/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:58:04,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:58:04,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:58:04,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:58:04,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:58:04,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:58:04,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:58:04,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:58:04,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:58:04,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:58:04,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:58:04,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:58:04,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:58:04,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:58:04,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:58:04,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:58:04,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:58:04,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:58:04,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:58:04,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:58:04,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:58:04,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:58:04,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:58:04,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:58:04,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:58:04,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:58:04,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:58:04,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:58:04,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:58:04,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:58:04,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:58:04,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:58:04,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:58:04,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:58:04,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:58:04,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:58:04,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:58:04,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:58:04,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:58:04,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:58:04,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:58:04,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 06:58:04,185 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:58:04,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:58:04,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:58:04,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:58:04,188 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:58:04,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:58:04,189 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:58:04,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:58:04,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:58:04,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:58:04,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:58:04,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:58:04,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:58:04,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:58:04,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:58:04,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:58:04,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:58:04,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:58:04,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:58:04,193 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:58:04,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:58:04,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:58:04,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:58:04,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:58:04,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:58:04,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:58:04,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:58:04,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:58:04,195 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:58:04,195 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.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:58:04,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:58:04,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:58:04,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:58:04,529 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:58:04,529 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:58:04,530 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-10-14 06:58:04,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10fe313c3/a980649a40b84cf49afce46a126074f9/FLAGfd5941ee3 [2020-10-14 06:58:05,101 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:58:05,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product09.cil.c [2020-10-14 06:58:05,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10fe313c3/a980649a40b84cf49afce46a126074f9/FLAGfd5941ee3 [2020-10-14 06:58:05,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/10fe313c3/a980649a40b84cf49afce46a126074f9 [2020-10-14 06:58:05,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:58:05,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:58:05,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:58:05,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:58:05,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:58:05,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:58:05" (1/1) ... [2020-10-14 06:58:05,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf94a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:05, skipping insertion in model container [2020-10-14 06:58:05,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:58:05" (1/1) ... [2020-10-14 06:58:05,468 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:58:05,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:58:06,007 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:58:06,018 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:58:06,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:58:06,138 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:58:06,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06 WrapperNode [2020-10-14 06:58:06,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:58:06,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:58:06,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:58:06,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:58:06,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... [2020-10-14 06:58:06,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... [2020-10-14 06:58:06,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... [2020-10-14 06:58:06,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... [2020-10-14 06:58:06,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... [2020-10-14 06:58:06,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... [2020-10-14 06:58:06,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... [2020-10-14 06:58:06,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:58:06,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:58:06,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:58:06,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:58:06,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:58:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:58:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:58:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:58:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:58:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:58:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:58:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:58:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:58:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:58:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:58:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:58:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:58:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:58:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 06:58:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 06:58:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 06:58:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 06:58:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 06:58:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 06:58:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:58:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 06:58:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 06:58:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:58:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 06:58:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:58:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 06:58:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 06:58:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-14 06:58:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 06:58:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 06:58:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 06:58:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 06:58:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 06:58:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:58:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-14 