33291ebc/e554d5ea5bb34d82bfb9a42de77252b4 [2020-09-21 12:13:51,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:51,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:51,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:51,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:51,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:51,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:51" (1/1) ... [2020-09-21 12:13:51,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:51, skipping insertion in model container [2020-09-21 12:13:51,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:51" (1/1) ... [2020-09-21 12:13:51,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:51,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:52,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:52,120 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:52,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:52,243 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:52,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52 WrapperNode [2020-09-21 12:13:52,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:52,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:52,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:52,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:52,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (1/1) ... [2020-09-21 12:13:52,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (1/1) ... [2020-09-21 12:13:52,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (1/1) ... [2020-09-21 12:13:52,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (1/1) ... [2020-09-21 12:13:52,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (1/1) ... [2020-09-21 12:13:52,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (1/1) ... [2020-09-21 12:13:52,351 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (1/1) ... [2020-09-21 12:13:52,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:52,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:52,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:52,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:52,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (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 [2020-09-21 12:13:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:52,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:13:52,434 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:52,435 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:13:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:13:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:52,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:52,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:52,438 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:13:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:52,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:52,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:52,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:13:52,441 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:52,442 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:13:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:52,443 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:13:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:13:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:52,444 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:52,445 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:52,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:52,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:52,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:53,475 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:53,475 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:53,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:53 BoogieIcfgContainer [2020-09-21 12:13:53,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:53,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:53,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:53,487 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:53,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:51" (1/3) ... [2020-09-21 12:13:53,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c053fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:53, skipping insertion in model container [2020-09-21 12:13:53,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:52" (2/3) ... [2020-09-21 12:13:53,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c053fb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:53, skipping insertion in model container [2020-09-21 12:13:53,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:53" (3/3) ... [2020-09-21 12:13:53,491 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2020-09-21 12:13:53,503 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:53,513 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:53,536 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:53,563 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:53,563 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:53,563 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:53,563 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:53,563 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:53,564 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:53,564 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:53,564 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:53,591 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-09-21 12:13:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:53,602 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:53,604 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] [2020-09-21 12:13:53,604 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:53,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:53,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1582147067, now seen corresponding path program 1 times [2020-09-21 12:13:53,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:53,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292127071] [2020-09-21 12:13:53,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:54,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:54,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:54,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:54,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:54,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1021 [2020-09-21 12:13:54,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:54,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:54,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:54,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:54,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:13:55,412 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:55,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-21 12:13:55,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:55,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:55,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:55,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:55,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:55,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:55,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:55,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:55,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:13:55,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:55,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:55,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:55,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:55,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:55,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:55,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:55,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:55,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:55,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:55,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:55,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292127071] [2020-09-21 12:13:55,572 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:55,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:55,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211792608] [2020-09-21 12:13:55,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:55,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:55,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:55,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:55,601 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-09-21 12:13:56,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:56,608 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-09-21 12:13:56,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:56,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:56,627 INFO L225 Difference]: With dead ends: 256 [2020-09-21 12:13:56,627 INFO L226 Difference]: Without dead ends: 139 [2020-09-21 12:13:56,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:56,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-09-21 12:13:56,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-09-21 12:13:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-21 12:13:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-09-21 12:13:56,726 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-09-21 12:13:56,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:56,726 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-09-21 12:13:56,726 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:56,727 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-09-21 