/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:10:42,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:10:42,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:10:42,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:10:42,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:10:42,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:10:42,756 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:10:42,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:10:42,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:10:42,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:10:42,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:10:42,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:10:42,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:10:42,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:10:42,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:10:42,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:10:42,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:10:42,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:10:42,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:10:42,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:10:42,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:10:42,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:10:42,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:10:42,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:10:42,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:10:42,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:10:42,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:10:42,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:10:42,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:10:42,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:10:42,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:10:42,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:10:42,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:10:42,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:10:42,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:10:42,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:10:42,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:10:42,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:10:42,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:10:42,785 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:10:42,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:10:42,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:10:42,809 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:10:42,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:10:42,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:10:42,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:10:42,811 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:10:42,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:10:42,811 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:10:42,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:10:42,811 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:10:42,812 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:10:42,812 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:10:42,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:10:42,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:10:42,812 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:10:42,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:10:42,813 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:10:42,813 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:10:42,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:10:42,813 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:10:42,814 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:10:42,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:10:42,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:10:42,814 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:10:42,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:10:42,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:10:42,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:10:42,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:10:42,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:10:42,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:10:42,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:10:43,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:10:43,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:10:43,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:10:43,215 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:10:43,217 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:10:43,218 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-10-14 07:10:43,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3227775c9/26f73fb9cfd74d538109770456ea89ec/FLAG95e341a70 [2020-10-14 07:10:43,756 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:10:43,757 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-10-14 07:10:43,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3227775c9/26f73fb9cfd74d538109770456ea89ec/FLAG95e341a70 [2020-10-14 07:10:44,094 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3227775c9/26f73fb9cfd74d538109770456ea89ec [2020-10-14 07:10:44,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:10:44,104 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:10:44,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:10:44,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:10:44,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:10:44,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35272ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44, skipping insertion in model container [2020-10-14 07:10:44,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:10:44,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:10:44,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:10:44,618 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:10:44,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:10:44,762 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:10:44,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44 WrapperNode [2020-10-14 07:10:44,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:10:44,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:10:44,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:10:44,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:10:44,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... [2020-10-14 07:10:44,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:10:44,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:10:44,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:10:44,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:10:44,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:10:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:10:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:10:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:10:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:10:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:10:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:10:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:10:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:10:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:10:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:10:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-14 07:10:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:10:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:10:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:10:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:10:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:10:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:10:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-14 07:10:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-14 07:10:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:10:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:10:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:10:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:10:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:10:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:10:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-14 07:10:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:10:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:10:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:10:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:10:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:10:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:10:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:10:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-14 07:10:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:10:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:10:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:10:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:10:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:10:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:10:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:10:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:10:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:10:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-14 07:10:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:10:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:10:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:10:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:10:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:10:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:10:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:10:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:10:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:10:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:10:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:10:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:10:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:10:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:10:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:10:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:10:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:10:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:10:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:10:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:10:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:10:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:10:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:10:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:10:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:10:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:10:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:10:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:10:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:10:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:10:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:10:45,939 