/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_spec5_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:05:55,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:05:55,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:05:56,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:05:56,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:05:56,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:05:56,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:05:56,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:05:56,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:05:56,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:05:56,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:05:56,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:05:56,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:05:56,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:05:56,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:05:56,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:05:56,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:05:56,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:05:56,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:05:56,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:05:56,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:05:56,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:05:56,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:05:56,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:05:56,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:05:56,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:05:56,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:05:56,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:05:56,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:05:56,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:05:56,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:05:56,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:05:56,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:05:56,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:05:56,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:05:56,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:05:56,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:05:56,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:05:56,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:05:56,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:05:56,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:05:56,129 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 17:05:56,178 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:05:56,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:05:56,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:05:56,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:05:56,183 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:05:56,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:05:56,183 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:05:56,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:05:56,183 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:05:56,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:05:56,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:05:56,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:05:56,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:05:56,185 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:05:56,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:05:56,186 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:05:56,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:05:56,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:05:56,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:05:56,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:05:56,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:05:56,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:56,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:05:56,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:05:56,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:05:56,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:05:56,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:05:56,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:05:56,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:05:56,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:05:56,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:05:56,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:05:56,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:05:56,633 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:05:56,634 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:05:56,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product18.cil.c [2020-10-28 17:05:56,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97f15d55a/217e696e7a6d45a3ab7ec7ed949f9c54/FLAG085eec1ef [2020-10-28 17:05:57,531 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:05:57,532 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product18.cil.c [2020-10-28 17:05:57,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97f15d55a/217e696e7a6d45a3ab7ec7ed949f9c54/FLAG085eec1ef [2020-10-28 17:05:57,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97f15d55a/217e696e7a6d45a3ab7ec7ed949f9c54 [2020-10-28 17:05:57,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:05:57,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:05:57,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:57,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:05:57,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:05:57,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:57" (1/1) ... [2020-10-28 17:05:57,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28176dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:57, skipping insertion in model container [2020-10-28 17:05:57,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:05:57" (1/1) ... [2020-10-28 17:05:57,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:05:57,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:05:58,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:58,242 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:05:58,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:05:58,400 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:05:58,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58 WrapperNode [2020-10-28 17:05:58,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:05:58,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:05:58,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:05:58,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:05:58,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... [2020-10-28 17:05:58,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:05:58,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:05:58,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:05:58,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:05:58,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:05:58,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:05:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:05:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:05:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:05:58,628 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:05:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:05:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:05:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:05:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:05:58,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:05:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:05:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:05:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 17:05:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:05:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:05:58,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:05:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:05:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:05:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:05:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:05:58,631 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:05:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:05:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:05:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:05:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:58,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:05:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:05:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:05:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:05:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:05:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:05:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:05:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:05:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:05:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 