/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 interpolation-heuristic=FIRST --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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:10:56,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:10:56,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:10:56,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:10:56,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:10:56,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:10:56,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:10:56,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:10:56,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:10:56,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:10:56,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:10:56,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:10:56,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:10:56,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:10:56,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:10:56,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:10:56,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:10:56,184 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:10:56,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:10:56,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:10:56,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:10:56,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:10:56,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:10:56,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:10:56,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:10:56,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:10:56,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:10:56,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:10:56,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:10:56,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:10:56,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:10:56,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:10:56,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:10:56,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:10:56,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:10:56,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:10:56,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:10:56,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:10:56,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:10:56,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:10:56,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:10:56,218 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 11:10:56,263 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:10:56,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:10:56,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:10:56,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:10:56,266 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:10:56,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:10:56,266 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:10:56,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:10:56,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:10:56,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:10:56,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:10:56,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:10:56,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:10:56,269 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:10:56,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:10:56,269 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:10:56,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:10:56,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:10:56,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:10:56,270 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:10:56,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:10:56,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:10:56,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:10:56,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:10:56,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:10:56,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:10:56,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:10:56,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:10:56,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:10:56,272 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:10:56,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:10:56,728 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:10:56,734 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:10:56,736 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:10:56,737 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:10:56,738 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-09-21 11:10:56,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27f1d8637/db4d6b2dcc994ec399bf99f2e8b45d81/FLAG60bd1f28c [2020-09-21 11:10:57,403 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:10:57,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product02.cil.c [2020-09-21 11:10:57,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27f1d8637/db4d6b2dcc994ec399bf99f2e8b45d81/FLAG60bd1f28c [2020-09-21 11:10:57,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/27f1d8637/db4d6b2dcc994ec399bf99f2e8b45d81 [2020-09-21 11:10:57,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:10:57,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:10:57,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:57,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:10:57,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:10:57,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:57" (1/1) ... [2020-09-21 11:10:57,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d58dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:57, skipping insertion in model container [2020-09-21 11:10:57,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:10:57" (1/1) ... [2020-09-21 11:10:57,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:10:57,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:10:58,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:58,121 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:10:58,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:10:58,345 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:10:58,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58 WrapperNode [2020-09-21 11:10:58,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:10:58,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:10:58,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:10:58,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:10:58,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (1/1) ... [2020-09-21 11:10:58,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (1/1) ... [2020-09-21 11:10:58,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (1/1) ... [2020-09-21 11:10:58,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (1/1) ... [2020-09-21 11:10:58,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (1/1) ... [2020-09-21 11:10:58,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (1/1) ... [2020-09-21 11:10:58,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (1/1) ... [2020-09-21 11:10:58,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:10:58,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:10:58,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:10:58,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:10:58,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (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 11:10:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:10:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:10:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:10:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:10:58,533 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:10:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:10:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:10:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:10:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:10:58,534 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:10:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:10:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:10:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:10:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:10:58,535 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:10:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:10:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:10:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:10:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:10:58,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:10:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:10:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:10:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:10:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:58,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:10:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:10:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:10:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:10:58,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:10:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:10:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:10:58,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:10:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:10:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:10:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:10:58,539 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:10:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:10:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:10:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:10:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:10:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:10:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:10:58,540 