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:10:45,939 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:10:45,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:10:45 BoogieIcfgContainer [2020-10-14 07:10:45,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:10:45,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:10:45,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:10:45,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:10:45,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:10:44" (1/3) ... [2020-10-14 07:10:45,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545d8b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:10:45, skipping insertion in model container [2020-10-14 07:10:45,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:44" (2/3) ... [2020-10-14 07:10:45,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545d8b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:10:45, skipping insertion in model container [2020-10-14 07:10:45,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:10:45" (3/3) ... [2020-10-14 07:10:45,952 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-10-14 07:10:45,962 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:10:45,970 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:10:45,984 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:10:46,009 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:10:46,009 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:10:46,009 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:10:46,009 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:10:46,010 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:10:46,010 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:10:46,010 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:10:46,010 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:10:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-10-14 07:10:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:10:46,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:10:46,043 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:10:46,044 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:10:46,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:10:46,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2020-10-14 07:10:46,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:10:46,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714031754] [2020-10-14 07:10:46,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:10:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:46,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:46,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:47,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:10:48,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:10:48,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2077 [2020-10-14 07:10:48,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 07:10:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-14 07:10:48,813 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:10:48,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:10:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:48,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 07:10:48,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:10:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:48,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:48,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:48,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:10:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:48,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:48,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:48,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:10:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:48,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:48,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:10:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:48,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:48,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:48,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-14 07:10:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:48,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:48,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:48,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:10:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:48,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:48,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:48,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 07:10:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:48,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:48,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:48,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:48,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:48,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:48,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:48,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:48,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:48,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:48,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:48,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:10:48,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714031754] [2020-10-14 07:10:48,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:10:48,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 07:10:48,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818703735] [2020-10-14 07:10:48,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-14 07:10:48,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:10:48,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-14 07:10:48,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:10:48,955 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-10-14 07:10:50,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:10:50,087 INFO L93 Difference]: Finished difference Result 270 states and 355 transitions. [2020-10-14 07:10:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-14 07:10:50,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-10-14 07:10:50,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:10:50,103 INFO L225 Difference]: With dead ends: 270 [2020-10-14 07:10:50,103 INFO L226 Difference]: Without dead ends: 146 [2020-10-14 07:10:50,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-14 07:10:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-14 07:10:50,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-10-14 07:10:50,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-14 07:10:50,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-10-14 07:10:50,187 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-10-14 07:10:50,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:10:50,187 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-10-14 07:10:50,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-14 07:10:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-10-14 07:10:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-14 07:10:50,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:10:50,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:10:50,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:10:50,192 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:10:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:10:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2020-10-14 07:10:50,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:10:50,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164383744] [2020-10-14 07:10:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:10:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:50,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:50,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 07:10:52,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 07:10:52,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1881 [2020-10-14 07:10:52,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:10:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 07:10:52,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:10:52,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,347 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:10:52,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:10:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:52,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 07:10:52,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:10:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:52,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:52,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:52,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:10:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:52,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:52,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:10:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:52,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:52,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:52,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:10:52,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:52,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:10:52,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:52,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-14 07:10:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:52,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:52,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:52,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 07:10:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:52,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:52,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 07:10:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:52,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:52,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:52,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:52,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:52,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:52,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:52,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:52,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:10:52,434 