17:05:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:05:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:05:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:05:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:05:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:05:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:05:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:05:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:05:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:05:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:05:58,636 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:05:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:05:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:05:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:05:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:05:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 17:05:58,637 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:05:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:05:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:05:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:05:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-28 17:05:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-28 17:05:58,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:05:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:05:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 17:05:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:05:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:05:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:05:58,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:05:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:05:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:05:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:05:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:05:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-28 17:05:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:05:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:05:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:05:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:05:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:05:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:05:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:05:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:05:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:05:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:05:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:05:58,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:05:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:05:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:05:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:05:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:05:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:05:58,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:05:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:05:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:05:58,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:06:00,218 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:06:00,218 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:06:00,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:00 BoogieIcfgContainer [2020-10-28 17:06:00,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:06:00,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:06:00,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:06:00,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:06:00,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:05:57" (1/3) ... [2020-10-28 17:06:00,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581a6dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:00, skipping insertion in model container [2020-10-28 17:06:00,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:05:58" (2/3) ... [2020-10-28 17:06:00,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581a6dbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:06:00, skipping insertion in model container [2020-10-28 17:06:00,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:06:00" (3/3) ... [2020-10-28 17:06:00,229 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product18.cil.c [2020-10-28 17:06:00,241 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:06:00,246 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:06:00,259 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:06:00,288 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:06:00,288 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:06:00,288 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:06:00,288 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:06:00,288 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:06:00,288 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:06:00,289 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:06:00,289 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:06:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2020-10-28 17:06:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 17:06:00,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:00,326 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:00,326 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 17:06:00,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:00,334 INFO L82 PathProgramCache]: Analyzing trace with hash -2080874746, now seen corresponding path program 1 times [2020-10-28 17:06:00,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:00,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576769747] [2020-10-28 17:06:00,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:00,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:02,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:03,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:05,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:05,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 17:06:05,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:05,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 17:06:05,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:05,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:05,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 17:06:05,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:05,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-10-28 17:06:06,151 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:06,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-28 17:06:06,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:06,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:06,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:06,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:06,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:06,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:06,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:06:06,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:06,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:06,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:06,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:06,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:06,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:06,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:06,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:06,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:06,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:06,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:06,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:06,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:06:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:06,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:06,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:06,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:06,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:06,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:06,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:06,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:06,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:06:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:06,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:06,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:06,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:06:06,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:06,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:06,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:06,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:06,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:06,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:06,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:06,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:06,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:06,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576769747] [2020-10-28 17:06:06,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:06,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:06:06,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113851496] [2020-10-28 17:06:06,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:06:06,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:06,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:06:06,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:06,447 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 