12:13:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:56,730 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:56,730 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] [2020-09-21 12:13:56,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:56,731 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:56,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:56,731 INFO L82 PathProgramCache]: Analyzing trace with hash 552512902, now seen corresponding path program 1 times [2020-09-21 12:13:56,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:56,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449941722] [2020-09-21 12:13:56,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:56,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:56,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:57,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:58,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:58,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1371 [2020-09-21 12:13:58,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:58,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:58,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:58,507 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 12:13:58,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:58,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:58,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:58,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:58,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:58,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:58,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:58,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:58,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:58,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:58,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:58,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:58,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:58,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:58,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:58,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:13:58,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449941722] [2020-09-21 12:13:58,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:58,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:58,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305712606] [2020-09-21 12:13:58,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:58,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:58,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:58,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:58,680 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-09-21 12:13:59,114 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:59,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:59,747 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-09-21 12:13:59,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:59,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:59,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:59,752 INFO L225 Difference]: With dead ends: 185 [2020-09-21 12:13:59,752 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 12:13:59,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:59,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 12:13:59,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 12:13:59,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 12:13:59,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-09-21 12:13:59,793 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-09-21 12:13:59,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:59,793 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-09-21 12:13:59,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-09-21 12:13:59,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:13:59,795 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:59,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:13:59,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:59,796 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:59,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:59,796 INFO L82 PathProgramCache]: Analyzing trace with hash -482942028, now seen corresponding path program 1 times [2020-09-21 12:13:59,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:59,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103724861] [2020-09-21 12:13:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:59,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:00,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:00,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:00,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:14:00,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-09-21 12:14:00,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:14:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:14:00,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,317 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:01,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-21 12:14:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:14:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:01,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:01,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:01,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:01,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:01,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:01,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:01,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:01,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:14:01,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:01,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:01,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:01,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:01,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:01,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:01,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:01,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:14:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:01,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:01,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:01,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:01,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:14:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:01,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:01,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:01,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:01,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:01,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:01,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:01,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:14:01,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:01,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:14:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:01,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103724861] [2020-09-21 12:14:01,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:01,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:14:01,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019964764] [2020-09-21 12:14:01,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:14:01,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:01,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:14:01,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:14:01,624 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 4 states. [2020-09-21 12:14:01,986 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:02,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:02,661 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-09-21 12:14:02,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:14:02,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:14:02,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:02,665 INFO L225 Difference]: With dead ends: 198 [2020-09-21 12:14:02,665 INFO L226 Difference]: Without dead ends: 123 [2020-09-21 12:14:02,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:14:02,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-09-21 12:14:02,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-09-21 12:14:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-21 12:14:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-09-21 12:14:02,695 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-09-21 12:14:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:02,696 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-09-21 12:14:02,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:14:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-09-21 12:14:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 12:14:02,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:14:02,698 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] [2020-09-21 12:14:02,698 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:14:02,698 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:14:02,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:14:02,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1347870715, now seen corresponding path program 1 times [2020-09-21 12:14:02,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:14:02,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375104820] [2020-09-21 12:14:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:14:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:02,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:03,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:03,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:03,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-21 