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164383744] [2020-10-14 07:10:52,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:10:52,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:10:52,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243616624] [2020-10-14 07:10:52,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:10:52,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:10:52,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:10:52,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:10:52,438 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-10-14 07:10:52,905 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:10:53,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:10:53,836 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2020-10-14 07:10:53,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:10:53,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-10-14 07:10:53,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:10:53,840 INFO L225 Difference]: With dead ends: 199 [2020-10-14 07:10:53,840 INFO L226 Difference]: Without dead ends: 130 [2020-10-14 07:10:53,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:10:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-14 07:10:53,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-10-14 07:10:53,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-14 07:10:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-10-14 07:10:53,895 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-10-14 07:10:53,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:10:53,896 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-10-14 07:10:53,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:10:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-10-14 07:10:53,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-14 07:10:53,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:10:53,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:10:53,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:10:53,899 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:10:53,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:10:53,900 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2020-10-14 07:10:53,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:10:53,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700561524] [2020-10-14 07:10:53,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:10:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:53,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:54,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-14 07:10:55,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:10:55,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1506 [2020-10-14 07:10:55,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 07:10:55,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:55,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-14 07:10:55,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,801 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:10:55,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:10:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:55,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 07:10:55,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:10:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 07:10:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:10:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:55,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:55,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:10:55,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:55,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:10:55,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:10:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:55,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:55,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:10:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:55,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:10:55,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:10:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:55,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:55,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:10:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:55,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:10:55,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:10:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:10:55,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:55,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:10:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:10:55,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:10:55,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-14 07:10:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:55,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:55,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:55,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:55,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:55,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 07:10:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:55,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:55,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:55,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:55,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-14 07:10:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:55,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:55,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:10:55,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:10:55,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:10:55,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:10:55,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:10:55,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:10:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:10:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:10:55,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:10:55,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:10:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:10:55,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700561524] [2020-10-14 07:10:55,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:10:55,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:10:55,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620447699] [2020-10-14 07:10:55,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:10:55,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:10:55,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:10:55,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:10:55,953 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-10-14 07:10:56,236 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:10:56,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:10:56,866 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2020-10-14 07:10:56,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 07:10:56,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 58 [2020-10-14 07:10:56,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:10:56,869 INFO L225 Difference]: With dead ends: 212 [2020-10-14 07:10:56,869 INFO L226 Difference]: Without dead ends: 130 [2020-10-14 07:10:56,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:10:56,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-14 07:10:56,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-10-14 07:10:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-14 07:10:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-10-14 07:10:56,921 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-10-14 07:10:56,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:10:56,922 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-10-14 07:10:56,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:10:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-10-14 07:10:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-14 07:10:56,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:10:56,928 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:10:56,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:10:56,929 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:10:56,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:10:56,929 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2020-10-14 07:10:56,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:10:56,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1480075534] [2020-10-14 07:10:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:10:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:10:56,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:57,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:57,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:10:59,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:01,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:01,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-14 07:11:01,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 07:11:01,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-14 07:11:01,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:01,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:01,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:11:01,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 07:11:01,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-14 07:11:01,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:02,287 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:11:02,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:11:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:02,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 07:11:02,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:02,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:11:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:02,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:11:02,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:02,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:11:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:02,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:02,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:02,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:11:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:02,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:02,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:11:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:02,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:02,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:02,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:11:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 