4 states. [2020-10-28 17:06:07,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:07,783 INFO L93 Difference]: Finished difference Result 268 states and 346 transitions. [2020-10-28 17:06:07,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 17:06:07,785 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-10-28 17:06:07,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:07,806 INFO L225 Difference]: With dead ends: 268 [2020-10-28 17:06:07,806 INFO L226 Difference]: Without dead ends: 147 [2020-10-28 17:06:07,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:06:07,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-28 17:06:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 119. [2020-10-28 17:06:07,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-28 17:06:07,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-10-28 17:06:07,915 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 60 [2020-10-28 17:06:07,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:07,916 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-10-28 17:06:07,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:06:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-10-28 17:06:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 17:06:07,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:07,926 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:06:07,926 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:06:07,926 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 17:06:07,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:07,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1521966324, now seen corresponding path program 1 times [2020-10-28 17:06:07,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:07,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013709403] [2020-10-28 17:06:07,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:07,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:08,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:08,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:09,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:09,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:12,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:12,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 17:06:12,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:06:12,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 17:06:12,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:12,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 17:06:12,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:12,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:13,377 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:13,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 17:06:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:13,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:13,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:13,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:13,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:13,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:13,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:13,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:13,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:13,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:13,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:13,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:13,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:13,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:13,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:13,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:13,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:13,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:06:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:13,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:06:13,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 17:06:13,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:13,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:13,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:13,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:13,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:13,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:06:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:13,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:13,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:13,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:06:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:13,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:13,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:13,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:13,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:13,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:13,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:13,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:13,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:13,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:13,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:13,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013709403] [2020-10-28 17:06:13,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:13,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:13,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636592961] [2020-10-28 17:06:13,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:13,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:13,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:13,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:13,557 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 5 states. [2020-10-28 17:06:14,243 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:06:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:15,113 INFO L93 Difference]: Finished difference Result 206 states and 250 transitions. [2020-10-28 17:06:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:06:15,114 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 17:06:15,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:15,117 INFO L225 Difference]: With dead ends: 206 [2020-10-28 17:06:15,117 INFO L226 Difference]: Without dead ends: 137 [2020-10-28 17:06:15,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-28 17:06:15,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-10-28 17:06:15,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 17:06:15,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2020-10-28 17:06:15,169 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 61 [2020-10-28 17:06:15,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:15,169 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2020-10-28 17:06:15,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2020-10-28 17:06:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 17:06:15,176 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:15,176 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 17:06:15,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:06:15,176 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 17:06:15,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:15,177 INFO L82 PathProgramCache]: Analyzing trace with hash -38167185, now seen corresponding path program 1 times [2020-10-28 17:06:15,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:15,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51445448] [2020-10-28 17:06:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:15,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:15,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:15,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:16,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 17:06:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4169 [2020-10-28 17:06:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:06:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-28 17:06:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,771 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:19,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 17:06:19,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:06:19,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:19,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:19,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:19,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:19,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:19,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:19,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:19,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:19,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:06:19,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:19,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:19,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:19,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:19,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:06:19,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:19,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:19,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:19,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:19,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:19,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:06:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:19,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:19,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:19,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:19,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:19,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:19,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:19,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:20,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 