/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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:13:35,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:13:35,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:13:35,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:13:35,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:13:35,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:13:35,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:13:35,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:13:35,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:13:35,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:13:35,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:13:35,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:13:35,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:13:35,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:13:35,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:13:35,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:13:35,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:13:35,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:13:35,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:13:35,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:13:35,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:13:35,826 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:13:35,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:13:35,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:13:35,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:13:35,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:13:35,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:13:35,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:13:35,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:13:35,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:13:35,833 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:13:35,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:13:35,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:13:35,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:13:35,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:13:35,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:13:35,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:13:35,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:13:35,838 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:13:35,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:13:35,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:13:35,840 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 12:13:35,865 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:13:35,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:13:35,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:13:35,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:13:35,868 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:13:35,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:13:35,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:13:35,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:13:35,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:13:35,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:13:35,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:13:35,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:13:35,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:13:35,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:13:35,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:13:35,873 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:13:35,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:13:35,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:13:35,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:13:35,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:13:35,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:13:35,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:13:35,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:13:35,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:13:35,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:13:35,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:13:35,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:13:35,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:13:35,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:13:35,878 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 12:13:36,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:13:36,348 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:13:36,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:13:36,354 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:13:36,355 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:13:36,356 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-09-21 12:13:36,446 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74b4cb927/4aeb5456933c4e40ab51d36fbb1858cb/FLAG6a09e2647 [2020-09-21 12:13:37,051 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:13:37,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-09-21 12:13:37,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74b4cb927/4aeb5456933c4e40ab51d36fbb1858cb/FLAG6a09e2647 [2020-09-21 12:13:37,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/74b4cb927/4aeb5456933c4e40ab51d36fbb1858cb [2020-09-21 12:13:37,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:13:37,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:13:37,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:37,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:13:37,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:13:37,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:37" (1/1) ... [2020-09-21 12:13:37,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366b14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:37, skipping insertion in model container [2020-09-21 12:13:37,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:13:37" (1/1) ... [2020-09-21 12:13:37,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:13:37,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:13:37,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:38,000 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:13:38,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:13:38,134 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:13:38,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38 WrapperNode [2020-09-21 12:13:38,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:13:38,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:13:38,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:13:38,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:13:38,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (1/1) ... [2020-09-21 12:13:38,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (1/1) ... [2020-09-21 12:13:38,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (1/1) ... [2020-09-21 12:13:38,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (1/1) ... [2020-09-21 12:13:38,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (1/1) ... [2020-09-21 12:13:38,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (1/1) ... [2020-09-21 12:13:38,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (1/1) ... [2020-09-21 12:13:38,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:13:38,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:13:38,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:13:38,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:13:38,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (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 12:13:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:13:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:13:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:13:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:13:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:13:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:13:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:13:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:13:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:13:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:13:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:13:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 12:13:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:13:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:13:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:13:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:13:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:13:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 12:13:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 12:13:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:13:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:13:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:13:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:13:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:13:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:13:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:13:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:13:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:13:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:13:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:13:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:13:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:13:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:13:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:13:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:13:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:13:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:13:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:13:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:13:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:13:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:13:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:13:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:13:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:13:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 12:13:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 12:13:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 12:13:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:13:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:13:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:13:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:13:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:13:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:13:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:13:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 12:13:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:13:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:13:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:13:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:13:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:13:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:13:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:13:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:13:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:13:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:13:38,324 