/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:46:32,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:46:32,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:46:32,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:46:32,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:46:32,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:46:32,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:46:32,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:46:32,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:46:32,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:46:32,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:46:32,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:46:32,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:46:32,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:46:32,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:46:32,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:46:32,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:46:32,639 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:46:32,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:46:32,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:46:32,646 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:46:32,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:46:32,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:46:32,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:46:32,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:46:32,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:46:32,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:46:32,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:46:32,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:46:32,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:46:32,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:46:32,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:46:32,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:46:32,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:46:32,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:46:32,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:46:32,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:46:32,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:46:32,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:46:32,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:46:32,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:46:32,714 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 [2020-10-28 16:46:32,743 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:46:32,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:46:32,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:46:32,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:46:32,746 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:46:32,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:46:32,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:46:32,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:46:32,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:46:32,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:46:32,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:46:32,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:46:32,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:46:32,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:46:32,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:46:32,748 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:46:32,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:46:32,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:46:32,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:46:32,749 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:46:32,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:46:32,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:46:32,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:46:32,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:46:32,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:46:32,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:46:32,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:46:32,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:46:32,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:46:32,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:46:33,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:46:33,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:46:33,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:46:33,233 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:46:33,234 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:46:33,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-10-28 16:46:33,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8326d8af0/765c4f57e99e42c895ccb52e3400410e/FLAG4b8bd79c3 [2020-10-28 16:46:34,006 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:46:34,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product26.cil.c [2020-10-28 16:46:34,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8326d8af0/765c4f57e99e42c895ccb52e3400410e/FLAG4b8bd79c3 [2020-10-28 16:46:34,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8326d8af0/765c4f57e99e42c895ccb52e3400410e [2020-10-28 16:46:34,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:46:34,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:46:34,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:34,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:46:34,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:46:34,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:34" (1/1) ... [2020-10-28 16:46:34,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@490ed2d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:34, skipping insertion in model container [2020-10-28 16:46:34,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:46:34" (1/1) ... [2020-10-28 16:46:34,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:46:34,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:46:34,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:34,908 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:46:35,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:46:35,137 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:46:35,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35 WrapperNode [2020-10-28 16:46:35,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:46:35,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:46:35,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:46:35,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:46:35,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (1/1) ... [2020-10-28 16:46:35,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (1/1) ... [2020-10-28 16:46:35,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (1/1) ... [2020-10-28 16:46:35,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (1/1) ... [2020-10-28 16:46:35,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (1/1) ... [2020-10-28 16:46:35,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (1/1) ... [2020-10-28 16:46:35,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (1/1) ... [2020-10-28 16:46:35,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:46:35,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:46:35,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:46:35,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:46:35,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (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 [2020-10-28 16:46:35,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:46:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:46:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:46:35,366 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:46:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:46:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:46:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:46:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:35,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:46:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:46:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:46:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:46:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:46:35,368 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:46:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:46:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:46:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:46:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:46:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:46:35,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:46:35,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 16:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:46:35,371 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:46:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:46:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:46:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:46:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:46:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:46:35,372 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:46:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:46:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:46:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:46:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:46:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:46:35,373 