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:10:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:10:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:10:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:10:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:10:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:10:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:10:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-21 11:10:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:10:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:10:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:10:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:10:58,542 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:10:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:10:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:10:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:10:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:10:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:10:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:10:58,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:10:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:10:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:10:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:10:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:10:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:10:58,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:10:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:10:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:10:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:10:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:10:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:10:58,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:10:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:10:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:10:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:10:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:10:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:10:58,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:10:58,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:10:59,576 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:10:59,576 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:10:59,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:59 BoogieIcfgContainer [2020-09-21 11:10:59,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:10:59,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:10:59,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:10:59,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:10:59,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:10:57" (1/3) ... [2020-09-21 11:10:59,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b49dd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:59, skipping insertion in model container [2020-09-21 11:10:59,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:10:58" (2/3) ... [2020-09-21 11:10:59,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b49dd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:10:59, skipping insertion in model container [2020-09-21 11:10:59,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:10:59" (3/3) ... [2020-09-21 11:10:59,597 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-09-21 11:10:59,608 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:10:59,620 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:10:59,639 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:10:59,669 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:10:59,669 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:10:59,669 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:10:59,669 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:10:59,670 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:10:59,670 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:10:59,670 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:10:59,670 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:10:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-09-21 11:10:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:10:59,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:10:59,707 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 11:10:59,708 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:10:59,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:10:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash 985009112, now seen corresponding path program 1 times [2020-09-21 11:10:59,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:10:59,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153865226] [2020-09-21 11:10:59,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:11:00,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:11:00,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:11:00,413 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,494 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:11:00,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,507 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,507 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:00,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,514 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,514 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,515 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,515 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:00,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:00,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:11:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:00,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:00,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:00,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:00,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:00,556 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:00,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:00,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:00,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:00,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:00,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:00,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:00,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:00,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:00,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:00,574 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 11:11:00,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153865226] [2020-09-21 11:11:00,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:00,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:11:00,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281467576] [2020-09-21 11:11:00,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:11:00,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:00,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:11:00,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:00,607 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-09-21 11:11:01,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:01,472 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2020-09-21 11:11:01,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:11:01,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:11:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:01,502 INFO L225 Difference]: With dead ends: 208 [2020-09-21 11:11:01,502 INFO L226 Difference]: Without dead ends: 114 [2020-09-21 11:11:01,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:11:01,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-09-21 11:11:01,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2020-09-21 11:11:01,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-09-21 11:11:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-09-21 11:11:01,644 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-09-21 11:11:01,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:01,645 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-09-21 11:11:01,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:11:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-09-21 11:11:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:11:01,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:01,656 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 11:11:01,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:11:01,657 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:01,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:01,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2101459879, now seen corresponding path program 1 times [2020-09-21 11:11:01,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:01,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [418752299] [2020-09-21 11:11:01,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:01,736 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:01,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:01,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:01,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:01,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:11:01,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:01,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:01,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:11:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:11:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,017 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:02,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:02,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:02,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,075 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,076 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,076 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,076 