17:06:20,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:20,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:20,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:20,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:20,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:20,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:20,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:20,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:20,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:20,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:20,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:20,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:20,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 17:06:20,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:20,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:20,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:20,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:20,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:20,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:20,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:20,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 17:06:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:20,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:20,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:20,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:20,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:20,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:06:20,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 17:06:20,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51445448] [2020-10-28 17:06:20,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:20,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:06:20,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300210930] [2020-10-28 17:06:20,036 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:06:20,036 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:20,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:06:20,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:06:20,037 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 5 states. [2020-10-28 17:06:20,499 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:06:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:21,226 INFO L93 Difference]: Finished difference Result 219 states and 269 transitions. [2020-10-28 17:06:21,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 17:06:21,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2020-10-28 17:06:21,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:21,229 INFO L225 Difference]: With dead ends: 219 [2020-10-28 17:06:21,229 INFO L226 Difference]: Without dead ends: 137 [2020-10-28 17:06:21,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:06:21,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-28 17:06:21,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 110. [2020-10-28 17:06:21,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-28 17:06:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2020-10-28 17:06:21,275 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 66 [2020-10-28 17:06:21,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:21,276 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2020-10-28 17:06:21,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:06:21,276 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2020-10-28 17:06:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-28 17:06:21,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:06:21,277 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:06:21,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:06:21,278 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 17:06:21,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:06:21,278 INFO L82 PathProgramCache]: Analyzing trace with hash 126842290, now seen corresponding path program 1 times [2020-10-28 17:06:21,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:06:21,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [236736395] [2020-10-28 17:06:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:06:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:21,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:21,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:24,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:24,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-28 17:06:24,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:06:24,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3380 [2020-10-28 17:06:24,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:24,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:06:24,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-28 17:06:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 17:06:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,025 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:25,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:25,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 17:06:25,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:06:25,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:06:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:25,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:25,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:06:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:25,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:25,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:06:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:25,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:25,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:06:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:25,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:06:25,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 17:06:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:25,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:25,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:06:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:25,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:06:25,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:06:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:25,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:25,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:06:25,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:06:25,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:06:25,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 17:06:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:06:25,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:06:25,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:25,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:06:25,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:06:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:06:25,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:25,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:06:25,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-28 17:06:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:25,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:06:25,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:06:25,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:25,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 17:06:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:06:25,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:06:25,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:06:25,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:06:25,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:06:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:06:25,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:06:25,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:06:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:06:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:06:25,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:06:25,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:06:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 17:06:25,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [236736395] [2020-10-28 17:06:25,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:06:25,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 17:06:25,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546944034] [2020-10-28 17:06:25,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 17:06:25,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:06:25,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 17:06:25,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-28 17:06:25,258 