/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:38:57,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:38:57,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:38:57,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:38:57,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:38:57,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:38:57,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:38:57,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:38:57,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:38:57,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:38:57,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:38:57,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:38:57,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:38:57,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:38:57,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:38:57,838 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:38:57,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:38:57,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:38:57,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:38:57,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:38:57,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:38:57,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:38:57,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:38:57,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:38:57,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:38:57,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:38:57,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:38:57,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:38:57,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:38:57,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:38:57,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:38:57,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:38:57,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:38:57,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:38:57,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:38:57,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:38:57,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:38:57,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:38:57,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:38:57,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:38:57,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:38:57,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:38:57,876 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:38:57,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:38:57,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:38:57,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:38:57,878 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:38:57,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:38:57,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:38:57,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:38:57,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:38:57,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:38:57,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:38:57,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:38:57,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:38:57,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:38:57,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:38:57,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:38:57,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:38:57,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:38:57,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:38:57,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:38:57,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:38:57,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:57,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:38:57,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:38:57,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:38:57,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:38:57,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:57,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:38:57,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:38:57,883 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:38:58,171 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:38:58,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:38:58,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:38:58,188 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:38:58,189 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:38:58,190 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-21 10:38:58,251 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47bbcc265/d9a30f5f71fb48b1909177c91b0361d9/FLAG9114495c7 [2020-07-21 10:38:58,739 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:38:58,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product52.cil.c [2020-07-21 10:38:58,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47bbcc265/d9a30f5f71fb48b1909177c91b0361d9/FLAG9114495c7 [2020-07-21 10:38:59,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47bbcc265/d9a30f5f71fb48b1909177c91b0361d9 [2020-07-21 10:38:59,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:38:59,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:38:59,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:59,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:38:59,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:38:59,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a59be6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59, skipping insertion in model container [2020-07-21 10:38:59,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:38:59,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:38:59,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:59,637 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:38:59,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:59,803 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:38:59,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59 WrapperNode [2020-07-21 10:38:59,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:59,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:38:59,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:38:59,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:38:59,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... [2020-07-21 10:38:59,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:38:59,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:38:59,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:38:59,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:38:59,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-21 10:39:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:39:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:39:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:00,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:39:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:39:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:39:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:39:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:39:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:39:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:39:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:39:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:39:00,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:39:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:39:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:39:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:39:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:39:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:39:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:39:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:39:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:39:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:39:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:39:00,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:39:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:39:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:39:00,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:39:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:39:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:39:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:39:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:39:00,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:39:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:39:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:39:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:39:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:39:00,034 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:39:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:39:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:39:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:39:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:39:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:39:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:39:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:39:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:39:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:39:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:39:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:39:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:39:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:39:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:39:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:39:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:39:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:39:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:39:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:39:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:39:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:39:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:39:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:39:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:39:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:39:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:39:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:39:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:39:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:39:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:39:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:39:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:39:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:00,042 