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:13:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:13:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:13:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:13:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:13:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:13:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:13:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:13:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:13:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:13:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:13:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:13:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:13:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:13:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:13:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:13:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:13:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:13:39,364 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:13:39,364 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:13:39,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:39 BoogieIcfgContainer [2020-09-21 12:13:39,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:13:39,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:13:39,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:13:39,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:13:39,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:13:37" (1/3) ... [2020-09-21 12:13:39,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d8f59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:39, skipping insertion in model container [2020-09-21 12:13:39,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:13:38" (2/3) ... [2020-09-21 12:13:39,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79d8f59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:13:39, skipping insertion in model container [2020-09-21 12:13:39,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:13:39" (3/3) ... [2020-09-21 12:13:39,384 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-09-21 12:13:39,395 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:13:39,406 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:13:39,427 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:13:39,461 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:13:39,461 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:13:39,461 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:13:39,461 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:13:39,462 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:13:39,462 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:13:39,462 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:13:39,462 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:13:39,486 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-09-21 12:13:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 12:13:39,496 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:39,498 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 12:13:39,498 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:39,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:39,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1570984683, now seen corresponding path program 1 times [2020-09-21 12:13:39,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:39,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298201160] [2020-09-21 12:13:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:39,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:40,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:40,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 12:13:40,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1068 [2020-09-21 12:13:40,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:40,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 12:13:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 12:13:41,459 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:41,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:41,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:41,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-21 12:13:41,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-21 12:13:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:41,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:41,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:41,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:41,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:41,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:41,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:41,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:41,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:41,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:41,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:41,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:41,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:41,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:41,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:41,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:41,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:41,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:41,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:41,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:41,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:41,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 12:13:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:41,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:41,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:41,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:13:41,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:41,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:41,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:41,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:41,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:41,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:41,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 12:13:41,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:41,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:41,671 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 12:13:41,672 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298201160] [2020-09-21 12:13:41,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:41,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 12:13:41,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135295043] [2020-09-21 12:13:41,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 12:13:41,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:41,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 12:13:41,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 12:13:41,705 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-09-21 12:13:42,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:42,666 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-09-21 12:13:42,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 12:13:42,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 12:13:42,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:42,686 INFO L225 Difference]: With dead ends: 228 [2020-09-21 12:13:42,686 INFO L226 Difference]: Without dead ends: 125 [2020-09-21 12:13:42,691 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 12:13:42,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-09-21 12:13:42,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-09-21 12:13:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-21 12:13:42,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-09-21 12:13:42,776 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-09-21 12:13:42,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:42,776 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-09-21 12:13:42,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 12:13:42,777 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-09-21 12:13:42,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 12:13:42,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:42,780 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 12:13:42,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:13:42,781 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:42,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:42,782 INFO L82 PathProgramCache]: Analyzing trace with hash 492897412, now seen corresponding path program 1 times [2020-09-21 12:13:42,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:42,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1652576263] [2020-09-21 12:13:42,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:42,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:42,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:43,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 12:13:44,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:13:44,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-09-21 12:13:44,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 12:13:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:13:44,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:44,608 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:44,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:44,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-21 12:13:44,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:44,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:44,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:44,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:44,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:44,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:44,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:44,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:44,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:44,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:44,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:44,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:44,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:44,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:44,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:44,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:44,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:44,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:13:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:44,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:44,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:44,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:44,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:44,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:13:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:44,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:44,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:44,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:44,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:44,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:44,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:44,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:44,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:44,739 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 12:13:44,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1652576263] [2020-09-21 12:13:44,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:44,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:44,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846161758] [2020-09-21 