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:46:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:46:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:46:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:46:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:46:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:46:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:46:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:46:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:46:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:46:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:46:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:46:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:46:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:46:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:46:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:46:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:46:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:46:35,377 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:46:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:46:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:46:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:46:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:46:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:46:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:46:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:46:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:46:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:46:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:46:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:46:35,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:46:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:46:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:46:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:46:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:46:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:46:35,380 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:46:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:46:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:46:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:46:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 16:46:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:46:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:46:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:46:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:46:36,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:46:36,758 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:46:36,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:36 BoogieIcfgContainer [2020-10-28 16:46:36,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:46:36,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:46:36,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:46:36,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:46:36,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:46:34" (1/3) ... [2020-10-28 16:46:36,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d35d8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:36, skipping insertion in model container [2020-10-28 16:46:36,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:46:35" (2/3) ... [2020-10-28 16:46:36,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d35d8de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:46:36, skipping insertion in model container [2020-10-28 16:46:36,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:46:36" (3/3) ... [2020-10-28 16:46:36,770 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2020-10-28 16:46:36,782 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:46:36,788 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:46:36,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:46:36,829 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:46:36,829 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:46:36,830 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:46:36,830 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:46:36,830 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:46:36,830 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:46:36,830 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:46:36,830 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:46:36,853 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-10-28 16:46:36,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:46:36,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:36,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:36,863 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:36,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:36,870 INFO L82 PathProgramCache]: Analyzing trace with hash 788931685, now seen corresponding path program 1 times [2020-10-28 16:46:36,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:36,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199338486] [2020-10-28 16:46:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:37,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:37,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:38,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:42,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:42,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:46:42,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:42,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:46:42,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:42,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:42,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:46:42,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:42,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-28 16:46:43,076 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:43,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:43,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 16:46:43,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:43,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:43,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:43,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:43,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:43,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:43,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:43,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:43,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:43,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:46:43,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:43,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:43,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:43,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:43,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:43,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:43,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:46:43,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:43,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:46:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:43,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:43,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:43,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:43,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:43,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:43,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:43,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:43,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:43,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:46:43,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:43,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:43,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:43,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:43,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199338486] [2020-10-28 16:46:43,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:43,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:46:43,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863153037] [2020-10-28 16:46:43,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:46:43,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:43,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:46:43,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:43,357 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 4 states. [2020-10-28 16:46:45,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:45,346 INFO L93 Difference]: Finished difference Result 261 states and 342 transitions. [2020-10-28 16:46:45,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:46:45,348 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:46:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:45,362 INFO L225 Difference]: With dead ends: 261 [2020-10-28 16:46:45,362 INFO L226 Difference]: Without dead ends: 145 [2020-10-28 16:46:45,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:46:45,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-28 16:46:45,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2020-10-28 16:46:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-28 16:46:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-10-28 16:46:45,459 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2020-10-28 