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand 9 states. [2020-10-28 17:06:26,003 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:06:26,788 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:06:27,431 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:27,720 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:06:27,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:06:27,793 INFO L93 Difference]: Finished difference Result 190 states and 236 transitions. [2020-10-28 17:06:27,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:06:27,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2020-10-28 17:06:27,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:06:27,795 INFO L225 Difference]: With dead ends: 190 [2020-10-28 17:06:27,795 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 17:06:27,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:06:27,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 17:06:27,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 17:06:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 17:06:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 17:06:27,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-10-28 17:06:27,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:06:27,799 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 17:06:27,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 17:06:27,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 17:06:27,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 17:06:27,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:06:27,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 17:06:29,141 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2020-10-28 17:06:29,346 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:29,560 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:29,756 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:30,012 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 11 [2020-10-28 17:06:30,268 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:06:30,445 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2020-10-28 17:06:30,718 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-28 17:06:30,940 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:06:31,184 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:31,373 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:06:31,580 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:31,787 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:06:32,018 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:32,214 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2020-10-28 17:06:32,422 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:32,628 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2020-10-28 17:06:32,703 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 17:06:32,703 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 17:06:32,703 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 17:06:32,703 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 17:06:32,703 INFO L274 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-10-28 17:06:32,703 INFO L274 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 534 589) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point L559-2(lines 559 580) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 534 589) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point L581(lines 558 582) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 534 589) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point L635(line 635) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-10-28 17:06:32,704 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 590 649) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 590 649) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point L622(lines 622 626) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point L622-1(lines 622 626) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 590 649) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point L616-2(lines 616 641) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point L642(lines 615 643) no Hoare annotation was computed. [2020-10-28 17:06:32,705 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 317 323) the Hoare annotation is: true [2020-10-28 17:06:32,705 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 317 323) no Hoare annotation was computed. [2020-10-28 17:06:32,706 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 324 332) no Hoare annotation was computed. [2020-10-28 17:06:32,706 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 324 332) the Hoare annotation is: true [2020-10-28 17:06:32,706 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 324 332) no Hoare annotation was computed. [2020-10-28 17:06:32,706 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 434 441) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 17:06:32,706 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 434 441) no Hoare annotation was computed. [2020-10-28 17:06:32,707 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 434 441) no Hoare annotation was computed. [2020-10-28 17:06:32,707 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 442 451) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-10-28 17:06:32,707 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-28 17:06:32,707 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 442 451) no Hoare annotation was computed. [2020-10-28 17:06:32,707 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 442 451) no Hoare annotation was computed. [2020-10-28 17:06:32,707 INFO L270 CegarLoopResult]: At program point L467(line 467) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 17:06:32,707 INFO L274 CegarLoopResult]: For program point L465(lines 465 471) no Hoare annotation was computed. [2020-10-28 17:06:32,707 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 452 480) the Hoare annotation is: true [2020-10-28 17:06:32,707 INFO L274 CegarLoopResult]: For program point L464(lines 464 474) no Hoare annotation was computed. [2020-10-28 17:06:32,708 INFO L277 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: true [2020-10-28 17:06:32,708 INFO L274 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-10-28 17:06:32,708 INFO L274 CegarLoopResult]: For program point L460(lines 460 477) no Hoare annotation was computed. [2020-10-28 17:06:32,708 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 452 480) no Hoare annotation was computed. [2020-10-28 17:06:32,708 INFO L274 CegarLoopResult]: For program point L460-1(lines 452 480) no Hoare annotation was computed. [2020-10-28 17:06:32,708 INFO L277 CegarLoopResult]: At program point L458(line 458) the Hoare annotation is: true [2020-10-28 17:06:32,708 INFO L274 CegarLoopResult]: For program point L458-1(line 458) no Hoare annotation was computed. [2020-10-28 17:06:32,708 INFO L274 CegarLoopResult]: For program point L418-1(lines 418 425) no Hoare annotation was computed. [2020-10-28 17:06:32,708 INFO L274 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-10-28 17:06:32,709 INFO L270 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,709 INFO L270 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,709 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 408 430) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,709 INFO L270 CegarLoopResult]: At program point L414-1(line 414) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,709 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 408 430) no Hoare annotation was computed. [2020-10-28 17:06:32,709 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 408 430) no Hoare annotation was computed. [2020-10-28 17:06:32,709 INFO L270 CegarLoopResult]: At program point L420(line 420) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,710 INFO L270 CegarLoopResult]: At program point L420-1(line 420) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,710 INFO L274 CegarLoopResult]: For program point L418(lines 418 425) no Hoare annotation was computed. [2020-10-28 17:06:32,710 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 365 388) no Hoare annotation was computed. [2020-10-28 17:06:32,710 INFO L274 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-10-28 17:06:32,710 INFO L274 CegarLoopResult]: For program point L382(line 382) no Hoare annotation was computed. [2020-10-28 17:06:32,710 INFO L274 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-10-28 17:06:32,710 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 365 388) no Hoare annotation was computed. [2020-10-28 17:06:32,710 INFO L274 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 365 388) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L379(line 379) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L375(line 375) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L374(line 374) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-10-28 17:06:32,711 INFO L274 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-10-28 17:06:32,712 INFO L274 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-10-28 17:06:32,712 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 214 222) no Hoare annotation was computed. [2020-10-28 17:06:32,712 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 214 222) the Hoare