12:13:44,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:44,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:44,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:44,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:44,743 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-09-21 12:13:45,184 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:13:45,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:45,698 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-09-21 12:13:45,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:45,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 12:13:45,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:45,709 INFO L225 Difference]: With dead ends: 148 [2020-09-21 12:13:45,709 INFO L226 Difference]: Without dead ends: 109 [2020-09-21 12:13:45,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:45,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-09-21 12:13:45,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-09-21 12:13:45,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 12:13:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-09-21 12:13:45,742 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-09-21 12:13:45,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:45,743 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-09-21 12:13:45,743 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:45,743 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-09-21 12:13:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:13:45,745 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:45,746 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 12:13:45,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:13:45,746 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:45,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:45,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1711482820, now seen corresponding path program 1 times [2020-09-21 12:13:45,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:45,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [844802692] [2020-09-21 12:13:45,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:45,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:46,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:46,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 12:13:46,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:46,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1006 [2020-09-21 12:13:46,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 12:13:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:46,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 12:13:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:47,172 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:47,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-21 12:13:47,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:47,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:47,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:47,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:47,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:47,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:47,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:47,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:47,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:47,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:47,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:47,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 12:13:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:47,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:47,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:47,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:47,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 12:13:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:47,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:47,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:47,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:47,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:13:47,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:13:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:13:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:47,383 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 12:13:47,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [844802692] [2020-09-21 12:13:47,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:47,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:13:47,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124355825] [2020-09-21 12:13:47,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:13:47,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:47,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:13:47,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:13:47,386 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 4 states. [2020-09-21 12:13:47,760 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:48,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:48,861 INFO L93 Difference]: Finished difference Result 239 states and 292 transitions. [2020-09-21 12:13:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 12:13:48,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 12:13:48,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:48,865 INFO L225 Difference]: With dead ends: 239 [2020-09-21 12:13:48,865 INFO L226 Difference]: Without dead ends: 178 [2020-09-21 12:13:48,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:13:48,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-09-21 12:13:48,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 130. [2020-09-21 12:13:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-09-21 12:13:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2020-09-21 12:13:48,919 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 52 [2020-09-21 12:13:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:48,920 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2020-09-21 12:13:48,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:13:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2020-09-21 12:13:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 12:13:48,922 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:13:48,922 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] [2020-09-21 12:13:48,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:13:48,923 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:13:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:13:48,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1961603229, now seen corresponding path program 1 times [2020-09-21 12:13:48,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:13:48,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153117] [2020-09-21 12:13:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:13:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:49,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:49,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 12:13:50,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:13:50,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1340 [2020-09-21 12:13:50,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:13:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:13:50,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-21 12:13:50,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,697 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:50,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:13:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:50,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-21 12:13:50,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:13:50,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:13:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:50,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:50,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:50,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:50,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:13:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:50,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:50,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:50,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:13:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:50,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:13:50,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:13:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:50,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:50,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:50,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:50,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:13:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:13:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:13:50,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:13:50,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:50,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:13:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:13:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:50,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:13:50,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:13:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:50,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:13:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:13:50,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:13:50,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:13:50,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:13:50,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:13:50,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:13:50,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:13:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:13:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:13:50,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:13:50,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:13:50,960 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 12:13:50,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153117] [2020-09-21 12:13:50,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:13:50,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:13:50,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378755204] [2020-09-21 12:13:50,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:13:50,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:13:50,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:13:50,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:13:50,963 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 7 states. [2020-09-21 12:13:51,405 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:52,689 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:53,072 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,421 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:13:53,589 INFO L93 Difference]: Finished difference Result 243 states and 299 transitions. [2020-09-21 12:13:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:13:53,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 12:13:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:13:53,591 INFO L225 Difference]: With dead ends: 243 [2020-09-21 12:13:53,591 