16:46:45,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:45,460 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-10-28 16:46:45,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:46:45,460 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-10-28 16:46:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:46:45,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:45,464 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] [2020-10-28 16:46:45,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:46:45,464 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:45,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:45,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1748938939, now seen corresponding path program 1 times [2020-10-28 16:46:45,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:45,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983689669] [2020-10-28 16:46:45,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:45,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:45,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:46,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:47,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:50,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:46:50,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 16:46:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:50,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:46:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:46:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,230 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:51,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:51,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:46:51,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:51,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:46:51,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:51,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:51,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:51,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:51,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:51,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:51,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:51,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:51,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:51,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:51,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:51,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:51,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:51,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:51,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:51,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:51,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:51,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:46:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:51,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:51,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:51,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:51,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:51,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:51,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:51,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:51,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:51,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:51,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:51,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:46:51,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983689669] [2020-10-28 16:46:51,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:51,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:46:51,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115053647] [2020-10-28 16:46:51,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:46:51,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:51,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:46:51,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:46:51,363 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 5 states. [2020-10-28 16:46:52,505 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:54,165 INFO L93 Difference]: Finished difference Result 199 states and 245 transitions. [2020-10-28 16:46:54,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:46:54,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:46:54,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:54,170 INFO L225 Difference]: With dead ends: 199 [2020-10-28 16:46:54,170 INFO L226 Difference]: Without dead ends: 135 [2020-10-28 16:46:54,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:46:54,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-28 16:46:54,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-10-28 16:46:54,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-28 16:46:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2020-10-28 16:46:54,232 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2020-10-28 16:46:54,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:54,232 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2020-10-28 16:46:54,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:46:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2020-10-28 16:46:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:46:54,235 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:54,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:54,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:46:54,235 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:54,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:54,236 INFO L82 PathProgramCache]: Analyzing trace with hash 2145811334, now seen corresponding path program 1 times [2020-10-28 16:46:54,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:54,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [795978087] [2020-10-28 16:46:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:54,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:54,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:54,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:55,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:55,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:59,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:59,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:46:59,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:59,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:46:59,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:59,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:59,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:59,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:46:59,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:00,079 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:00,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:00,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 16:47:00,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:00,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:00,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:00,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:00,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:00,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:00,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:00,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:00,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:00,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:00,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:00,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:00,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:00,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:00,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:00,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:00,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:00,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:00,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:00,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:00,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:00,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:00,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:00,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:00,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:00,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:00,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:00,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:00,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:00,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:00,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:00,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:00,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 16:47:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:00,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:00,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:00,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:00,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:00,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:00,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:00,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:00,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:00,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:00,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:00,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:47:00,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [795978087] [2020-10-28 