06:58:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:58:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:58:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:58:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:58:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:58:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:58:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:58:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:58:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:58:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:58:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:58:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:58:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:58:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:58:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:58:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:58:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:58:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:58:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:58:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:58:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:58:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:58:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:58:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:58:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 06:58:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 06:58:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 06:58:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 06:58:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 06:58:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 06:58:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:58:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 06:58:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 06:58:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 06:58:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 06:58:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:58:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:58:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 06:58:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:58:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 06:58:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 06:58:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 06:58:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-14 06:58:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 06:58:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-14 06:58:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 06:58:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:58:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:58:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:58:07,286 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:58:07,286 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 06:58:07,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:58:07 BoogieIcfgContainer [2020-10-14 06:58:07,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:58:07,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:58:07,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:58:07,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:58:07,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:58:05" (1/3) ... [2020-10-14 06:58:07,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5069219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:58:07, skipping insertion in model container [2020-10-14 06:58:07,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:58:06" (2/3) ... [2020-10-14 06:58:07,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5069219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:58:07, skipping insertion in model container [2020-10-14 06:58:07,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:58:07" (3/3) ... [2020-10-14 06:58:07,299 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product09.cil.c [2020-10-14 06:58:07,310 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:58:07,317 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:58:07,331 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:58:07,356 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:58:07,356 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:58:07,356 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:58:07,356 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:58:07,357 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:58:07,357 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:58:07,357 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:58:07,357 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:58:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2020-10-14 06:58:07,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-14 06:58:07,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:58:07,389 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] [2020-10-14 06:58:07,389 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:58:07,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:58:07,396 INFO L82 PathProgramCache]: Analyzing trace with hash -830418585, now seen corresponding path program 1 times [2020-10-14 06:58:07,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:58:07,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801701609] [2020-10-14 06:58:07,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:58:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:07,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:08,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:08,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:09,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:10,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:10,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-14 06:58:10,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:58:10,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3056 [2020-10-14 06:58:10,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:10,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:10,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 06:58:10,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:10,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:58:11,178 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:58:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:58:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:11,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:11,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:11,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:11,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:11,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 06:58:11,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:11,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:11,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 06:58:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:58:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:11,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:11,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:11,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:11,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:11,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:11,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:11,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:11,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:11,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:11,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:58:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:11,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:11,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:11,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:11,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:11,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:11,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:11,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:11,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:11,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:11,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:58:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:11,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:11,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:11,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:11,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:11,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:58:11,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:11,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:11,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:11,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:11,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:11,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:11,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:58:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:11,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:11,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:11,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:11,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:11,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:58:11,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:11,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:11,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:11,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:11,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 06:58:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:11,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:11,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:11,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:11,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:11,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:11,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:11,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:11,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:11,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:11,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:58:11,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 