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:39:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:39:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:39:00,043 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:39:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:39:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:39:00,044 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:39:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:39:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:39:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:39:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:39:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:39:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:39:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:39:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:39:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:39:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:39:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:39:01,279 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:39:01,280 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:39:01,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:01 BoogieIcfgContainer [2020-07-21 10:39:01,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:39:01,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:39:01,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:39:01,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:39:01,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:59" (1/3) ... [2020-07-21 10:39:01,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d467c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:01, skipping insertion in model container [2020-07-21 10:39:01,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:59" (2/3) ... [2020-07-21 10:39:01,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d467c62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:01, skipping insertion in model container [2020-07-21 10:39:01,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:01" (3/3) ... [2020-07-21 10:39:01,297 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2020-07-21 10:39:01,308 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:39:01,317 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:39:01,329 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:39:01,351 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:39:01,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:39:01,352 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:39:01,352 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:39:01,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:39:01,352 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:39:01,353 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:39:01,353 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:39:01,377 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states. [2020-07-21 10:39:01,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:39:01,388 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:01,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:01,390 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:01,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:01,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1089631799, now seen corresponding path program 1 times [2020-07-21 10:39:01,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:01,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293842532] [2020-07-21 10:39:01,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:01,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:39:01,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:01,718 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:01,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293842532] [2020-07-21 10:39:01,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:01,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:39:01,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348252281] [2020-07-21 10:39:01,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:39:01,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:01,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:39:01,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:01,745 INFO L87 Difference]: Start difference. First operand 191 states. Second operand 2 states. [2020-07-21 10:39:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:01,793 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2020-07-21 10:39:01,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:39:01,794 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:39:01,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:01,810 INFO L225 Difference]: With dead ends: 292 [2020-07-21 10:39:01,810 INFO L226 Difference]: Without dead ends: 148 [2020-07-21 10:39:01,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:01,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-21 10:39:01,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2020-07-21 10:39:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-07-21 10:39:01,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2020-07-21 10:39:01,871 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 59 [2020-07-21 10:39:01,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:01,872 INFO L479 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2020-07-21 10:39:01,872 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:39:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2020-07-21 10:39:01,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:39:01,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:01,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:02,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,091 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:02,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:02,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1975382983, now seen corresponding path program 1 times [2020-07-21 10:39:02,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:02,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977297589] [2020-07-21 10:39:02,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:02,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:39:02,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:39:02,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:02,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977297589] [2020-07-21 10:39:02,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:02,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:02,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29272037] [2020-07-21 10:39:02,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:02,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:02,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:02,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:02,410 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2020-07-21 10:39:02,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:02,456 INFO L93 Difference]: Finished difference Result 231 states and 271 transitions. [2020-07-21 10:39:02,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:02,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:39:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:02,463 INFO L225 Difference]: With dead ends: 231 [2020-07-21 10:39:02,463 INFO L226 Difference]: Without dead ends: 139 [2020-07-21 10:39:02,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:02,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-21 10:39:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2020-07-21 10:39:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2020-07-21 10:39:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2020-07-21 10:39:02,497 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 60 [2020-07-21 10:39:02,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:02,498 INFO L479 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2020-07-21 10:39:02,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2020-07-21 10:39:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 10:39:02,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:02,500 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:02,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,718 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:02,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:02,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1007889166, now seen corresponding path program 1 times [2020-07-21 10:39:02,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:02,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953520559] [2020-07-21 10:39:02,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:02,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:02,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:02,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:02,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953520559] [2020-07-21 10:39:02,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:02,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:02,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628564606] [2020-07-21 10:39:02,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:02,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:02,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:02,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:02,938 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 3 states. [2020-07-21 10:39:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:02,973 INFO L93 Difference]: Finished difference Result 357 states and 429 transitions. [2020-07-21 10:39:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:02,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 10:39:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:02,977 INFO L225 Difference]: With dead ends: 357 [2020-07-21 10:39:02,977 INFO L226 Difference]: Without dead ends: 246 [2020-07-21 10:39:02,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:02,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-21 10:39:03,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 