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:13:53,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 12:13:53,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:13:53,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:13:53,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:13:53,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:13:53,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-09-21 12:13:53,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:13:53,595 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:13:53,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:13:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:13:53,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:13:53,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:13:53,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:13:53,840 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:53,978 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:13:54,135 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:54,298 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:54,409 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 6 [2020-09-21 12:13:54,563 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:54,736 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:54,895 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:55,064 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:55,174 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 6 [2020-09-21 12:13:55,494 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:55,825 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:13:55,967 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:13:56,116 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:56,270 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:56,419 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:56,571 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:56,717 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:56,866 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:57,016 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:57,168 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:57,317 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:57,463 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:57,715 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:57,870 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:58,020 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:58,335 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:58,649 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:13:58,793 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:58,939 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:13:59,087 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:59,236 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:59,385 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:13:59,701 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:00,016 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-21 12:14:00,160 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:00,417 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:00,569 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:00,714 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:00,862 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:01,105 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:01,253 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:01,567 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:14:01,880 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 12:14:02,026 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 12:14:02,175 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:02,329 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 12:14:02,554 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:02,844 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:03,094 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:03,353 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:03,626 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:03,865 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-21 12:14:04,175 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 12:14:04,436 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:04,678 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:05,174 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:14:05,405 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:05,647 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:06,104 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:14:06,519 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:14:06,773 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:07,237 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 8 [2020-09-21 12:14:07,502 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:07,962 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-21 12:14:08,214 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:08,458 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 11 [2020-09-21 12:14:08,692 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 12:14:08,939 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-21 12:14:08,944 INFO L268 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-09-21 12:14:08,944 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 564 619) no Hoare annotation was computed. [2020-09-21 12:14:08,944 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 599) no Hoare annotation was computed. [2020-09-21 12:14:08,944 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-09-21 12:14:08,944 INFO L268 CegarLoopResult]: For program point L589-2(lines 589 610) no Hoare annotation was computed. [2020-09-21 12:14:08,945 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 564 619) no Hoare annotation was computed. [2020-09-21 12:14:08,945 INFO L268 CegarLoopResult]: For program point L611(lines 588 612) no Hoare annotation was computed. [2020-09-21 12:14:08,945 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 564 619) no Hoare annotation was computed. [2020-09-21 12:14:08,945 INFO L268 CegarLoopResult]: For program point L672(lines 645 673) no Hoare annotation was computed. [2020-09-21 12:14:08,945 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-09-21 12:14:08,945 INFO L268 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-09-21 12:14:08,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 620 679) no Hoare annotation was computed. [2020-09-21 12:14:08,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 620 679) no Hoare annotation was computed. [2020-09-21 12:14:08,946 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-09-21 12:14:08,946 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-09-21 12:14:08,946 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 620 679) no Hoare annotation was computed. [2020-09-21 12:14:08,946 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-09-21 12:14:08,946 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 671) no Hoare annotation was computed. [2020-09-21 12:14:08,947 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 399 405) the Hoare annotation is: true [2020-09-21 12:14:08,947 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 399 405) no Hoare annotation was computed. [2020-09-21 12:14:08,947 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 406 414) no Hoare annotation was computed. [2020-09-21 12:14:08,947 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 406 414) the Hoare annotation is: true [2020-09-21 12:14:08,947 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 406 414) no Hoare annotation was computed. [2020-09-21 12:14:08,947 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-09-21 12:14:08,947 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-09-21 12:14:08,947 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:14:08,947 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-09-21 12:14:08,947 INFO L271 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: true [2020-09-21 12:14:08,948 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-09-21 12:14:08,948 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-09-21 12:14:08,948 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-09-21 12:14:08,948 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-09-21 12:14:08,948 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-09-21 12:14:08,948 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,948 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-09-21 12:14:08,949 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,949 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,949 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-09-21 12:14:08,949 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-09-21 12:14:08,949 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-09-21 12:14:08,949 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,949 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,950 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,950 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-09-21 12:14:08,950 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 447 470) no Hoare annotation was computed. [2020-09-21 12:14:08,950 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 447 470) no Hoare annotation was computed. [2020-09-21 12:14:08,950 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 447 470) no Hoare annotation was computed. [2020-09-21 12:14:08,950 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-09-21 12:14:08,950 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-09-21 12:14:08,951 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-09-21 12:14:08,952 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-09-21 12:14:08,952 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-09-21 12:14:08,952 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-09-21 12:14:08,952 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-09-21 12:14:08,952 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2020-09-21 12:14:08,952 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 12:14:08,952 INFO L268 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2020-09-21 12:14:08,952 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 354 368) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 264 271) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 264 271) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 264 271) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point L337(lines 337 345) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2020-09-21 12:14:08,953 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 318 353) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 318 353) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point L325(lines 325 333) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point L325-2(lines 325 333) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 318 353) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 392 398) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 392 398) the Hoare annotation is: true [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 518 563) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 518 563) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 518 563) no Hoare annotation was computed. [2020-09-21 12:14:08,954 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 831 876) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point