12:14:03,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:14:03,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:14:03,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:14:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 12:14:03,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:14:03,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,047 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:04,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:14:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:04,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-21 12:14:04,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:04,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:14:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:04,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:04,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:04,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:04,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:14:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:04,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:14:04,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:04,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:04,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:14:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:04,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:04,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:14:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:04,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:14:04,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:14:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:14:04,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:14:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:14:04,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:14:04,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:14:04,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:14:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:14:04,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:14:04,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:04,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:14:04,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 12:14:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:04,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:14:04,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:14:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:04,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 12:14:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:14:04,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:14:04,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:14:04,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:14:04,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:14:04,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:14:04,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:14:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:14:04,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:14:04,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:14:04,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:14:04,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:14:04,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375104820] [2020-09-21 12:14:04,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:14:04,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 12:14:04,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857270628] [2020-09-21 12:14:04,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 12:14:04,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:14:04,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 12:14:04,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 12:14:04,238 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states. [2020-09-21 12:14:04,678 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:14:05,508 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:05,846 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:06,158 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:14:06,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:14:06,295 INFO L93 Difference]: Finished difference Result 166 states and 201 transitions. [2020-09-21 12:14:06,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:14:06,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-09-21 12:14:06,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:14:06,297 INFO L225 Difference]: With dead ends: 166 [2020-09-21 12:14:06,297 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:14:06,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 12:14:06,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:14:06,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:14:06,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:14:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:14:06,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-09-21 12:14:06,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:14:06,300 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:14:06,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 12:14:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:14:06,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:14:06,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:14:06,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:14:06,547 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:06,724 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:06,890 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:07,052 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:07,403 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:14:07,733 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:14:07,892 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:08,069 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:14:08,232 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:08,396 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:08,553 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:08,714 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:08,858 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:09,019 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:09,171 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:09,335 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:09,494 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:09,654 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:09,810 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:09,963 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:10,117 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:10,272 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:10,434 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:14:10,590 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:10,749 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:10,906 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:11,062 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:11,221 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:11,386 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:11,713 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:14:12,032 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 12:14:12,190 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:12,346 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:14:12,501 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:12,655 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:12,807 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:14:12,969 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:14:13,126 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-21 12:14:13,359 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 13 [2020-09-21 12:14:13,553 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:13,750 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-21 12:14:13,946 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 13 [2020-09-21 12:14:14,214 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:14,451 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:14,669 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-09-21 12:14:14,950 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:15,174 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-21 12:14:15,430 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 14 [2020-09-21 12:14:15,679 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 14 [2020-09-21 12:14:15,942 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:16,186 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:16,402 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-21 12:14:16,650 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:16,935 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:17,158 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 12:14:17,250 INFO L268 CegarLoopResult]: For program point L640(lines 617 641) no Hoare annotation was computed. [2020-09-21 12:14:17,250 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 593 648) no Hoare annotation was computed. [2020-09-21 12:14:17,251 INFO L268 CegarLoopResult]: For program point L624(lines 624 628) no Hoare annotation was computed. [2020-09-21 12:14:17,251 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 628) no Hoare annotation was computed. [2020-09-21 12:14:17,251 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-09-21 12:14:17,251 