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:02,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:02,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:11:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,086 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:02,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:11:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:02,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:02,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:02,091 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:02,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:02,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:02,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:02,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:02,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:02,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:02,099 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 11:11:02,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [418752299] [2020-09-21 11:11:02,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:02,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:02,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425327004] [2020-09-21 11:11:02,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:02,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:02,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:02,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:02,103 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2020-09-21 11:11:02,584 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:11:03,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:03,049 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2020-09-21 11:11:03,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:03,050 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:11:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:03,052 INFO L225 Difference]: With dead ends: 137 [2020-09-21 11:11:03,053 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 11:11:03,054 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:03,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 11:11:03,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 11:11:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 11:11:03,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-09-21 11:11:03,098 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-09-21 11:11:03,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:03,098 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-09-21 11:11:03,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:03,099 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-09-21 11:11:03,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:11:03,100 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:03,100 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 11:11:03,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:11:03,101 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:03,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:03,101 INFO L82 PathProgramCache]: Analyzing trace with hash -727692587, now seen corresponding path program 1 times [2020-09-21 11:11:03,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:03,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538418235] [2020-09-21 11:11:03,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:03,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:03,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:03,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:03,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:03,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:11:03,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:03,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 392 [2020-09-21 11:11:03,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:11:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:03,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-21 11:11:03,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:03,904 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:03,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:03,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:03,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:03,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:03,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:03,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:03,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:03,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-21 11:11:03,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:03,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:03,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:04,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:04,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:04,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:04,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:04,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:04,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:04,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:11:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:11:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:04,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:04,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:04,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:04,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:04,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:04,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:04,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:04,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:04,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:04,072 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 11:11:04,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538418235] [2020-09-21 11:11:04,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:04,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:11:04,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621344675] [2020-09-21 11:11:04,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:11:04,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:04,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:11:04,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:11:04,075 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 4 states. [2020-09-21 11:11:04,431 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:04,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:04,990 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2020-09-21 11:11:04,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:11:04,991 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-09-21 11:11:04,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:04,994 INFO L225 Difference]: With dead ends: 150 [2020-09-21 11:11:04,994 INFO L226 Difference]: Without dead ends: 98 [2020-09-21 11:11:04,995 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-09-21 11:11:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2020-09-21 11:11:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 11:11:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-09-21 11:11:05,019 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-09-21 11:11:05,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:05,020 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-09-21 11:11:05,020 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:11:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-09-21 11:11:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-21 11:11:05,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:05,022 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 11:11:05,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:11:05,022 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:05,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:05,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1037705015, now seen corresponding path program 1 times [2020-09-21 11:11:05,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:05,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101235382] [2020-09-21 11:11:05,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:11:05,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:11:05,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 406 [2020-09-21 11:11:05,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:11:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:11:05,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,791 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:05,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-21 11:11:05,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:05,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,896 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,897 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:05,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,902 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,902 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,902 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,902 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:05,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,908 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:05,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 11:11:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,913 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,913 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,913 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,913 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:05,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:05,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:05,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:11:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:05,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:05,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:11:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:05,937 