annotation is: true [2020-10-28 17:06:32,712 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 214 222) no Hoare annotation was computed. [2020-10-28 17:06:32,712 INFO L274 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-10-28 17:06:32,712 INFO L277 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: true [2020-10-28 17:06:32,712 INFO L274 CegarLoopResult]: For program point L268-2(lines 268 272) no Hoare annotation was computed. [2020-10-28 17:06:32,712 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 259 277) the Hoare annotation is: true [2020-10-28 17:06:32,712 INFO L274 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 259 277) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 259 277) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point L253-1(line 253) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point L242(lines 242 250) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point L242-2(lines 242 250) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 223 258) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 223 258) no Hoare annotation was computed. [2020-10-28 17:06:32,713 INFO L274 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 223 258) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 310 316) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 310 316) the Hoare annotation is: true [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 488 533) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 488 533) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 488 533) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point L832(lines 832 833) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 801 846) no Hoare annotation was computed. [2020-10-28 17:06:32,714 INFO L274 CegarLoopResult]: For program point L825(lines 825 826) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L274 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L274 CegarLoopResult]: For program point L815(lines 815 835) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 825 826) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 832 833) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L274 CegarLoopResult]: For program point L815-1(lines 815 835) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 801 846) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 801 846) no Hoare annotation was computed. [2020-10-28 17:06:32,715 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 397 407) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,716 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 397 407) no Hoare annotation was computed. [2020-10-28 17:06:32,716 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 397 407) no Hoare annotation was computed. [2020-10-28 17:06:32,716 INFO L270 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2020-10-28 17:06:32,716 INFO L274 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-10-28 17:06:32,716 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:32,716 INFO L274 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-10-28 17:06:32,716 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:32,716 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 203 213) no Hoare annotation was computed. [2020-10-28 17:06:32,716 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 195 202) the Hoare annotation is: true [2020-10-28 17:06:32,717 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 195 202) no Hoare annotation was computed. [2020-10-28 17:06:32,717 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 195 202) no Hoare annotation was computed. [2020-10-28 17:06:32,717 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 162 186) no Hoare annotation was computed. [2020-10-28 17:06:32,717 INFO L270 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,717 INFO L274 CegarLoopResult]: For program point L181-1(lines 162 186) no Hoare annotation was computed. [2020-10-28 17:06:32,717 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 162 186) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,717 INFO L270 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,717 INFO L270 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,718 INFO L274 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-10-28 17:06:32,718 INFO L270 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,718 INFO L274 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-10-28 17:06:32,718 INFO L274 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-10-28 17:06:32,718 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 154 160) no Hoare annotation was computed. [2020-10-28 17:06:32,718 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 154 160) the Hoare annotation is: true [2020-10-28 17:06:32,718 INFO L270 CegarLoopResult]: At program point testENTRY(lines 47 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,718 INFO L274 CegarLoopResult]: For program point L95(lines 95 99) no Hoare annotation was computed. [2020-10-28 17:06:32,718 INFO L270 CegarLoopResult]: At program point L95-2(lines 87 100) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,718 INFO L274 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-10-28 17:06:32,719 INFO L270 CegarLoopResult]: At program point L89(line 89) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,719 INFO L274 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-10-28 17:06:32,719 INFO L274 CegarLoopResult]: For program point testFINAL(lines 47 112) no Hoare annotation was computed. [2020-10-28 17:06:32,719 INFO L270 CegarLoopResult]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,719 INFO L274 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-10-28 17:06:32,719 INFO L274 CegarLoopResult]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2020-10-28 17:06:32,719 INFO L270 CegarLoopResult]: At program point L102(lines 57 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,719 INFO L270 CegarLoopResult]: At program point L69(line 69) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (<= test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,719 INFO L274 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L270 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point testEXIT(lines 47 112) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point L769(lines 769 789) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point L769-1(lines 769 789) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 779 780) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 786 787) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 755 800) no Hoare annotation was computed. [2020-10-28 17:06:32,720 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 755 800) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point L786(lines 786 787) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 755 800) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point L779(lines 779 780) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point L775(lines 775 782) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 927 935) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 927 935) the Hoare annotation is: true [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 927 935) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 895 917) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point L903(lines 903 911) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 895 917) no Hoare annotation was computed. [2020-10-28 17:06:32,721 INFO L274 CegarLoopResult]: For program point L903-2(lines 903 911) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 895 917) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 300 309) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 300 309) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 300 309) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 652 754) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point L702(lines 701 721) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point L733(line 733) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point L733-1(line 733) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point L698(lines 698 739) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-10-28 17:06:32,722 INFO L274 CegarLoopResult]: For program point L717-1(line 717) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 652 754) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point L740(lines 740 751) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point L703(lines 703 707) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point L701-2(lines 701 721) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point L722(lines 700 723) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 652 754) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point L681(lines 681 697) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point L741(lines 741 748) no Hoare annotation was computed. [2020-10-28 17:06:32,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:32,724 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string79.offset| |old(#t~string79.