07:11:02,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:11:02,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:02,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:11:02,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:11:02,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:11:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:02,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:02,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:02,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:11:02,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:02,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 07:11:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:02,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:11:02,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:02,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 07:11:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:02,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:11:02,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:02,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-14 07:11:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:02,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:02,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:02,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:02,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:02,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:11:02,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:02,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:11:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:02,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:02,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:11:02,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1480075534] [2020-10-14 07:11:02,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:11:02,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:11:02,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931924204] [2020-10-14 07:11:02,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:11:02,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:11:02,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:11:02,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:11:02,516 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 8 states. [2020-10-14 07:11:03,548 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:11:04,326 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-10-14 07:11:04,625 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 07:11:04,879 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-10-14 07:11:05,374 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:11:05,608 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:11:06,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:11:06,061 INFO L93 Difference]: Finished difference Result 302 states and 389 transitions. [2020-10-14 07:11:06,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 07:11:06,062 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-14 07:11:06,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:11:06,064 INFO L225 Difference]: With dead ends: 302 [2020-10-14 07:11:06,064 INFO L226 Difference]: Without dead ends: 114 [2020-10-14 07:11:06,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-14 07:11:06,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-14 07:11:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 97. [2020-10-14 07:11:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-14 07:11:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2020-10-14 07:11:06,089 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 66 [2020-10-14 07:11:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:11:06,090 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2020-10-14 07:11:06,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:11:06,090 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2020-10-14 07:11:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-14 07:11:06,091 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:11:06,091 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:11:06,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 07:11:06,092 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:11:06,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:11:06,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2020-10-14 07:11:06,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:11:06,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350428178] [2020-10-14 07:11:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:11:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:06,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:06,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 07:11:07,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 07:11:07,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-10-14 07:11:07,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:11:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-14 07:11:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-14 07:11:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:07,385 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:11:07,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:11:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:07,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 07:11:07,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:07,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:11:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:07,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:11:07,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:11:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:07,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:11:07,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:07,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:07,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:11:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:07,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:11:07,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:07,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:07,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:11:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:07,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:11:07,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:07,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:11:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:11:07,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 07:11:07,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:07,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 07:11:07,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:07,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:11:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:11:07,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 07:11:07,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:07,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 07:11:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:11:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:11:07,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:11:07,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:07,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:11:07,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:11:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:11:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:07,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:07,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 07:11:07,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-14 07:11:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:07,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:11:07,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:11:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:07,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-14 07:11:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:07,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:11:07,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:11:07,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:07,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:07,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-14 07:11:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:07,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:07,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:07,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:07,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:07,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:07,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:07,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:07,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:11:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:11:07,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350428178] [2020-10-14 07:11:07,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:11:07,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:11:07,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870470934] [2020-10-14 07:11:07,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:11:07,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:11:07,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:11:07,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:11:07,688 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand 8 states. [2020-10-14 07:11:08,121 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:11:09,188 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:11:09,451 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:11:09,687 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-14 07:11:09,910 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-14 07:11:10,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:11:10,217 INFO L93 Difference]: Finished difference Result 249 states and 301 transitions. [2020-10-14 07:11:10,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 07:11:10,217 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-14 07:11:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:11:10,220 INFO L225 Difference]: With dead ends: 249 [2020-10-14 07:11:10,220 INFO L226 Difference]: Without dead ends: 176 [2020-10-14 07:11:10,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:11:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-14 07:11:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 