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:05,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:05,938 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:05,938 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:05,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:05,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:05,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:05,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:05,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:05,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:05,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:05,947 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 11:11:05,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101235382] [2020-09-21 11:11:05,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:05,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:11:05,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693669519] [2020-09-21 11:11:05,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:11:05,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:05,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:11:05,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:05,950 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2020-09-21 11:11:06,389 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:07,279 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:07,597 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:07,901 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:08,189 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:08,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:08,526 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2020-09-21 11:11:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:11:08,527 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-09-21 11:11:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:08,529 INFO L225 Difference]: With dead ends: 189 [2020-09-21 11:11:08,530 INFO L226 Difference]: Without dead ends: 137 [2020-09-21 11:11:08,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:11:08,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-09-21 11:11:08,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 124. [2020-09-21 11:11:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 11:11:08,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-09-21 11:11:08,563 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 55 [2020-09-21 11:11:08,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:08,563 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-09-21 11:11:08,564 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:11:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-09-21 11:11:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:11:08,566 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:08,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:08,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:11:08,566 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:08,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:08,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1822718639, now seen corresponding path program 1 times [2020-09-21 11:11:08,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:08,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894061545] [2020-09-21 11:11:08,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:08,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:08,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:11:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-21 11:11:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:08,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:11:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:08,991 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:08,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:09,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 11:11:09,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:09,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:09,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:09,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:09,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:09,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:09,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,113 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,113 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,114 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:09,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:09,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:09,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:09,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,120 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:09,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:09,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:09,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:09,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:09,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,129 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,129 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:09,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:11:09,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:09,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:09,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:09,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:11:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:09,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:09,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:09,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:09,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:09,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:09,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:09,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:09,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-21 11:11:09,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:09,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:11:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,170 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,170 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:09,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:09,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:09,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:09,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:09,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:11:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:09,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:09,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:09,177 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:09,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:09,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:09,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:09,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:09,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:09,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:11:09,196 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 11:11:09,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894061545] [2020-09-21 11:11:09,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:09,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:11:09,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627546593] [2020-09-21 11:11:09,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:11:09,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:09,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:11:09,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:11:09,200 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 5 states. [2020-09-21 11:11:09,610 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:10,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:10,271 INFO L93 Difference]: Finished difference Result 187 states and 226 transitions. [2020-09-21 11:11:10,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:11:10,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-09-21 11:11:10,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:10,274 INFO L225 Difference]: With dead ends: 187 [2020-09-21 11:11:10,274 INFO L226 Difference]: Without dead ends: 124 [2020-09-21 11:11:10,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:11:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-09-21 11:11:10,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2020-09-21 11:11:10,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-09-21 11:11:10,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2020-09-21 11:11:10,308 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 59 [2020-09-21 11:11:10,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:10,308 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2020-09-21 11:11:10,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:11:10,309 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2020-09-21 11:11:10,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:11:10,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:11:10,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:11:10,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:11:10,311 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:11:10,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:11:10,311 INFO L82 PathProgramCache]: Analyzing trace with hash 821834557, now seen corresponding path program 1 times [2020-09-21 11:11:10,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:11:10,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1538416235] [2020-09-21 11:11:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:11:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:10,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:10,688 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:10,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:10,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:10,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-09-21 