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#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)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string79.base| |old(#t~string79.base)|)) [2020-10-28 17:06:32,724 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:32,724 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 187 194) no Hoare annotation was computed. [2020-10-28 17:06:32,724 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 187 194) no Hoare annotation was computed. [2020-10-28 17:06:32,724 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 187 194) no Hoare annotation was computed. [2020-10-28 17:06:32,724 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 918 926) the Hoare annotation is: true [2020-10-28 17:06:32,724 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 918 926) no Hoare annotation was computed. [2020-10-28 17:06:32,724 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 918 926) no Hoare annotation was computed. [2020-10-28 17:06:32,725 INFO L274 CegarLoopResult]: For program point L878-1(lines 874 885) no Hoare annotation was computed. [2020-10-28 17:06:32,725 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 874 885) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 17:06:32,725 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 874 885) no Hoare annotation was computed. [2020-10-28 17:06:32,725 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:32,725 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 17:06:32,725 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:32,725 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 127 153) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,725 INFO L270 CegarLoopResult]: At program point L143(line 143) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-28 17:06:32,725 INFO L270 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-28 17:06:32,726 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 127 153) no Hoare annotation was computed. [2020-10-28 17:06:32,726 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 17:06:32,726 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 127 153) no Hoare annotation was computed. [2020-10-28 17:06:32,726 INFO L274 CegarLoopResult]: For program point L134(lines 130 152) no Hoare annotation was computed. [2020-10-28 17:06:32,726 INFO L274 CegarLoopResult]: For program point L132(lines 130 152) no Hoare annotation was computed. [2020-10-28 17:06:32,726 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 335 364) no Hoare annotation was computed. [2020-10-28 17:06:32,726 INFO L274 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-10-28 17:06:32,726 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 335 364) the Hoare annotation is: true [2020-10-28 17:06:32,726 INFO L277 CegarLoopResult]: At program point L349-1(lines 349 353) the Hoare annotation is: true [2020-10-28 17:06:32,726 INFO L274 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-10-28 17:06:32,727 INFO L277 CegarLoopResult]: At program point L345-2(lines 345 359) the Hoare annotation is: true [2020-10-28 17:06:32,727 INFO L277 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: true [2020-10-28 17:06:32,727 INFO L274 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-10-28 17:06:32,727 INFO L277 CegarLoopResult]: At program point L360(lines 335 364) the Hoare annotation is: true [2020-10-28 17:06:32,727 INFO L274 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-10-28 17:06:32,727 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 886 894) no Hoare annotation was computed. [2020-10-28 17:06:32,727 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 886 894) no Hoare annotation was computed. [2020-10-28 17:06:32,727 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 886 894) no Hoare annotation was computed. [2020-10-28 17:06:32,727 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 850 861) the Hoare annotation is: true [2020-10-28 17:06:32,727 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 850 861) no Hoare annotation was computed. [2020-10-28 17:06:32,728 INFO L274 CegarLoopResult]: For program point L854-1(lines 850 861) no Hoare annotation was computed. [2020-10-28 17:06:32,728 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 389 395) no Hoare annotation was computed. [2020-10-28 17:06:32,728 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 389 395) the Hoare annotation is: true [2020-10-28 17:06:32,728 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 17:06:32,728 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-28 17:06:32,728 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 17:06:32,728 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 17:06:32,728 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 278 285) no Hoare annotation was computed. [2020-10-28 17:06:32,728 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 278 285) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-10-28 17:06:32,728 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 278 285) no Hoare annotation was computed. [2020-10-28 17:06:32,729 INFO L274 CegarLoopResult]: For program point L866-1(lines 862 873) no Hoare annotation was computed. [2020-10-28 17:06:32,729 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 862 873) no Hoare annotation was computed. [2020-10-28 17:06:32,729 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 862 873) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 17:06:32,729 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 287 294) no Hoare annotation was computed. [2020-10-28 17:06:32,729 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 287 294) the Hoare annotation is: true [2020-10-28 17:06:32,729 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 287 294) no Hoare annotation was computed. [2020-10-28 17:06:32,729 INFO L274 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-28 17:06:32,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:06:32 BoogieIcfgContainer [2020-10-28 17:06:32,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:06:32,748 INFO L168 Benchmark]: Toolchain (without parser) took 34930.83 ms. Allocated memory was 154.1 MB in the beginning and 627.0 MB in the end (delta: 472.9 MB). Free memory was 128.7 MB in the beginning and 368.5 MB in the end (delta: -239.8 MB). Peak memory consumption was 373.6 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:32,749 INFO L168 Benchmark]: CDTParser took 1.27 ms. Allocated memory is still 154.1 MB. Free memory was 127.4 MB in the beginning and 127.3 MB in the end (delta: 79.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:06:32,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.16 ms. Allocated memory is still 154.1 MB. Free memory was 128.1 MB in the beginning and 107.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:32,750 INFO L168 Benchmark]: Boogie Preprocessor took 127.04 ms. Allocated memory is still 154.1 MB. Free memory was 107.1 MB in the beginning and 136.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:32,751 INFO L168 Benchmark]: RCFGBuilder took 1690.95 ms. Allocated memory is still 154.1 MB. Free memory was 135.8 MB in the beginning and 132.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:32,752 INFO L168 Benchmark]: TraceAbstraction took 32523.74 ms. Allocated memory was 154.1 MB in the beginning and 627.0 MB in the end (delta: 472.9 MB). Free memory was 131.7 MB in the beginning and 368.5 MB in the end (delta: -236.8 MB). Peak memory consumption was 375.8 MB. Max. memory is 8.0 GB. [2020-10-28 17:06:32,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.27 ms. Allocated memory is still 154.1 MB. Free memory was 127.4 MB in the beginning and 127.3 MB in the end (delta: 79.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 577.16 ms. Allocated memory is still 154.1 MB. Free memory was 128.1 MB in the beginning and 107.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 127.04 ms. Allocated memory is still 154.1 MB. Free memory was 107.1 MB in the beginning and 136.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1690.95 ms. Allocated memory is still 154.1 MB. Free memory was 135.8 MB in the beginning and 132.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 90.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32523.74 ms. Allocated memory was 154.1 MB in the beginning and 627.0 MB in the end (delta: 472.9 MB). Free memory was 131.7 MB in the beginning and 368.5 MB in the end (delta: -236.8 MB). Peak memory consumption was 375.8 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: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 779]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 825]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 832]: 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: 57]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || ((splverifierCounter <= 0 && 1 == systemActive) && pumpRunning == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 397 SDtfs, 476 SDslu, 208 SDs, 0 SdLazy, 754 SolverSat, 311 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 88 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 82 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 192 PreInvPairs, 212 NumberOfFragments, 727 HoareAnnotationTreeSize, 192 FomulaSimplifications, 11486 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 5439 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 20.0s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 76761 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...