161. [2020-10-14 07:11:10,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-14 07:11:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 183 transitions. [2020-10-14 07:11:10,252 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 183 transitions. Word has length 80 [2020-10-14 07:11:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:11:10,253 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 183 transitions. [2020-10-14 07:11:10,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:11:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 183 transitions. [2020-10-14 07:11:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 07:11:10,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:11:10,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:11:10,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 07:11:10,255 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:11:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:11:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2020-10-14 07:11:10,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:11:10,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1123018036] [2020-10-14 07:11:10,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:11:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 07:11:10,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-14 07:11:10,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:11:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-14 07:11:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:10,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:10,708 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:11:10,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:11:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:10,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 07:11:10,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:10,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:10,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:11:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:10,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:10,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:10,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:10,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:11:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:10,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:10,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:10,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:10,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:11:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:10,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:10,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:10,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:10,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:11:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:10,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:10,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:10,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:10,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 07:11:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:10,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:10,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:10,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:11:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:11:10,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 07:11:10,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:11:10,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-14 07:11:10,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:10,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:10,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:11:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:11:10,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 07:11:10,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:11:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 07:11:10,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:10,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:10,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:11:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:11:10,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:11:10,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 07:11:10,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:10,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:11:10,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:10,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:11:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:10,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:10,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 07:11:10,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:10,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:11:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:10,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:10,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:11:10,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:10,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 07:11:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:10,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:10,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:11:10,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:10,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 07:11:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:10,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:10,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:10,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:10,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:10,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:10,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:10,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:10,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:11:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:10,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:10,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:11:10,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1123018036] [2020-10-14 07:11:10,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:11:10,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:11:10,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517430213] [2020-10-14 07:11:10,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:11:10,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:11:10,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:11:10,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:11:10,918 INFO L87 Difference]: Start difference. First operand 161 states and 183 transitions. Second operand 8 states. [2020-10-14 07:11:12,095 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:11:12,310 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:11:12,537 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:11:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:11:12,940 INFO L93 Difference]: Finished difference Result 327 states and 391 transitions. [2020-10-14 07:11:12,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 07:11:12,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-14 07:11:12,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:11:12,945 INFO L225 Difference]: With dead ends: 327 [2020-10-14 07:11:12,945 INFO L226 Difference]: Without dead ends: 190 [2020-10-14 07:11:12,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-10-14 07:11:12,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-10-14 07:11:12,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 161. [2020-10-14 07:11:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-14 07:11:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 182 transitions. [2020-10-14 07:11:12,997 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 182 transitions. Word has length 84 [2020-10-14 07:11:12,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:11:12,999 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 182 transitions. [2020-10-14 07:11:12,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:11:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 182 transitions. [2020-10-14 07:11:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-14 07:11:13,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:11:13,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:11:13,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 07:11:13,004 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:11:13,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:11:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2020-10-14 07:11:13,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:11:13,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922009160] [2020-10-14 07:11:13,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:11:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-14 07:11:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-10-14 07:11:13,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:11:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-14 07:11:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:11:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,578 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:11:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:11:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 07:11:13,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:11:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:11:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:13,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:13,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:11:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:13,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:13,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:11:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:13,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:13,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 07:11:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:13,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:13,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 07:11:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 07:11:13,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 07:11:13,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:11:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 07:11:13,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 07:11:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 07:11:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 