06:58:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:11,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:11,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:11,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:11,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:11,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:58:11,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:11,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:11,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:11,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:58:11,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801701609] [2020-10-14 06:58:11,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:58:11,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 06:58:11,357 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907164572] [2020-10-14 06:58:11,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 06:58:11,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:58:11,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 06:58:11,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 06:58:11,384 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 3 states. [2020-10-14 06:58:12,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:58:12,188 INFO L93 Difference]: Finished difference Result 199 states and 270 transitions. [2020-10-14 06:58:12,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 06:58:12,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-14 06:58:12,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:58:12,204 INFO L225 Difference]: With dead ends: 199 [2020-10-14 06:58:12,204 INFO L226 Difference]: Without dead ends: 109 [2020-10-14 06:58:12,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 06:58:12,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-14 06:58:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-10-14 06:58:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 06:58:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions. [2020-10-14 06:58:12,280 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 46 [2020-10-14 06:58:12,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:58:12,281 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 94 transitions. [2020-10-14 06:58:12,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 06:58:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2020-10-14 06:58:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-14 06:58:12,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:58:12,285 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:58:12,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:58:12,285 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:58:12,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:58:12,286 INFO L82 PathProgramCache]: Analyzing trace with hash -840422466, now seen corresponding path program 1 times [2020-10-14 06:58:12,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:58:12,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176743417] [2020-10-14 06:58:12,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:58:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:12,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:12,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:12,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:13,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:14,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:14,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 06:58:14,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:58:14,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2532 [2020-10-14 06:58:14,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:14,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:14,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:14,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-14 06:58:14,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,139 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:58:15,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:58:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:15,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:15,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:15,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:15,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:15,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 06:58:15,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:15,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:15,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:58:15,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:58:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:15,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:15,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:15,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:15,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:15,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:15,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:15,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:15,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:15,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:58:15,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:58:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:15,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:15,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:15,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:15,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:15,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:15,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:58:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:58:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:15,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:15,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:15,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:15,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:15,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:58:15,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:15,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:15,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:58:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:58:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:15,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:15,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:15,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:15,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:15,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:15,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:15,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:15,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:15,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:58:15,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 06:58:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:15,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:15,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:15,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:15,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:15,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:15,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:15,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:15,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:15,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:58:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:15,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:15,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:15,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:15,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:15,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:15,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:15,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:15,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:15,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:15,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:58:15,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176743417] [2020-10-14 06:58:15,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:58:15,297 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 06:58:15,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526858931] [2020-10-14 06:58:15,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 06:58:15,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:58:15,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 06:58:15,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 06:58:15,300 INFO L87 Difference]: Start difference. First operand 81 states and 94 transitions. Second operand 5 states. [2020-10-14 06:58:15,587 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 06:58:16,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:58:16,253 INFO L93 Difference]: Finished difference Result 166 states and 214 transitions. [2020-10-14 06:58:16,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 06:58:16,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-10-14 06:58:16,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:58:16,256 INFO L225 Difference]: With dead ends: 166 [2020-10-14 06:58:16,256 INFO L226 Difference]: Without dead ends: 109 [2020-10-14 06:58:16,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 06:58:16,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-14 06:58:16,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 81. [2020-10-14 06:58:16,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-14 06:58:16,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 93 transitions. [2020-10-14 06:58:16,293 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 93 transitions. Word has length 47 [2020-10-14 06:58:16,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:58:16,294 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 93 transitions. [2020-10-14 06:58:16,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 06:58:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2020-10-14 06:58:16,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-14 