L851(lines 851 858) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point L845(lines 845 865) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point L845-1(lines 845 865) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 831 876) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 831 876) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 478 487) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 478 487) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 478 487) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 298 308) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-09-21 12:14:08,955 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-09-21 12:14:08,956 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 298 308) no Hoare annotation was computed. [2020-09-21 12:14:08,956 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 298 308) no Hoare annotation was computed. [2020-09-21 12:14:08,956 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2020-09-21 12:14:08,956 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2020-09-21 12:14:08,956 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2020-09-21 12:14:08,956 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 257 263) no Hoare annotation was computed. [2020-09-21 12:14:08,956 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 257 263) the Hoare annotation is: true [2020-09-21 12:14:08,956 INFO L264 CegarLoopResult]: At program point testENTRY(lines 158 225) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-09-21 12:14:08,956 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,956 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-09-21 12:14:08,956 INFO L268 CegarLoopResult]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2020-09-21 12:14:08,957 INFO L264 CegarLoopResult]: At program point L215(lines 168 217) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,957 INFO L268 CegarLoopResult]: For program point testFINAL(lines 158 225) no Hoare annotation was computed. [2020-09-21 12:14:08,957 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,957 INFO L268 CegarLoopResult]: For program point L178(lines 178 184) no Hoare annotation was computed. [2020-09-21 12:14:08,957 INFO L268 CegarLoopResult]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2020-09-21 12:14:08,957 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-09-21 12:14:08,957 INFO L264 CegarLoopResult]: At program point L218(lines 167 219) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:14:08,957 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,957 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-09-21 12:14:08,957 INFO L264 CegarLoopResult]: At program point L206-1(lines 198 213) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,957 INFO L268 CegarLoopResult]: For program point L169(lines 168 217) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point testEXIT(lines 158 225) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point L799(lines 799 819) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point L799-1(lines 799 819) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 785 830) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 785 830) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 785 830) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point L805(lines 805 812) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:14:08,958 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 382 391) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 382 391) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 382 391) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 682 784) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L731-2(lines 731 751) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L752(lines 730 753) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L711(lines 711 727) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 682 784) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L771(lines 771 778) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L732(lines 731 751) no Hoare annotation was computed. [2020-09-21 12:14:08,959 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point L728(lines 728 769) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 682 784) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point L747(line 747) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point L770(lines 770 781) no Hoare annotation was computed. [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:08,960 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)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.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~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#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~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.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~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:14:08,960 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 273 289) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point L284-1(lines 273 289) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 273 289) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point L278-1(line 278) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-09-21 12:14:08,961 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:14:08,961 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-09-21 12:14:08,962 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,962 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,962 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,963 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 12:14:08,963 INFO L268 CegarLoopResult]: For program point L237(lines 236 255) no Hoare annotation was computed. [2020-09-21 12:14:08,963 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2020-09-21 12:14:08,963 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2020-09-21 12:14:08,963 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-09-21 12:14:08,963 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-09-21 12:14:08,963 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-09-21 12:14:08,963 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-09-21 12:14:08,964 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-09-21 12:14:08,964 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-09-21 12:14:08,964 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-09-21 12:14:08,964 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-09-21 12:14:08,964 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-09-21 12:14:08,964 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-09-21 12:14:08,964 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-09-21 12:14:08,964 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:14:08,964 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-09-21 12:14:08,964 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 471 477) no Hoare annotation was computed. [2020-09-21 12:14:08,965 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 471 477) the Hoare annotation is: true [2020-09-21 12:14:08,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:14:08,965 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 12:14:08,965 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:14:08,965 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:14:08,965 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 369 376) no Hoare annotation was computed. [2020-09-21 12:14:08,965 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 369 376) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,965 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 369 376) no Hoare annotation was computed. [2020-09-21 12:14:08,965 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:14:08,965 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-09-21 12:14:08,965 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:14:08,965 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 878 885) no Hoare annotation was computed. [2020-09-21 12:14:08,966 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2020-09-21 12:14:08,966 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 878 885) the Hoare annotation is: true [2020-09-21 12:14:08,966 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 878 885) no Hoare annotation was computed. [2020-09-21 12:14:08,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:14:08 BoogieIcfgContainer [2020-09-21 12:14:08,982 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:14:08,983 INFO L168 Benchmark]: Toolchain (without parser) took 31649.42 ms. Allocated memory was 137.9 MB in the beginning and 594.5 MB in the end (delta: 456.7 MB). Free memory was 100.4 MB in the beginning and 189.6 MB in the end (delta: -89.2 MB). Peak memory consumption was 434.4 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:08,984 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 12:14:08,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.81 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 99.8 MB in the beginning and 168.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:08,986 INFO L168 Benchmark]: Boogie Preprocessor took 94.70 ms. Allocated memory is still 200.3 MB. Free memory was 168.2 MB in the beginning and 163.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:08,987 INFO L168 Benchmark]: RCFGBuilder took 1142.00 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 163.9 MB in the beginning and 198.7 MB in the end (delta: -34.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:08,987 INFO L168 Benchmark]: TraceAbstraction took 29606.39 ms. Allocated memory was 230.7 MB in the beginning and 594.5 MB in the end (delta: 363.9 MB). Free memory was 198.7 MB in the beginning and 189.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 440.0 MB. Max. memory is 7.1 GB. [2020-09-21 12:14:08,991 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 137.9 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 795.81 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 99.8 MB in the beginning and 168.2 MB in the end (delta: -68.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.70 ms. Allocated memory is still 200.3 MB. Free memory was 168.2 MB in the beginning and 163.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1142.00 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 163.9 MB in the beginning and 198.7 MB in the end (delta: -34.9 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29606.39 ms. Allocated memory was 230.7 MB in the beginning and 594.5 MB in the end (delta: 363.9 MB). Free memory was 198.7 MB in the beginning and 189.6 MB in the end (delta: 9.1 MB). Peak memory consumption was 440.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: 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: 167]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 329 SDtfs, 347 SDslu, 144 SDs, 0 SdLazy, 629 SolverSat, 206 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred 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, 103 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 166 PreInvPairs, 190 NumberOfFragments, 563 HoareAnnotationTreeSize, 166 FomulaSimplifications, 11778 FormulaSimplificationTreeSizeReduction, 8.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 6858 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 52688 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...