07:11:13,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 07:11:13,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:11:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 07:11:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 07:11:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 07:11:13,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:13,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:11:13,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 07:11:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:11:13,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:13,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 07:11:13,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 07:11:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:13,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:13,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:11:13,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-14 07:11:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:13,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:11:13,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:11:13,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:11:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-14 07:11:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:11:13,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:11:13,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:11:13,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:11:13,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:11:13,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:11:13,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:11:13,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:11:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:11:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:11:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:11:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:11:13,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:11:13,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922009160] [2020-10-14 07:11:13,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:11:13,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 07:11:13,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448382794] [2020-10-14 07:11:13,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 07:11:13,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:11:13,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 07:11:13,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-14 07:11:13,753 INFO L87 Difference]: Start difference. First operand 161 states and 182 transitions. Second operand 9 states. [2020-10-14 07:11:14,675 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:11:14,895 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:11:15,155 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:11:15,367 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:11:15,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:11:15,641 INFO L93 Difference]: Finished difference Result 289 states and 351 transitions. [2020-10-14 07:11:15,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 07:11:15,642 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-10-14 07:11:15,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:11:15,642 INFO L225 Difference]: With dead ends: 289 [2020-10-14 07:11:15,643 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:11:15,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:11:15,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:11:15,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:11:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:11:15,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:11:15,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2020-10-14 07:11:15,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:11:15,645 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:11:15,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 07:11:15,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:11:15,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:11:15,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 07:11:15,647 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:11:16,686 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 18 [2020-10-14 07:11:18,724 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 8 [2020-10-14 07:11:18,875 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-14 07:11:19,016 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-14 07:11:19,171 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:19,318 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-14 07:11:19,642 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 18 [2020-10-14 07:11:19,788 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-14 07:11:19,984 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 14 [2020-10-14 07:11:20,142 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2020-10-14 07:11:20,444 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 7 [2020-10-14 07:11:20,606 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:20,794 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-14 07:11:20,939 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:21,226 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2020-10-14 07:11:21,371 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-14 07:11:21,567 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-10-14 07:11:21,847 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-10-14 07:11:22,007 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-14 07:11:22,142 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 8 [2020-10-14 07:11:22,594 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-10-14 07:11:22,738 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2020-10-14 07:11:22,886 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:23,103 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 26 [2020-10-14 07:11:23,250 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:23,551 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 17 [2020-10-14 07:11:23,698 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-14 07:11:23,839 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-10-14 07:11:23,986 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:24,151 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-10-14 07:11:24,321 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:24,467 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 19 [2020-10-14 07:11:24,642 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 17 [2020-10-14 07:11:24,743 INFO L268 CegarLoopResult]: For program point L479(lines 456 480) no Hoare annotation was computed. [2020-10-14 07:11:24,743 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2020-10-14 07:11:24,743 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-10-14 07:11:24,743 INFO L268 CegarLoopResult]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2020-10-14 07:11:24,743 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point L540(lines 513 541) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-10-14 07:11:24,744 INFO L268 CegarLoopResult]: For program point L533-1(line 533) no Hoare annotation was computed. [2020-10-14 07:11:24,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2020-10-14 07:11:24,745 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2020-10-14 07:11:24,745 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-10-14 07:11:24,745 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-10-14 07:11:24,745 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-10-14 07:11:24,745 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2020-10-14 07:11:24,746 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2020-10-14 07:11:24,746 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2020-10-14 07:11:24,746 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2020-10-14 07:11:24,746 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2020-10-14 07:11:24,746 INFO L264 CegarLoopResult]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,746 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,746 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2020-10-14 07:11:24,746 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2020-10-14 07:11:24,746 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,747 INFO L264 CegarLoopResult]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,747 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-10-14 07:11:24,747 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2020-10-14 07:11:24,747 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 07:11:24,747 INFO L264 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,747 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,747 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-10-14 07:11:24,748 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-10-14 07:11:24,749 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2020-10-14 07:11:24,750 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point L713(lines 713 733) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2020-10-14 07:11:24,751 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-10-14 07:11:24,752 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-14 07:11:24,752 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-14 07:11:24,752 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-10-14 07:11:24,753 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (<= ~waterLevel~0 1) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0))) [2020-10-14 07:11:24,753 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0))) [2020-10-14 07:11:24,753 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-10-14 07:11:24,753 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) .cse0))) [2020-10-14 07:11:24,753 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-10-14 07:11:24,753 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-10-14 07:11:24,753 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-10-14 07:11:24,753 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-10-14 07:11:24,753 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-14 07:11:24,753 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-10-14 07:11:24,754 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-14 07:11:24,754 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-10-14 07:11:24,754 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-14 07:11:24,754 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-10-14 07:11:24,754 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-10-14 07:11:24,754 