INFO L268 CegarLoopResult]: For program point L618-2(lines 618 639) no Hoare annotation was computed. [2020-09-21 12:14:17,251 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 593 648) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 593 648) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point L675-2(lines 675 700) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point L701(lines 674 702) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point L694(line 694) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 649 708) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point L694-1(line 694) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 649 708) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 649 708) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-09-21 12:14:17,252 INFO L268 CegarLoopResult]: For program point L681-1(lines 681 685) no Hoare annotation was computed. [2020-09-21 12:14:17,253 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-09-21 12:14:17,253 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 426 432) the Hoare annotation is: true [2020-09-21 12:14:17,253 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 426 432) no Hoare annotation was computed. [2020-09-21 12:14:17,253 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 433 441) no Hoare annotation was computed. [2020-09-21 12:14:17,253 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 433 441) the Hoare annotation is: true [2020-09-21 12:14:17,253 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 433 441) no Hoare annotation was computed. [2020-09-21 12:14:17,253 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 382 406) the Hoare annotation is: true [2020-09-21 12:14:17,253 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 382 406) no Hoare annotation was computed. [2020-09-21 12:14:17,254 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= ~pumpRunning~0 0)) (not (<= 0 ~pumpRunning~0))) [2020-09-21 12:14:17,254 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-09-21 12:14:17,254 INFO L271 CegarLoopResult]: At program point L392(line 392) the Hoare annotation is: true [2020-09-21 12:14:17,254 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-09-21 12:14:17,254 INFO L268 CegarLoopResult]: For program point L390(lines 390 403) no Hoare annotation was computed. [2020-09-21 12:14:17,254 INFO L268 CegarLoopResult]: For program point L390-1(lines 382 406) no Hoare annotation was computed. [2020-09-21 12:14:17,254 INFO L271 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-09-21 12:14:17,254 INFO L268 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-09-21 12:14:17,254 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 356 378) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,255 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 356 378) no Hoare annotation was computed. [2020-09-21 12:14:17,255 INFO L264 CegarLoopResult]: At program point L368(line 368) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,255 INFO L264 CegarLoopResult]: At program point L368-1(line 368) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,255 INFO L268 CegarLoopResult]: For program point L366(lines 366 373) no Hoare annotation was computed. [2020-09-21 12:14:17,255 INFO L268 CegarLoopResult]: For program point L366-1(lines 366 373) no Hoare annotation was computed. [2020-09-21 12:14:17,255 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 356 378) no Hoare annotation was computed. [2020-09-21 12:14:17,255 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-09-21 12:14:17,256 INFO L264 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,256 INFO L264 CegarLoopResult]: At program point L362(line 362) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,256 INFO L264 CegarLoopResult]: At program point L362-1(line 362) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,256 INFO L268 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-09-21 12:14:17,256 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-09-21 12:14:17,257 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 312 335) no Hoare annotation was computed. [2020-09-21 12:14:17,257 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-09-21 12:14:17,257 INFO L268 CegarLoopResult]: For program point L318(line 318) no Hoare annotation was computed. [2020-09-21 12:14:17,257 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-09-21 12:14:17,257 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 312 335) no Hoare annotation was computed. [2020-09-21 12:14:17,257 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 312 335) no Hoare annotation was computed. [2020-09-21 12:14:17,257 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L327(line 327) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L326(line 326) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L323(line 323) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2020-09-21 12:14:17,258 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point L262(lines 262 266) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L271 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: true [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2020-09-21 12:14:17,259 INFO L268 CegarLoopResult]: For program point L247(line 247) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point L247-1(line 247) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 419 425) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 419 425) the Hoare annotation is: true [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 547 592) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 547 592) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 547 592) no Hoare annotation was computed. [2020-09-21 12:14:17,260 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 860 905) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 860 905) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point L874(lines 874 894) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point L874-1(lines 874 894) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 860 905) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 343 352) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 343 352) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 343 352) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 197 207) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2020-09-21 12:14:17,261 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L268 CegarLoopResult]: For program point L202-1(line 202) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2020-09-21 12:14:17,262 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L268 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 156 180) no Hoare annotation was computed. [2020-09-21 12:14:17,262 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 156 180) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:14:17,263 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-09-21 12:14:17,263 INFO L268 CegarLoopResult]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2020-09-21 12:14:17,263 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:14:17,263 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:14:17,263 INFO L268 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-09-21 12:14:17,263 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:14:17,263 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2020-09-21 12:14:17,263 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2020-09-21 12:14:17,263 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:17,263 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-09-21 12:14:17,264 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:14:17,264 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-09-21 12:14:17,264 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:14:17,264 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-09-21 12:14:17,264 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-09-21 12:14:17,264 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:14:17,264 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-09-21 12:14:17,264 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-09-21 12:14:17,264 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:14:17,264 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point L828(lines 828 848) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point L828-1(lines 828 848) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 814 859) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 814 859) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 814 859) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point L834(lines 834 841) no Hoare annotation was computed. [2020-09-21 12:14:17,265 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 522 530) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 522 530) the Hoare annotation is: true [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 522 530) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 490 512) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 490 512) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 490 512) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point L498(lines 498 506) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 409 418) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 409 418) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 409 418) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point L735(lines 735 739) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point L799(lines 799 810) no Hoare annotation was computed. [2020-09-21 12:14:17,266 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 