16:47:00,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:00,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:00,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76312785] [2020-10-28 16:47:00,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:00,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:00,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:00,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:00,279 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 6 states. [2020-10-28 16:47:01,143 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:02,852 INFO L93 Difference]: Finished difference Result 212 states and 264 transitions. [2020-10-28 16:47:02,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 16:47:02,856 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 16:47:02,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:02,859 INFO L225 Difference]: With dead ends: 212 [2020-10-28 16:47:02,859 INFO L226 Difference]: Without dead ends: 135 [2020-10-28 16:47:02,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:47:02,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-10-28 16:47:02,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-10-28 16:47:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-28 16:47:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2020-10-28 16:47:02,899 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2020-10-28 16:47:02,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:02,899 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2020-10-28 16:47:02,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:02,900 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2020-10-28 16:47:02,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 16:47:02,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:02,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:02,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:47:02,903 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:47:02,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:02,903 INFO L82 PathProgramCache]: Analyzing trace with hash -325487049, now seen corresponding path program 1 times [2020-10-28 16:47:02,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:02,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637161457] [2020-10-28 16:47:02,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:02,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:03,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:03,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:04,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:07,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 16:47:07,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:07,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 16:47:07,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:07,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:07,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:47:07,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:47:07,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-28 16:47:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,696 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:08,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:47:08,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:08,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:08,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:08,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:08,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:08,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:08,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:47:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:47:08,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:08,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:47:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:08,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:08,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 16:47:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:08,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 16:47:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:08,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:08,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:08,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:08,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:08,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:08,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:08,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:08,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:08,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:47:08,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637161457] [2020-10-28 16:47:08,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:08,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:08,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137617988] [2020-10-28 16:47:08,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:08,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:08,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:08,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:08,844 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 6 states. [2020-10-28 16:47:09,722 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:13,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:13,651 INFO L93 Difference]: Finished difference Result 279 states and 386 transitions. [2020-10-28 16:47:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:47:13,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-10-28 16:47:13,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:13,658 INFO L225 Difference]: With dead ends: 279 [2020-10-28 16:47:13,659 INFO L226 Difference]: Without dead ends: 275 [2020-10-28 16:47:13,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:47:13,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-28 16:47:13,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 182. [2020-10-28 16:47:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-10-28 16:47:13,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 212 transitions. [2020-10-28 16:47:13,745 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 212 transitions. Word has length 66 [2020-10-28 16:47:13,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:13,745 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 212 transitions. [2020-10-28 16:47:13,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 212 transitions. [2020-10-28 16:47:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-28 16:47:13,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:13,749 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:13,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:47:13,749 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:47:13,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:13,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1984482150, now seen corresponding path program 1 times [2020-10-28 16:47:13,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:13,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91852541] [2020-10-28 16:47:13,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:13,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:14,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:14,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:14,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:14,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:15,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 16:47:18,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 16:47:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:47:18,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:47:18,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:47:18,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,435 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:19,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:47:19,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:19,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:19,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-28 16:47:19,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:47:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 16:47:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 16:47:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 16:47:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:19,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:47:19,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:47:19,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:47:19,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:47:19,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:19,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:47:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:47:19,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:47:19,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:47:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-28 16:47:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 