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-14 07:11:24,754 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-10-14 07:11:24,754 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-10-14 07:11:24,754 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-14 07:11:24,754 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= ~waterLevel~0 1) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0 .cse1))) [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~waterLevel~0)| 1))) [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L673(lines 673 680) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L667(lines 667 687) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-10-14 07:11:24,755 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L638(lines 638 649) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L620(lines 598 621) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L600(lines 599 619) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L596(lines 596 637) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-10-14 07:11:24,756 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#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~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~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)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-10-14 07:11:24,757 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-10-14 07:11:24,758 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-10-14 07:11:24,758 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-10-14 07:11:24,758 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-10-14 07:11:24,758 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-10-14 07:11:24,758 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-10-14 07:11:24,758 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-10-14 07:11:24,758 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-10-14 07:11:24,758 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-10-14 07:11:24,758 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:11:24,759 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-10-14 07:11:24,759 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-10-14 07:11:24,759 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:11:24,759 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:11:24,759 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:11:24,759 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-14 07:11:24,759 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= 1 ~systemActive~0)) (and (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) .cse0))) [2020-10-14 07:11:24,759 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-10-14 07:11:24,759 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (not (<= (+ |old(~pumpRunning~0)| 1) 0)) (not (< 0 |old(~pumpRunning~0)|))) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (<= (+ ~pumpRunning~0 1) 0) (and (<= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 (< 0 ~pumpRunning~0)))) [2020-10-14 07:11:24,759 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-10-14 07:11:24,759 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (or (<= (+ ~pumpRunning~0 1) 0) (< 0 ~pumpRunning~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-10-14 07:11:24,760 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-10-14 07:11:24,760 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2020-10-14 07:11:24,760 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-10-14 07:11:24,760 INFO L271 CegarLoopResult]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2020-10-14 07:11:24,760 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2020-10-14 07:11:24,760 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 07:11:24,760 INFO L271 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2020-10-14 07:11:24,760 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-10-14 07:11:24,760 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-10-14 07:11:24,760 INFO L271 CegarLoopResult]: At program point L138(lines 113 142) the Hoare annotation is: true [2020-10-14 07:11:24,761 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-10-14 07:11:24,761 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-10-14 07:11:24,761 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-10-14 07:11:24,761 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-10-14 07:11:24,761 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-10-14 07:11:24,761 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (<= ~waterLevel~0 1))) [2020-10-14 07:11:24,761 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2020-10-14 07:11:24,761 INFO L268 CegarLoopResult]: For program point L765-1(line 765) no Hoare annotation was computed. [2020-10-14 07:11:24,761 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-10-14 07:11:24,762 INFO L268 CegarLoopResult]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2020-10-14 07:11:24,762 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2020-10-14 07:11:24,762 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-10-14 07:11:24,762 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-10-14 07:11:24,762 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-10-14 07:11:24,762 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-10-14 07:11:24,762 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-10-14 07:11:24,762 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= ~waterLevel~0 1))) (or .cse0 (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0)))))) [2020-10-14 07:11:24,762 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) (not (= 1 ~systemActive~0))) [2020-10-14 07:11:24,763 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-10-14 07:11:24,763 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-10-14 07:11:24,763 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-10-14 07:11:24,763 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-10-14 07:11:24,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:11:24,763 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2020-10-14 07:11:24,763 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:11:24,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:11:24,763 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2020-10-14 07:11:24,763 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) [2020-10-14 07:11:24,764 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2020-10-14 07:11:24,764 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-10-14 07:11:24,764 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-10-14 07:11:24,764 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and (not (<= (+ ~pumpRunning~0 1) 0)) (not (< 0 ~pumpRunning~0))) .cse1) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1))) [2020-10-14 07:11:24,764 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2020-10-14 07:11:24,764 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-10-14 07:11:24,764 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2020-10-14 07:11:24,764 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2020-10-14 07:11:24,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:11:24 BoogieIcfgContainer [2020-10-14 07:11:24,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:11:24,783 INFO L168 Benchmark]: Toolchain (without parser) took 40678.50 ms. Allocated memory was 151.0 MB in the beginning and 617.1 MB in the end (delta: 466.1 MB). Free memory was 105.8 MB in the beginning and 132.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 479.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:11:24,784 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 125.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-14 07:11:24,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.36 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 105.8 MB in the beginning and 174.5 MB in the end (delta: -68.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:11:24,785 INFO L168 Benchmark]: Boogie Preprocessor took 87.24 ms. Allocated memory is still 206.6 MB. Free memory was 174.5 MB in the beginning and 170.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:11:24,786 INFO L168 Benchmark]: RCFGBuilder took 1092.99 ms. Allocated memory was 206.6 MB in the beginning and 228.6 MB in the end (delta: 22.0 MB). Free memory was 170.1 MB in the beginning and 182.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2020-10-14 07:11:24,787 INFO L168 Benchmark]: TraceAbstraction took 38835.28 ms. Allocated memory was 228.6 MB in the beginning and 617.1 MB in the end (delta: 388.5 MB). Free memory was 180.7 MB in the beginning and 132.6 MB in the end (delta: 48.1 MB). Peak memory consumption was 476.5 MB. Max. memory is 7.1 GB. [2020-10-14 07:11:24,790 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 125.1 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.36 ms. Allocated memory was 151.0 MB in the beginning and 206.6 MB in the end (delta: 55.6 MB). Free memory was 105.8 MB in the beginning and 174.5 MB in the end (delta: -68.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.24 ms. Allocated memory is still 206.6 MB. Free memory was 174.5 MB in the beginning and 170.1 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1092.99 ms. Allocated memory was 206.6 MB in the beginning and 228.6 MB in the end (delta: 22.0 MB). Free memory was 170.1 MB in the beginning and 182.1 MB in the end (delta: -12.0 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38835.28 ms. Allocated memory was 228.6 MB in the beginning and 617.1 MB in the end (delta: 388.5 MB). Free memory was 180.7 MB in the beginning and 132.6 MB in the end (delta: 48.1 MB). Peak memory consumption was 476.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(waterLevel) <= 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || (((waterLevel <= 1 && splverifierCounter <= 0) && 1 == systemActive) && pumpRunning == \old(pumpRunning))) || !(\old(waterLevel) <= 1)) || (((pumpRunning + 1 <= 0 || 0 < pumpRunning) && splverifierCounter <= 0) && 1 == systemActive) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 13.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 651 SDtfs, 849 SDslu, 409 SDs, 0 SdLazy, 2439 SolverSat, 474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 157 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 140 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 376 PreInvPairs, 474 NumberOfFragments, 891 HoareAnnotationTreeSize, 376 FomulaSimplifications, 163493 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 53 FomulaSimplificationsInter, 12784 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 136346 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...