11:11:10,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:10,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 334 [2020-09-21 11:11:10,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:11:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:10,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:11:10,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,013 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:11:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:11:11,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:11:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,160 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:11,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:11,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:11:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:11,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:11:11,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:11,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:11:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:11:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,183 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:11,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:11,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-21 11:11:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,216 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,216 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:11:11,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:11:11,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:11:11,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:11:11,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:11:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:11:11,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:11:11,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:11:11,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:11:11,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:11:11,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:11:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:11:11,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:11:11,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:11:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:11:11,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:11:11,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:11:11,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:11:11,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:11:11,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:11:11,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:11:11,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:11:11,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:11:11,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:11:11,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:11:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:11:11,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:11:11,300 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 11:11:11,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1538416235] [2020-09-21 11:11:11,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:11:11,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:11:11,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563837493] [2020-09-21 11:11:11,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:11:11,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:11:11,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:11:11,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:11:11,304 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand 10 states. [2020-09-21 11:11:11,769 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:12,430 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:11:12,996 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:13,320 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:13,631 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:13,931 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:11:14,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:11:14,157 INFO L93 Difference]: Finished difference Result 165 states and 195 transitions. [2020-09-21 11:11:14,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:11:14,158 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2020-09-21 11:11:14,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:11:14,159 INFO L225 Difference]: With dead ends: 165 [2020-09-21 11:11:14,159 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:11:14,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:11:14,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:11:14,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:11:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:11:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:11:14,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-09-21 11:11:14,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:11:14,162 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:11:14,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:11:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:11:14,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:11:14,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:11:14,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:11:14,366 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,547 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,733 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:14,913 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:15,092 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:15,267 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:15,697 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 21 [2020-09-21 11:11:15,867 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:16,213 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:16,554 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:16,903 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:17,224 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-21 11:11:17,553 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:17,869 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-21 11:11:18,028 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:18,325 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 21 [2020-09-21 11:11:18,482 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:18,634 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:18,794 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:18,934 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:19,087 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:19,248 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:19,402 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:19,555 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:19,708 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:19,865 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:20,019 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:20,173 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:20,326 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:20,481 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:20,637 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:20,790 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:20,942 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:21,099 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:21,257 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:21,551 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 21 [2020-09-21 11:11:21,711 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:21,864 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:22,016 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:22,306 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 21 [2020-09-21 11:11:22,462 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:11:22,616 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:22,908 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 21 [2020-09-21 11:11:23,060 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:11:23,281 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:23,512 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:23,747 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:23,953 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:24,225 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:24,814 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:25,441 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:25,659 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:26,320 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-21 11:11:26,571 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:11:27,192 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:27,394 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:27,609 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:28,230 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-09-21 11:11:28,431 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:28,670 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:29,367 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-09-21 11:11:29,624 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:11:29,906 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 20 [2020-09-21 11:11:29,911 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-09-21 11:11:29,912 INFO L268 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2020-09-21 11:11:29,912 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-09-21 11:11:29,912 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 441 496) no Hoare annotation was computed. [2020-09-21 11:11:29,912 INFO L268 CegarLoopResult]: For program point L466-2(lines 466 487) no Hoare annotation was computed. [2020-09-21 11:11:29,912 INFO L268 CegarLoopResult]: For program point L488(lines 465 489) no Hoare annotation was computed. [2020-09-21 11:11:29,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 441 496) no Hoare annotation was computed. [2020-09-21 