711 813) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L762(lines 762 766) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L760-2(lines 760 780) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L781(lines 759 782) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 711 813) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L740(lines 740 756) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L761(lines 760 780) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-09-21 12:14:17,267 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-09-21 12:14:17,268 INFO L268 CegarLoopResult]: For program point L757(lines 757 798) no Hoare annotation was computed. [2020-09-21 12:14:17,268 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 711 813) no Hoare annotation was computed. [2020-09-21 12:14:17,268 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-09-21 12:14:17,268 INFO L268 CegarLoopResult]: For program point L776-1(line 776) no Hoare annotation was computed. [2020-09-21 12:14:17,268 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:17,268 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 12:14:17,269 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:17,269 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 181 188) no Hoare annotation was computed. [2020-09-21 12:14:17,269 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 181 188) no Hoare annotation was computed. [2020-09-21 12:14:17,269 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 181 188) no Hoare annotation was computed. [2020-09-21 12:14:17,269 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 513 521) the Hoare annotation is: true [2020-09-21 12:14:17,269 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 513 521) no Hoare annotation was computed. [2020-09-21 12:14:17,269 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 513 521) no Hoare annotation was computed. [2020-09-21 12:14:17,270 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 469 480) the Hoare annotation is: (or (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:14:17,270 INFO L268 CegarLoopResult]: For program point L473-1(lines 469 480) no Hoare annotation was computed. [2020-09-21 12:14:17,270 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 469 480) no Hoare annotation was computed. [2020-09-21 12:14:17,270 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:17,270 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:14:17,270 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:17,270 INFO L268 CegarLoopResult]: For program point L128(lines 127 146) no Hoare annotation was computed. [2020-09-21 12:14:17,271 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:14:17,271 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2020-09-21 12:14:17,271 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:14:17,271 INFO L264 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-09-21 12:14:17,271 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2020-09-21 12:14:17,271 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|))) [2020-09-21 12:14:17,271 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-09-21 12:14:17,272 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 282 311) no Hoare annotation was computed. [2020-09-21 12:14:17,272 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-09-21 12:14:17,272 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 282 311) the Hoare annotation is: true [2020-09-21 12:14:17,272 INFO L271 CegarLoopResult]: At program point L307(lines 282 311) the Hoare annotation is: true [2020-09-21 12:14:17,272 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-21 12:14:17,272 INFO L268 CegarLoopResult]: For program point L296(lines 296 300) no Hoare annotation was computed. [2020-09-21 12:14:17,272 INFO L271 CegarLoopResult]: At program point L296-1(lines 296 300) the Hoare annotation is: true [2020-09-21 12:14:17,272 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-09-21 12:14:17,273 INFO L271 CegarLoopResult]: At program point L292-2(lines 292 306) the Hoare annotation is: true [2020-09-21 12:14:17,273 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 481 489) no Hoare annotation was computed. [2020-09-21 12:14:17,273 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 481 489) no Hoare annotation was computed. [2020-09-21 12:14:17,273 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 481 489) no Hoare annotation was computed. [2020-09-21 12:14:17,273 INFO L268 CegarLoopResult]: For program point L449-1(lines 445 456) no Hoare annotation was computed. [2020-09-21 12:14:17,273 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 445 456) the Hoare annotation is: true [2020-09-21 12:14:17,273 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 445 456) no Hoare annotation was computed. [2020-09-21 12:14:17,273 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 336 342) no Hoare annotation was computed. [2020-09-21 12:14:17,274 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 336 342) the Hoare annotation is: true [2020-09-21 12:14:17,274 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:17,274 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-09-21 12:14:17,274 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:14:17,274 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:17,274 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 272 279) no Hoare annotation was computed. [2020-09-21 12:14:17,274 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 272 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= 0 ~pumpRunning~0)) (= 1 ~systemActive~0) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:14:17,274 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 272 279) no Hoare annotation was computed. [2020-09-21 12:14:17,275 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 457 468) no Hoare annotation was computed. [2020-09-21 12:14:17,275 INFO L268 CegarLoopResult]: For program point L461-1(lines 457 468) no Hoare annotation was computed. [2020-09-21 12:14:17,275 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 457 468) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 0))) [2020-09-21 12:14:17,275 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 532 539) no Hoare annotation was computed. [2020-09-21 12:14:17,275 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 536) no Hoare annotation was computed. [2020-09-21 12:14:17,275 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 532 539) the Hoare annotation is: true [2020-09-21 12:14:17,275 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 532 539) no Hoare annotation was computed. [2020-09-21 12:14:17,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:14:17 BoogieIcfgContainer [2020-09-21 12:14:17,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:14:17,300 INFO L168 Benchmark]: Toolchain (without parser) took 25735.82 ms. Allocated memory was 136.8 MB in the beginning and 545.3 MB in the end (delta: 408.4 MB). Free memory was 99.0 MB in the beginning and 401.8 MB in the end (delta: -302.8 MB). Peak memory consumption was 428.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:17,301 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:14:17,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.07 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 169.9 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:17,302 INFO L168 Benchmark]: Boogie Preprocessor took 114.62 ms. Allocated memory is still 199.8 MB. Free memory was 169.9 MB in the beginning and 165.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:17,303 INFO L168 Benchmark]: RCFGBuilder took 1122.11 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 165.6 MB in the beginning and 198.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:17,304 INFO L168 Benchmark]: TraceAbstraction took 23815.14 ms. Allocated memory was 228.1 MB in the beginning and 545.3 MB in the end (delta: 317.2 MB). Free memory was 198.9 MB in the beginning and 401.8 MB in the end (delta: -202.9 MB). Peak memory consumption was 436.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:17,308 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.07 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 98.3 MB in the beginning and 169.9 MB in the end (delta: -71.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.62 ms. Allocated memory is still 199.8 MB. Free memory was 169.9 MB in the beginning and 165.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1122.11 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 165.6 MB in the beginning and 198.9 MB in the end (delta: -33.4 MB). Peak memory consumption was 90.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23815.14 ms. Allocated memory was 228.1 MB in the beginning and 545.3 MB in the end (delta: 317.2 MB). Free memory was 198.9 MB in the beginning and 401.8 MB in the end (delta: -202.9 MB). Peak memory consumption was 436.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 536]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 1 == systemActive) && 0 <= pumpRunning) && pumpRunning <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 338 SDtfs, 406 SDslu, 88 SDs, 0 SdLazy, 589 SolverSat, 245 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 79 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 170 PreInvPairs, 186 NumberOfFragments, 772 HoareAnnotationTreeSize, 170 FomulaSimplifications, 7417 FormulaSimplificationTreeSizeReduction, 6.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 5013 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 53988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...