06:58:16,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:58:16,296 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] [2020-10-14 06:58:16,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:58:16,297 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:58:16,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:58:16,297 INFO L82 PathProgramCache]: Analyzing trace with hash -812242293, now seen corresponding path program 1 times [2020-10-14 06:58:16,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:58:16,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812754670] [2020-10-14 06:58:16,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:58:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:16,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:16,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:16,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:17,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 06:58:19,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 06:58:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2898 [2020-10-14 06:58:19,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 06:58:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:58:19,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:19,483 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:58:19,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:58:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:19,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 06:58:19,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:19,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:19,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:58:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:19,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:19,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:58:19,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:58:19,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:19,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:58:19,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:58:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:58:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:19,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:58:19,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:19,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:58:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:19,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:19,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 06:58:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:19,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:58:19,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 06:58:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:19,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 06:58:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:19,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:19,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:19,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:19,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 06:58:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:19,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:19,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:19,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:19,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:19,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:19,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:19,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:19,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:19,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:58:19,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [812754670] [2020-10-14 06:58:19,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:58:19,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 06:58:19,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366666265] [2020-10-14 06:58:19,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 06:58:19,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:58:19,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 06:58:19,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 06:58:19,631 INFO L87 Difference]: Start difference. First operand 81 states and 93 transitions. Second operand 4 states. [2020-10-14 06:58:20,133 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 06:58:20,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:58:20,562 INFO L93 Difference]: Finished difference Result 132 states and 158 transitions. [2020-10-14 06:58:20,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 06:58:20,563 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-10-14 06:58:20,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:58:20,565 INFO L225 Difference]: With dead ends: 132 [2020-10-14 06:58:20,565 INFO L226 Difference]: Without dead ends: 93 [2020-10-14 06:58:20,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 06:58:20,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-14 06:58:20,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 72. [2020-10-14 06:58:20,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-14 06:58:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2020-10-14 06:58:20,600 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 50 [2020-10-14 06:58:20,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:58:20,600 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2020-10-14 06:58:20,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 06:58:20,600 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2020-10-14 06:58:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 06:58:20,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:58:20,605 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] [2020-10-14 06:58:20,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:58:20,606 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:58:20,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:58:20,606 INFO L82 PathProgramCache]: Analyzing trace with hash 132896390, now seen corresponding path program 1 times [2020-10-14 06:58:20,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:58:20,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427513966] [2020-10-14 06:58:20,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:58:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:20,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:20,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:21,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:21,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:21,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 06:58:21,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 06:58:21,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1115 [2020-10-14 06:58:21,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:21,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 06:58:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 06:58:21,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 06:58:21,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,099 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:58:22,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:58:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:22,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 06:58:22,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 06:58:22,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:58:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:22,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:22,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:58:22,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:58:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:22,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:22,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:58:22,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:58:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:22,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:58:22,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:58:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:22,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:22,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:58:22,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-14 06:58:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:58:22,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:22,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 06:58:22,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 06:58:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:22,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:58:22,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:58:22,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:58:22,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 06:58:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:22,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:22,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:22,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:58:22,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:22,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:58:22,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:22,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:58:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:22,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:58:22,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 06:58:22,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427513966] [2020-10-14 06:58:22,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:58:22,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 06:58:22,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196945745] [2020-10-14 06:58:22,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 06:58:22,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:58:22,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 