11:11:29,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 441 496) no Hoare annotation was computed. [2020-09-21 11:11:29,913 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 11:11:29,913 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-09-21 11:11:29,913 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 497 556) no Hoare annotation was computed. [2020-09-21 11:11:29,914 INFO L268 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2020-09-21 11:11:29,914 INFO L268 CegarLoopResult]: For program point L529-1(lines 529 533) no Hoare annotation was computed. [2020-09-21 11:11:29,914 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 497 556) no Hoare annotation was computed. [2020-09-21 11:11:29,914 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-09-21 11:11:29,914 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 497 556) no Hoare annotation was computed. [2020-09-21 11:11:29,914 INFO L268 CegarLoopResult]: For program point L523-2(lines 523 548) no Hoare annotation was computed. [2020-09-21 11:11:29,914 INFO L268 CegarLoopResult]: For program point L549(lines 522 550) no Hoare annotation was computed. [2020-09-21 11:11:29,915 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-09-21 11:11:29,915 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-09-21 11:11:29,915 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-09-21 11:11:29,915 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-09-21 11:11:29,915 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-09-21 11:11:29,915 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 363 387) the Hoare annotation is: true [2020-09-21 11:11:29,916 INFO L264 CegarLoopResult]: At program point L377(line 377) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:29,916 INFO L268 CegarLoopResult]: For program point L375(lines 375 381) no Hoare annotation was computed. [2020-09-21 11:11:29,916 INFO L264 CegarLoopResult]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 2)) .cse1) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2020-09-21 11:11:29,916 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-09-21 11:11:29,916 INFO L268 CegarLoopResult]: For program point L371(lines 371 384) no Hoare annotation was computed. [2020-09-21 11:11:29,916 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 363 387) no Hoare annotation was computed. [2020-09-21 11:11:29,916 INFO L268 CegarLoopResult]: For program point L371-1(lines 363 387) no Hoare annotation was computed. [2020-09-21 11:11:29,916 INFO L271 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: true [2020-09-21 11:11:29,917 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-09-21 11:11:29,917 INFO L264 CegarLoopResult]: At program point L833(line 833) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,917 INFO L264 CegarLoopResult]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,917 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,917 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2020-09-21 11:11:29,918 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2020-09-21 11:11:29,918 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,918 INFO L264 CegarLoopResult]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,918 INFO L268 CegarLoopResult]: For program point L837(lines 837 844) no Hoare annotation was computed. [2020-09-21 11:11:29,918 INFO L268 CegarLoopResult]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2020-09-21 11:11:29,918 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 786 809) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 786 809) no Hoare annotation was computed. [2020-09-21 11:11:29,919 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 786 809) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-09-21 11:11:29,920 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 158 166) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 158 166) the Hoare annotation is: true [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 158 166) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point L186(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point L186-2(lines 186 194) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 167 202) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point L174(lines 174 182) no Hoare annotation was computed. [2020-09-21 11:11:29,921 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 182) no Hoare annotation was computed. [2020-09-21 11:11:29,922 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 167 202) no Hoare annotation was computed. [2020-09-21 11:11:29,922 INFO L268 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-09-21 11:11:29,922 INFO L268 CegarLoopResult]: For program point L197-1(line 197) no Hoare annotation was computed. [2020-09-21 11:11:29,922 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 167 202) no Hoare annotation was computed. [2020-09-21 11:11:29,922 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-09-21 11:11:29,922 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-09-21 11:11:29,922 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 395 440) no Hoare annotation was computed. [2020-09-21 11:11:29,922 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 395 440) no Hoare annotation was computed. [2020-09-21 11:11:29,923 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 395 440) no Hoare annotation was computed. [2020-09-21 11:11:29,923 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 708 753) no Hoare annotation was computed. [2020-09-21 11:11:29,923 INFO L268 CegarLoopResult]: For program point L728(lines 728 735) no Hoare annotation was computed. [2020-09-21 11:11:29,923 INFO L268 CegarLoopResult]: For program point L722(lines 722 742) no Hoare annotation was computed. [2020-09-21 11:11:29,923 INFO L268 CegarLoopResult]: For program point L722-1(lines 722 742) no Hoare annotation was computed. [2020-09-21 11:11:29,923 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 708 753) no Hoare annotation was computed. [2020-09-21 11:11:29,923 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 708 753) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 817 826) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 817 826) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 817 826) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 147 157) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 147 157) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point L152-1(line 152) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 147 157) no Hoare annotation was computed. [2020-09-21 11:11:29,924 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 139 146) no Hoare annotation was computed. [2020-09-21 11:11:29,925 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 139 146) no Hoare annotation was computed. [2020-09-21 11:11:29,925 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 139 146) no Hoare annotation was computed. [2020-09-21 11:11:29,925 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 124 130) no Hoare annotation was computed. [2020-09-21 11:11:29,925 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 124 130) the Hoare annotation is: true [2020-09-21 11:11:29,925 INFO L264 CegarLoopResult]: At program point testENTRY(lines 215 280) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,925 INFO L268 CegarLoopResult]: For program point testFINAL(lines 215 280) no Hoare annotation was computed. [2020-09-21 11:11:29,925 INFO L264 CegarLoopResult]: At program point L273(lines 224 274) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0))) [2020-09-21 11:11:29,925 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-09-21 11:11:29,926 INFO L264 CegarLoopResult]: At program point L263-2(lines 255 268) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,926 INFO L268 CegarLoopResult]: For program point L226(lines 225 272) no Hoare annotation was computed. [2020-09-21 11:11:29,926 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,926 INFO L268 CegarLoopResult]: For program point L255(lines 255 268) no Hoare annotation was computed. [2020-09-21 11:11:29,926 INFO L264 CegarLoopResult]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,926 INFO L268 CegarLoopResult]: For program point L245(lines 245 251) no Hoare annotation was computed. [2020-09-21 11:11:29,926 INFO L268 CegarLoopResult]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2020-09-21 11:11:29,927 INFO L264 CegarLoopResult]: At program point L270(lines 225 272) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,927 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= 2 ~waterLevel~0) .cse0 .cse1) (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,927 INFO L268 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2020-09-21 11:11:29,927 INFO L268 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2020-09-21 11:11:29,927 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-09-21 11:11:29,927 INFO L268 CegarLoopResult]: For program point testEXIT(lines 215 280) no Hoare annotation was computed. [2020-09-21 11:11:29,927 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 662 707) no Hoare annotation was computed. [2020-09-21 11:11:29,927 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 662 707) no Hoare annotation was computed. [2020-09-21 11:11:29,928 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 662 707) no Hoare annotation was computed. [2020-09-21 11:11:29,928 INFO L268 CegarLoopResult]: For program point L682(lines 682 689) no Hoare annotation was computed. [2020-09-21 11:11:29,928 INFO L268 CegarLoopResult]: For program point L676(lines 676 696) no Hoare annotation was computed. [2020-09-21 11:11:29,928 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 696) no Hoare annotation was computed. [2020-09-21 11:11:29,928 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2020-09-21 11:11:29,928 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2020-09-21 11:11:29,928 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 330 352) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point L338(lines 338 346) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point L609(lines 608 628) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point L640-1(line 640) no Hoare annotation was computed. [2020-09-21 11:11:29,929 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 559 661) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point L605(lines 605 646) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point L583(lines 583 587) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point L647(lines 647 658) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 559 661) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point L610(lines 610 614) no Hoare annotation was computed. [2020-09-21 11:11:29,930 INFO L268 CegarLoopResult]: For program point L608-2(lines 608 628) no Hoare annotation was computed. [2020-09-21 11:11:29,931 INFO L268 CegarLoopResult]: For program point L629(lines 607 630) no Hoare annotation was computed. [2020-09-21 11:11:29,931 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 559 661) no Hoare annotation was computed. [2020-09-21 11:11:29,931 INFO L268 CegarLoopResult]: For program point L588(lines 588 604) no Hoare annotation was computed. [2020-09-21 11:11:29,931 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-09-21 11:11:29,931 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:29,931 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.