16:47:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:19,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:47:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:47:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:47:19,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:47:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:19,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 16:47:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:47:19,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:47:19,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 16:47:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:19,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-28 16:47:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:19,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 16:47:19,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91852541] [2020-10-28 16:47:19,872 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:47:19,872 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:47:19,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258016101] [2020-10-28 16:47:19,873 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:47:19,873 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:19,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:47:19,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:47:19,874 INFO L87 Difference]: Start difference. First operand 182 states and 212 transitions. Second operand 11 states. [2020-10-28 16:47:20,826 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:23,077 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:47:23,970 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:47:25,581 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-28 16:47:26,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:26,184 INFO L93 Difference]: Finished difference Result 262 states and 331 transitions. [2020-10-28 16:47:26,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:47:26,186 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 105 [2020-10-28 16:47:26,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:26,187 INFO L225 Difference]: With dead ends: 262 [2020-10-28 16:47:26,187 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:47:26,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-28 16:47:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:47:26,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:47:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:47:26,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:47:26,191 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2020-10-28 16:47:26,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:26,191 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:47:26,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:47:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:47:26,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:47:26,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:47:26,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:47:26,970 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 220 [2020-10-28 16:47:27,366 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 220 [2020-10-28 16:47:28,427 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 219 [2020-10-28 16:47:29,015 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:29,612 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:30,262 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:30,938 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-28 16:47:31,152 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-10-28 16:47:31,827 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:32,499 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:33,178 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:33,817 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-10-28 16:47:34,460 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:35,134 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:35,737 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:35,921 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-10-28 16:47:36,533 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-28 16:47:37,189 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-10-28 16:47:37,864 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-10-28 16:47:38,499 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:39,099 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:39,736 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:40,408 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-10-28 16:47:41,000 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:41,613 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:42,250 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:47:42,450 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-10-28 16:47:43,060 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:47:43,067 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:47:43,067 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:47:43,067 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:47:43,067 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:47:43,067 INFO L274 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point L409-1(lines 409 413) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 378 433) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point L403-2(lines 403 424) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point L425(lines 402 426) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 378 433) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 378 433) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-10-28 16:47:43,068 INFO L274 CegarLoopResult]: For program point L479-1(line 479) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 434 493) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point L466-1(lines 466 470) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 434 493) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point L460-2(lines 460 485) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 434 493) no Hoare annotation was computed. [2020-10-28 16:47:43,069 INFO L274 CegarLoopResult]: For program point L486(lines 459 487) no Hoare annotation was computed. [2020-10-28 16:47:43,070 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-28 16:47:43,070 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-28 16:47:43,070 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-28 16:47:43,070 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-28 16:47:43,070 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-28 16:47:43,070 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 200 222) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,070 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 200 222) no Hoare annotation was computed. [2020-10-28 16:47:43,071 INFO L270 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,071 INFO L270 CegarLoopResult]: At program point L212-1(line 212) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,071 INFO L274 CegarLoopResult]: For program point L210(lines 210 217) no Hoare annotation was computed. [2020-10-28 16:47:43,071 INFO L274 CegarLoopResult]: For program point L210-1(lines 210 217) no Hoare annotation was computed. [2020-10-28 16:47:43,071 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-28 16:47:43,071 INFO L270 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,071 INFO L270 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,072 INFO L270 CegarLoopResult]: At program point L206-1(line 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,072 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 200 222) no Hoare annotation was computed. [2020-10-28 16:47:43,072 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 157 180) no Hoare annotation was computed. [2020-10-28 16:47:43,072 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 157 180) no Hoare annotation was computed. [2020-10-28 16:47:43,072 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 157 180) no Hoare annotation was computed. [2020-10-28 16:47:43,072 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-28 16:47:43,072 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-10-28 16:47:43,073 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-28 16:47:43,074 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 16:47:43,074 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 800 808) no Hoare annotation was computed. [2020-10-28 16:47:43,074 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 800 808) the Hoare annotation is: true [2020-10-28 16:47:43,074 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 800 808) no Hoare annotation was computed. [2020-10-28 16:47:43,074 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 845 863) the Hoare annotation is: true [2020-10-28 16:47:43,074 INFO L274 CegarLoopResult]: For program point L854(lines 854 858) no Hoare annotation was computed. [2020-10-28 16:47:43,074 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 845 863) no Hoare annotation was computed. [2020-10-28 16:47:43,074 INFO L277 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: true [2020-10-28 16:47:43,074 INFO L274 CegarLoopResult]: For program point L854-2(lines 854 858) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 845 863) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point L828-2(lines 828 836) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point L816(lines 816 824) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 809 844) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point L816-2(lines 816 824) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 809 844) no Hoare annotation was computed. [2020-10-28 16:47:43,075 INFO L274 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 809 844) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 332 377) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 332 377) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 332 377) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point L669(lines 669 670) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 645 690) no Hoare annotation was computed. [2020-10-28 16:47:43,076 INFO L274 CegarLoopResult]: For program point L665(lines 665 672) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L274 CegarLoopResult]: For program point L659(lines 659 679) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L274 CegarLoopResult]: For program point L659-1(lines 659 679) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 669 670) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 676 677) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 645 690) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 645 690) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L274 CegarLoopResult]: For program point L676(lines 676 677) no Hoare annotation was computed. [2020-10-28 16:47:43,077 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 189 199) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 189 199) no Hoare annotation was computed. [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 189 199) no Hoare annotation was computed. [2020-10-28 16:47:43,078 INFO L270 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 789 799) no Hoare annotation was computed. [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 789 799) no Hoare annotation was computed. [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 789 799) no Hoare annotation was computed. [2020-10-28 16:47:43,078 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 781 788) the Hoare annotation is: true [2020-10-28 16:47:43,078 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 781 788) no Hoare annotation was computed. [2020-10-28 16:47:43,079 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 781 788) no Hoare annotation was computed. [2020-10-28 16:47:43,079 INFO L270 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0))) [2020-10-28 16:47:43,079 INFO L274 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-10-28 16:47:43,079 INFO L274 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2020-10-28 16:47:43,079 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 730 754) no Hoare annotation was computed. [2020-10-28 16:47:43,079 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 730 754) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,079 INFO L270 CegarLoopResult]: At program point L749(line 749) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:47:43,079 INFO L274 CegarLoopResult]: For program point L749-1(lines 730 754) no Hoare annotation was computed. [2020-10-28 16:47:43,080 INFO L270 CegarLoopResult]: At program point L744(line 744) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0))) [2020-10-28 16:47:43,080 INFO L270 CegarLoopResult]: At program point L740(line 740) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= ~methAndRunningLastTime~0 0))) [2020-10-28 16:47:43,080 INFO L274 CegarLoopResult]: For program point L738(lines 738 746) no Hoare annotation was computed. [2020-10-28 16:47:43,080 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 722 728) no Hoare annotation was computed. [2020-10-28 16:47:43,080 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 722 728) the Hoare annotation is: true [2020-10-28 16:47:43,080 INFO L270 CegarLoopResult]: At program point testENTRY(lines 873 938) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,080 INFO L274 CegarLoopResult]: For program point L921(lines 921 925) no Hoare annotation was computed. [2020-10-28 16:47:43,080 INFO L270 CegarLoopResult]: At program point L921-2(lines 913 926) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,081 INFO L274 CegarLoopResult]: For program point testFINAL(lines 873 938) no Hoare annotation was computed. [2020-10-28 16:47:43,081 INFO L274 CegarLoopResult]: For program point L884(lines 883 930) no Hoare annotation was computed. [2020-10-28 16:47:43,081 INFO L270 CegarLoopResult]: At program point L915(line 915) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,081 INFO L274 CegarLoopResult]: For program point L913(lines 913 926) no Hoare annotation was computed. [2020-10-28 16:47:43,081 INFO L270 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,081 INFO L274 CegarLoopResult]: For program point L903(lines 903 909) no Hoare annotation was computed. [2020-10-28 16:47:43,081 INFO L274 CegarLoopResult]: For program point L903-1(lines 903 909) no Hoare annotation was computed. [2020-10-28 16:47:43,081 INFO L270 CegarLoopResult]: At program point L928(lines 883 930) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,082 INFO L270 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,082 INFO L274 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2020-10-28 16:47:43,082 INFO L274 CegarLoopResult]: For program point L893-1(lines 893 899) no Hoare annotation was computed. [2020-10-28 16:47:43,082 INFO L274 CegarLoopResult]: For program point L885(lines 885 889) no Hoare annotation was computed. [2020-10-28 16:47:43,082 INFO L270 CegarLoopResult]: At program point L931(lines 882 932) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,082 INFO L274 CegarLoopResult]: For program point testEXIT(lines 873 938) no Hoare annotation was computed. [2020-10-28 16:47:43,082 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 623 624) no Hoare annotation was computed. [2020-10-28 16:47:43,082 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 630 631) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 599 644) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point L630(lines 630 631) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 599 644) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 599 644) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point L623(lines 623 624) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point L619(lines 619 626) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point L613(lines 613 633) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point L613-1(lines 613 633) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 755 762) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 755 762) no Hoare annotation was computed. [2020-10-28 16:47:43,083 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 755 762) no Hoare annotation was computed. [2020-10-28 16:47:43,084 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 307 315) no Hoare annotation was computed. [2020-10-28 16:47:43,084 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 307 315) the Hoare annotation is: true [2020-10-28 16:47:43,084 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 307 315) no Hoare annotation was computed. [2020-10-28 16:47:43,084 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-28 16:47:43,084 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 92 120) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,084 INFO L270 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,084 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-10-28 16:47:43,084 INFO L274 CegarLoopResult]: For program point L104(lines 104 114) no Hoare annotation was computed. [2020-10-28 16:47:43,085 INFO L270 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,085 INFO L274 CegarLoopResult]: For program point L102-1(line 102) no Hoare annotation was computed. [2020-10-28 16:47:43,085 INFO L274 CegarLoopResult]: For program point L100(lines 100 117) no Hoare annotation was computed. [2020-10-28 16:47:43,085 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 92 120) no Hoare annotation was computed. [2020-10-28 16:47:43,085 INFO L274 CegarLoopResult]: For program point L100-1(lines 92 120) no Hoare annotation was computed. [2020-10-28 16:47:43,085 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,085 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 84 91) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,085 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 84 91) no Hoare annotation was computed. [2020-10-28 16:47:43,085 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 84 91) no Hoare annotation was computed. [2020-10-28 16:47:43,085 INFO L274 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 275 297) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 275 297) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 275 297) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point L545-2(lines 545 565) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 496 598) no Hoare annotation was computed. [2020-10-28 16:47:43,086 INFO L274 CegarLoopResult]: For program point L566(lines 544 567) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point L525(lines 525 541) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point L585(lines 585 592) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 496 598) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point L546(lines 545 565) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point L577-1(line 577) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point L542(lines 542 583) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 496 598) no Hoare annotation was computed. [2020-10-28 16:47:43,087 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-28 16:47:43,088 INFO L274 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-10-28 16:47:43,088 INFO L274 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-28 16:47:43,088 INFO L274 CegarLoopResult]: For program point L584(lines 584 595) no Hoare annotation was computed. [2020-10-28 16:47:43,088 INFO L274 CegarLoopResult]: For program point L547(lines 547 551) no Hoare annotation was computed. [2020-10-28 16:47:43,088 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,088 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.