06:58:22,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-14 06:58:22,300 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand 7 states. [2020-10-14 06:58:22,644 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 06:58:23,356 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 06:58:23,657 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 06:58:23,886 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 06:58:23,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:58:23,964 INFO L93 Difference]: Finished difference Result 129 states and 157 transitions. [2020-10-14 06:58:23,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 06:58:23,965 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-10-14 06:58:23,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:58:23,966 INFO L225 Difference]: With dead ends: 129 [2020-10-14 06:58:23,966 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 06:58:23,967 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:58:23,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 06:58:23,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 06:58:23,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 06:58:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 06:58:23,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2020-10-14 06:58:23,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:58:23,969 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 06:58:23,969 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 06:58:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 06:58:23,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 06:58:23,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:58:23,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 06:58:25,011 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:25,165 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:25,326 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:25,499 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:25,652 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-10-14 06:58:25,792 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-10-14 06:58:25,937 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:26,107 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:26,263 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:26,467 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 06:58:26,618 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 06:58:26,784 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 06:58:26,984 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 06:58:27,133 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 16 [2020-10-14 06:58:27,138 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-10-14 06:58:27,138 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-10-14 06:58:27,139 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 06:58:27,139 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-10-14 06:58:27,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-10-14 06:58:27,139 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-10-14 06:58:27,139 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-10-14 06:58:27,140 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-10-14 06:58:27,141 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-10-14 06:58:27,141 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-10-14 06:58:27,141 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-10-14 06:58:27,141 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-10-14 06:58:27,141 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-10-14 06:58:27,141 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-10-14 06:58:27,141 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-10-14 06:58:27,142 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-10-14 06:58:27,142 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 614 636) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,142 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 614 636) no Hoare annotation was computed. [2020-10-14 06:58:27,142 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,142 INFO L264 CegarLoopResult]: At program point L626-1(line 626) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,142 INFO L268 CegarLoopResult]: For program point L624(lines 624 631) no Hoare annotation was computed. [2020-10-14 06:58:27,143 INFO L268 CegarLoopResult]: For program point L624-1(lines 624 631) no Hoare annotation was computed. [2020-10-14 06:58:27,143 INFO L268 CegarLoopResult]: For program point L622(line 622) no Hoare annotation was computed. [2020-10-14 06:58:27,143 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,143 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 614 636) no Hoare annotation was computed. [2020-10-14 06:58:27,143 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,143 INFO L264 CegarLoopResult]: At program point L620-1(line 620) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,144 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-14 06:58:27,144 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 572 595) no Hoare annotation was computed. [2020-10-14 06:58:27,144 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 572 595) no Hoare annotation was computed. [2020-10-14 06:58:27,144 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 572 595) no Hoare annotation was computed. [2020-10-14 06:58:27,144 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-14 06:58:27,144 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-14 06:58:27,144 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-14 06:58:27,145 INFO L268 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 676 683) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 676 683) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 676 683) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 721 729) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 721 729) the Hoare annotation is: true [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 721 729) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-10-14 06:58:27,146 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point L760-1(line 760) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 730 765) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point L749-2(lines 749 757) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 730 765) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 730 765) no Hoare annotation was computed. [2020-10-14 06:58:27,147 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-10-14 06:58:27,148 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-10-14 06:58:27,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-10-14 06:58:27,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-10-14 06:58:27,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-10-14 06:58:27,148 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-10-14 06:58:27,148 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-10-14 06:58:27,148 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-10-14 06:58:27,148 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-10-14 06:58:27,149 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-10-14 06:58:27,149 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-10-14 06:58:27,149 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 604 613) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,149 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 604 613) no Hoare annotation was computed. [2020-10-14 06:58:27,149 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 604 613) no Hoare annotation was computed. [2020-10-14 06:58:27,149 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 710 720) no Hoare annotation was computed. [2020-10-14 06:58:27,149 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-10-14 06:58:27,149 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 710 720) no Hoare annotation was computed. [2020-10-14 06:58:27,150 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-10-14 06:58:27,150 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 710 720) no Hoare annotation was computed. [2020-10-14 06:58:27,150 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 702 709) no Hoare annotation was computed. [2020-10-14 06:58:27,150 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 702 709) no Hoare annotation was computed. [2020-10-14 06:58:27,150 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 702 709) no Hoare annotation was computed. [2020-10-14 06:58:27,150 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 669 675) no Hoare annotation was computed. [2020-10-14 06:58:27,150 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 669 675) the Hoare annotation is: true [2020-10-14 06:58:27,151 INFO L264 CegarLoopResult]: At program point testENTRY(lines 767 830) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,151 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,151 INFO L268 CegarLoopResult]: For program point L797(lines 797 803) no Hoare annotation was computed. [2020-10-14 06:58:27,151 INFO L268 CegarLoopResult]: For program point L797-1(lines 797 803) no Hoare annotation was computed. [2020-10-14 06:58:27,151 INFO L268 CegarLoopResult]: For program point testFINAL(lines 767 830) no Hoare annotation was computed. [2020-10-14 06:58:27,151 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,151 INFO L264 CegarLoopResult]: At program point L820(lines 777 822) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,152 INFO L268 CegarLoopResult]: For program point L787(lines 787 793) no Hoare annotation was computed. [2020-10-14 06:58:27,152 INFO L268 CegarLoopResult]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2020-10-14 06:58:27,152 INFO L268 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2020-10-14 06:58:27,152 INFO L264 CegarLoopResult]: At program point L823(lines 776 824) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-14 06:58:27,152 INFO L268 CegarLoopResult]: For program