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~string52.offset| |old(#t~string52.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#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~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.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~string11.offset| |old(#t~string11.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~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:11:29,932 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:29,932 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 131 138) no Hoare annotation was computed. [2020-09-21 11:11:29,932 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 131 138) no Hoare annotation was computed. [2020-09-21 11:11:29,932 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 131 138) no Hoare annotation was computed. [2020-09-21 11:11:29,932 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 353 361) the Hoare annotation is: true [2020-09-21 11:11:29,932 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2020-09-21 11:11:29,932 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2020-09-21 11:11:29,933 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2))) [2020-09-21 11:11:29,933 INFO L268 CegarLoopResult]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2020-09-21 11:11:29,933 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2020-09-21 11:11:29,933 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:29,933 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:11:29,933 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:29,933 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 321 329) no Hoare annotation was computed. [2020-09-21 11:11:29,933 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 321 329) no Hoare annotation was computed. [2020-09-21 11:11:29,934 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2020-09-21 11:11:29,934 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,934 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 100 123) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,934 INFO L264 CegarLoopResult]: At program point L111(lines 111 117) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,934 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 100 123) no Hoare annotation was computed. [2020-09-21 11:11:29,934 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1))) [2020-09-21 11:11:29,935 INFO L268 CegarLoopResult]: For program point L104(lines 103 122) no Hoare annotation was computed. [2020-09-21 11:11:29,935 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 100 123) no Hoare annotation was computed. [2020-09-21 11:11:29,935 INFO L271 CegarLoopResult]: At program point L770-1(lines 770 774) the Hoare annotation is: true [2020-09-21 11:11:29,935 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 756 785) no Hoare annotation was computed. [2020-09-21 11:11:29,935 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-09-21 11:11:29,935 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 756 785) the Hoare annotation is: true [2020-09-21 11:11:29,935 INFO L271 CegarLoopResult]: At program point L766-2(lines 766 780) the Hoare annotation is: true [2020-09-21 11:11:29,935 INFO L271 CegarLoopResult]: At program point L762(line 762) the Hoare annotation is: true [2020-09-21 11:11:29,936 INFO L268 CegarLoopResult]: For program point L762-1(line 762) no Hoare annotation was computed. [2020-09-21 11:11:29,936 INFO L271 CegarLoopResult]: At program point L781(lines 756 785) the Hoare annotation is: true [2020-09-21 11:11:29,936 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-09-21 11:11:29,936 INFO L268 CegarLoopResult]: For program point L770(lines 770 774) no Hoare annotation was computed. [2020-09-21 11:11:29,936 INFO L268 CegarLoopResult]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2020-09-21 11:11:29,936 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2020-09-21 11:11:29,936 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2020-09-21 11:11:29,936 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 810 816) no Hoare annotation was computed. [2020-09-21 11:11:29,936 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 810 816) the Hoare annotation is: true [2020-09-21 11:11:29,937 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:11:29,937 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-09-21 11:11:29,937 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:11:29,937 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:11:29,937 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:11:29,937 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 203 210) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))))) [2020-09-21 11:11:29,938 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 203 210) no Hoare annotation was computed. [2020-09-21 11:11:29,938 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2020-09-21 11:11:29,938 INFO L268 CegarLoopResult]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2020-09-21 11:11:29,938 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= 2 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-09-21 11:11:29,938 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:11:29,938 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-09-21 11:11:29,938 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-09-21 11:11:29,939 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-09-21 11:11:29,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:11:29 BoogieIcfgContainer [2020-09-21 11:11:29,959 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:11:29,961 INFO L168 Benchmark]: Toolchain (without parser) took 32263.60 ms. Allocated memory was 139.5 MB in the beginning and 564.7 MB in the end (delta: 425.2 MB). Free memory was 100.4 MB in the beginning and 232.0 MB in the end (delta: -131.6 MB). Peak memory consumption was 441.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:29,962 INFO L168 Benchmark]: CDTParser took 0.90 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:11:29,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.67 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 174.5 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:29,964 INFO L168 Benchmark]: Boogie Preprocessor took 98.27 ms. Allocated memory is still 203.4 MB. Free memory was 174.5 MB in the beginning and 169.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:29,965 INFO L168 Benchmark]: RCFGBuilder took 1141.12 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 169.8 MB in the beginning and 207.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:29,966 INFO L168 Benchmark]: TraceAbstraction took 30371.52 ms. Allocated memory was 236.5 MB in the beginning and 564.7 MB in the end (delta: 328.2 MB). Free memory was 206.1 MB in the beginning and 232.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 450.2 MB. Max. memory is 7.1 GB. [2020-09-21 11:11:29,969 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.67 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 99.8 MB in the beginning and 174.5 MB in the end (delta: -74.7 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.27 ms. Allocated memory is still 203.4 MB. Free memory was 174.5 MB in the beginning and 169.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.12 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 169.8 MB in the beginning and 207.6 MB in the end (delta: -37.8 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30371.52 ms. Allocated memory was 236.5 MB in the beginning and 564.7 MB in the end (delta: 328.2 MB). Free memory was 206.1 MB in the beginning and 232.0 MB in the end (delta: -25.9 MB). Peak memory consumption was 450.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(pumpRunning == 0) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 == waterLevel && splverifierCounter <= 0) && 1 == systemActive)) || !(pumpRunning == 0)) || ((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 435 SDtfs, 556 SDslu, 298 SDs, 0 SdLazy, 1120 SolverSat, 353 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred 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: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 99 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 174 PreInvPairs, 197 NumberOfFragments, 852 HoareAnnotationTreeSize, 174 FomulaSimplifications, 33608 FormulaSimplificationTreeSizeReduction, 8.8s HoareSimplificationTime, 42 FomulaSimplificationsInter, 6257 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 318 NumberOfCodeBlocks, 318 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 88016 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...