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~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 764 780) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 764 780) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point L775-1(lines 764 780) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point L771(lines 771 777) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 298 306) no Hoare annotation was computed. [2020-10-28 16:47:43,089 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 298 306) no Hoare annotation was computed. [2020-10-28 16:47:43,090 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 298 306) no Hoare annotation was computed. [2020-10-28 16:47:43,090 INFO L274 CegarLoopResult]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2020-10-28 16:47:43,090 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:47:43,090 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2020-10-28 16:47:43,090 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,090 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,090 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,090 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2020-10-28 16:47:43,090 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2020-10-28 16:47:43,091 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2020-10-28 16:47:43,091 INFO L270 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,091 INFO L274 CegarLoopResult]: For program point L702(lines 701 720) no Hoare annotation was computed. [2020-10-28 16:47:43,091 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 698 721) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,091 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 698 721) no Hoare annotation was computed. [2020-10-28 16:47:43,091 INFO L270 CegarLoopResult]: At program point L711(line 711) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,091 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 698 721) no Hoare annotation was computed. [2020-10-28 16:47:43,091 INFO L270 CegarLoopResult]: At program point L709(lines 709 715) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:47:43,092 INFO L274 CegarLoopResult]: For program point L130-1(line 130) no Hoare annotation was computed. [2020-10-28 16:47:43,092 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 124 153) no Hoare annotation was computed. [2020-10-28 16:47:43,092 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 124 153) the Hoare annotation is: true [2020-10-28 16:47:43,092 INFO L277 CegarLoopResult]: At program point L149(lines 124 153) the Hoare annotation is: true [2020-10-28 16:47:43,092 INFO L274 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-28 16:47:43,092 INFO L274 CegarLoopResult]: For program point L138(lines 138 142) no Hoare annotation was computed. [2020-10-28 16:47:43,092 INFO L277 CegarLoopResult]: At program point L138-1(lines 138 142) the Hoare annotation is: true [2020-10-28 16:47:43,092 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 16:47:43,092 INFO L277 CegarLoopResult]: At program point L134-2(lines 134 148) the Hoare annotation is: true [2020-10-28 16:47:43,093 INFO L277 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: true [2020-10-28 16:47:43,093 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: true [2020-10-28 16:47:43,093 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2020-10-28 16:47:43,093 INFO L274 CegarLoopResult]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2020-10-28 16:47:43,093 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 181 187) no Hoare annotation was computed. [2020-10-28 16:47:43,093 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 181 187) the Hoare annotation is: true [2020-10-28 16:47:43,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,093 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:47:43,093 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:47:43,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:47:43,094 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 864 871) no Hoare annotation was computed. [2020-10-28 16:47:43,094 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 864 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-28 16:47:43,094 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 864 871) no Hoare annotation was computed. [2020-10-28 16:47:43,094 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2020-10-28 16:47:43,094 INFO L274 CegarLoopResult]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2020-10-28 16:47:43,094 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:47:43,094 INFO L274 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2020-10-28 16:47:43,094 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 317 324) no Hoare annotation was computed. [2020-10-28 16:47:43,094 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 317 324) the Hoare annotation is: true [2020-10-28 16:47:43,094 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 317 324) no Hoare annotation was computed. [2020-10-28 16:47:43,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:47:43 BoogieIcfgContainer [2020-10-28 16:47:43,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:47:43,113 INFO L168 Benchmark]: Toolchain (without parser) took 68827.72 ms. Allocated memory was 151.0 MB in the beginning and 604.0 MB in the end (delta: 453.0 MB). Free memory was 133.0 MB in the beginning and 223.1 MB in the end (delta: -90.1 MB). Peak memory consumption was 366.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,114 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:47:43,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.54 ms. Allocated memory is still 151.0 MB. Free memory was 132.3 MB in the beginning and 126.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,115 INFO L168 Benchmark]: Boogie Preprocessor took 137.42 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 122.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,116 INFO L168 Benchmark]: RCFGBuilder took 1483.45 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 92.6 MB in the end (delta: 29.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,117 INFO L168 Benchmark]: TraceAbstraction took 66348.86 ms. Allocated memory was 151.0 MB in the beginning and 604.0 MB in the end (delta: 453.0 MB). Free memory was 92.1 MB in the beginning and 223.7 MB in the end (delta: -131.6 MB). Peak memory consumption was 325.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:47:43,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 124.2 MB in the end (delta: 73.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 844.54 ms. Allocated memory is still 151.0 MB. Free memory was 132.3 MB in the beginning and 126.2 MB in the end (delta: 6.1 MB). Peak memory consumption was 16.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 137.42 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 122.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1483.45 ms. Allocated memory is still 151.0 MB. Free memory was 122.2 MB in the beginning and 92.6 MB in the end (delta: 29.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 66348.86 ms. Allocated memory was 151.0 MB in the beginning and 604.0 MB in the end (delta: 453.0 MB). Free memory was 92.1 MB in the beginning and 223.7 MB in the end (delta: -131.6 MB). Peak memory consumption was 325.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 630]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 623]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 669]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 676]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || (((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0) && methAndRunningLastTime == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 49.3s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 18.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 456 SDtfs, 808 SDslu, 232 SDs, 0 SdLazy, 1241 SolverSat, 617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 148 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=182occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 184 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 214 PreInvPairs, 238 NumberOfFragments, 917 HoareAnnotationTreeSize, 214 FomulaSimplifications, 94317 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 8328 FormulaSimplificationTreeSizeReductionInter, 14.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 29.9s InterpolantComputationTime, 334 NumberOfCodeBlocks, 334 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 106800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 30/35 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...