point L813(lines 813 817) no Hoare annotation was computed. [2020-10-14 06:58:27,152 INFO L264 CegarLoopResult]: At program point L813-2(lines 807 818) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,152 INFO L268 CegarLoopResult]: For program point L778(lines 777 822) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point L807(lines 807 818) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point testEXIT(lines 767 830) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-10-14 06:58:27,153 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-10-14 06:58:27,154 INFO L268 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-10-14 06:58:27,154 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-10-14 06:58:27,154 INFO L268 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-10-14 06:58:27,154 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-10-14 06:58:27,154 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-10-14 06:58:27,154 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-10-14 06:58:27,154 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-10-14 06:58:27,155 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-10-14 06:58:27,156 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-10-14 06:58:27,157 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-10-14 06:58:27,157 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 06:58:27,157 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 06:58:27,157 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 06:58:27,157 INFO L268 CegarLoopResult]: For program point L690-1(line 690) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 685 701) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 685 701) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point L696-1(lines 685 701) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 520 528) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-10-14 06:58:27,158 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-10-14 06:58:27,159 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 06:58:27,159 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 06:58:27,159 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 06:58:27,159 INFO L268 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-10-14 06:58:27,159 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 06:58:27,159 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-10-14 06:58:27,159 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2020-10-14 06:58:27,159 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-10-14 06:58:27,160 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-10-14 06:58:27,160 INFO L264 CegarLoopResult]: At program point L658(line 658) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,160 INFO L264 CegarLoopResult]: At program point L656(lines 656 662) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,160 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 645 668) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,160 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-14 06:58:27,160 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 645 668) no Hoare annotation was computed. [2020-10-14 06:58:27,160 INFO L268 CegarLoopResult]: For program point L649(lines 648 667) no Hoare annotation was computed. [2020-10-14 06:58:27,161 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 645 668) no Hoare annotation was computed. [2020-10-14 06:58:27,161 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 541 570) no Hoare annotation was computed. [2020-10-14 06:58:27,161 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 541 570) the Hoare annotation is: true [2020-10-14 06:58:27,161 INFO L271 CegarLoopResult]: At program point L566(lines 541 570) the Hoare annotation is: true [2020-10-14 06:58:27,161 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-14 06:58:27,161 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-10-14 06:58:27,161 INFO L271 CegarLoopResult]: At program point L555-1(lines 555 559) the Hoare annotation is: true [2020-10-14 06:58:27,161 INFO L268 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-14 06:58:27,162 INFO L271 CegarLoopResult]: At program point L551-2(lines 551 565) the Hoare annotation is: true [2020-10-14 06:58:27,162 INFO L271 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: true [2020-10-14 06:58:27,162 INFO L268 CegarLoopResult]: For program point L547-1(line 547) no Hoare annotation was computed. [2020-10-14 06:58:27,162 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-10-14 06:58:27,162 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-10-14 06:58:27,162 INFO L268 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-10-14 06:58:27,162 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 596 602) no Hoare annotation was computed. [2020-10-14 06:58:27,162 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 596 602) the Hoare annotation is: true [2020-10-14 06:58:27,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 06:58:27,163 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2020-10-14 06:58:27,163 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 06:58:27,163 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 06:58:27,163 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-10-14 06:58:27,163 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-14 06:58:27,163 INFO L268 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-10-14 06:58:27,163 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-10-14 06:58:27,164 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-10-14 06:58:27,164 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-10-14 06:58:27,164 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-10-14 06:58:27,164 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 832 856) the Hoare annotation is: true [2020-10-14 06:58:27,164 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 832 856) no Hoare annotation was computed. [2020-10-14 06:58:27,165 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-14 06:58:27,165 INFO L268 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-10-14 06:58:27,165 INFO L271 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: true [2020-10-14 06:58:27,165 INFO L268 CegarLoopResult]: For program point L842-1(line 842) no Hoare annotation was computed. [2020-10-14 06:58:27,165 INFO L268 CegarLoopResult]: For program point L840(lines 840 853) no Hoare annotation was computed. [2020-10-14 06:58:27,165 INFO L268 CegarLoopResult]: For program point L840-1(lines 832 856) no Hoare annotation was computed. [2020-10-14 06:58:27,165 INFO L271 CegarLoopResult]: At program point L838(line 838) the Hoare annotation is: true [2020-10-14 06:58:27,165 INFO L268 CegarLoopResult]: For program point L838-1(line 838) no Hoare annotation was computed. [2020-10-14 06:58:27,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 06:58:27 BoogieIcfgContainer [2020-10-14 06:58:27,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 06:58:27,184 INFO L168 Benchmark]: Toolchain (without parser) took 21736.10 ms. Allocated memory was 146.3 MB in the beginning and 576.2 MB in the end (delta: 429.9 MB). Free memory was 101.0 MB in the beginning and 189.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 448.4 MB. Max. memory is 7.1 GB. [2020-10-14 06:58:27,185 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-14 06:58:27,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.80 ms. Allocated memory was 146.3 MB in the beginning and 200.8 MB in the end (delta: 54.5 MB). Free memory was 101.0 MB in the beginning and 168.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2020-10-14 06:58:27,187 INFO L168 Benchmark]: Boogie Preprocessor took 93.22 ms. Allocated memory is still 200.8 MB. Free memory was 168.3 MB in the beginning and 163.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-14 06:58:27,187 INFO L168 Benchmark]: RCFGBuilder took 1058.47 ms. Allocated memory was 200.8 MB in the beginning and 234.9 MB in the end (delta: 34.1 MB). Free memory was 163.5 MB in the beginning and 196.8 MB in the end (delta: -33.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-10-14 06:58:27,188 INFO L168 Benchmark]: TraceAbstraction took 19889.18 ms. Allocated memory was 234.9 MB in the beginning and 576.2 MB in the end (delta: 341.3 MB). Free memory was 196.8 MB in the beginning and 189.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 455.6 MB. Max. memory is 7.1 GB. [2020-10-14 06:58:27,193 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.80 ms. Allocated memory was 146.3 MB in the beginning and 200.8 MB in the end (delta: 54.5 MB). Free memory was 101.0 MB in the beginning and 168.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.22 ms. Allocated memory is still 200.8 MB. Free memory was 168.3 MB in the beginning and 163.5 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1058.47 ms. Allocated memory was 200.8 MB in the beginning and 234.9 MB in the end (delta: 34.1 MB). Free memory was 163.5 MB in the beginning and 196.8 MB in the end (delta: -33.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19889.18 ms. Allocated memory was 234.9 MB in the beginning and 576.2 MB in the end (delta: 341.3 MB). Free memory was 196.8 MB in the beginning and 189.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 455.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 777]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || splverifierCounter <= 0) || !(1 == systemActive) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(pumpRunning == 0) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 280 SDtfs, 407 SDslu, 85 SDs, 0 SdLazy, 498 SolverSat, 225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 132 PreInvPairs, 148 NumberOfFragments, 472 HoareAnnotationTreeSize, 132 FomulaSimplifications, 7572 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 40 FomulaSimplificationsInter, 4407 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 50734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...