240. [2020-07-21 10:39:03,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-07-21 10:39:03,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 287 transitions. [2020-07-21 10:39:03,009 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 287 transitions. Word has length 65 [2020-07-21 10:39:03,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:03,010 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 287 transitions. [2020-07-21 10:39:03,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:03,010 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 287 transitions. [2020-07-21 10:39:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:39:03,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:03,013 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:03,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:03,227 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:03,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:03,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1025318737, now seen corresponding path program 1 times [2020-07-21 10:39:03,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:03,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208896581] [2020-07-21 10:39:03,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:03,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:03,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:03,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:03,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208896581] [2020-07-21 10:39:03,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:03,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:03,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345159873] [2020-07-21 10:39:03,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:03,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:03,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:03,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:03,496 INFO L87 Difference]: Start difference. First operand 240 states and 287 transitions. Second operand 6 states. [2020-07-21 10:39:03,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:03,813 INFO L93 Difference]: Finished difference Result 576 states and 721 transitions. [2020-07-21 10:39:03,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:39:03,813 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:39:03,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:03,817 INFO L225 Difference]: With dead ends: 576 [2020-07-21 10:39:03,818 INFO L226 Difference]: Without dead ends: 364 [2020-07-21 10:39:03,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:39:03,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-21 10:39:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 354. [2020-07-21 10:39:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-07-21 10:39:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 427 transitions. [2020-07-21 10:39:03,850 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 427 transitions. Word has length 70 [2020-07-21 10:39:03,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:03,852 INFO L479 AbstractCegarLoop]: Abstraction has 354 states and 427 transitions. [2020-07-21 10:39:03,852 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:03,852 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 427 transitions. [2020-07-21 10:39:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 10:39:03,855 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:03,855 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:04,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:04,070 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:04,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:04,071 INFO L82 PathProgramCache]: Analyzing trace with hash -2085443903, now seen corresponding path program 1 times [2020-07-21 10:39:04,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:04,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1284080155] [2020-07-21 10:39:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:04,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:04,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:04,312 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:04,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1284080155] [2020-07-21 10:39:04,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:04,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:04,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657448214] [2020-07-21 10:39:04,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:04,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:04,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:04,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:04,315 INFO L87 Difference]: Start difference. First operand 354 states and 427 transitions. Second operand 6 states. [2020-07-21 10:39:04,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:04,360 INFO L93 Difference]: Finished difference Result 690 states and 850 transitions. [2020-07-21 10:39:04,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:04,360 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-21 10:39:04,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:04,364 INFO L225 Difference]: With dead ends: 690 [2020-07-21 10:39:04,364 INFO L226 Difference]: Without dead ends: 364 [2020-07-21 10:39:04,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:39:04,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-21 10:39:04,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 364. [2020-07-21 10:39:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-07-21 10:39:04,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 437 transitions. [2020-07-21 10:39:04,414 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 437 transitions. Word has length 93 [2020-07-21 10:39:04,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:04,415 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 437 transitions. [2020-07-21 10:39:04,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:04,415 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 437 transitions. [2020-07-21 10:39:04,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 10:39:04,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:04,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:04,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:04,632 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:04,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:04,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1383844029, now seen corresponding path program 1 times [2020-07-21 10:39:04,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:04,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1704003573] [2020-07-21 10:39:04,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:04,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:04,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:04,847 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:04,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1704003573] [2020-07-21 10:39:04,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:04,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:04,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092225540] [2020-07-21 10:39:04,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:04,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:04,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:04,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:04,850 INFO L87 Difference]: Start difference. First operand 364 states and 437 transitions. Second operand 5 states. [2020-07-21 10:39:04,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:04,879 INFO L93 Difference]: Finished difference Result 714 states and 888 transitions. [2020-07-21 10:39:04,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:04,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-21 10:39:04,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:04,883 INFO L225 Difference]: With dead ends: 714 [2020-07-21 10:39:04,883 INFO L226 Difference]: Without dead ends: 378 [2020-07-21 10:39:04,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:04,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-07-21 10:39:04,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 372. [2020-07-21 10:39:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-21 10:39:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 445 transitions. [2020-07-21 10:39:04,905 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 445 transitions. Word has length 93 [2020-07-21 10:39:04,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:04,906 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 445 transitions. [2020-07-21 10:39:04,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:04,906 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 445 transitions. [2020-07-21 10:39:04,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 10:39:04,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:04,908 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:05,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:05,123 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:05,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:05,124 INFO L82 PathProgramCache]: Analyzing trace with hash 341636868, now seen corresponding path program 1 times [2020-07-21 10:39:05,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:05,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242297453] [2020-07-21 10:39:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:05,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:39:05,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:05,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:05,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242297453] [2020-07-21 10:39:05,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:05,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:05,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189321708] [2020-07-21 10:39:05,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:05,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:05,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:05,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:05,330 INFO L87 Difference]: Start difference. First operand 372 states and 445 transitions. Second operand 3 states. [2020-07-21 10:39:05,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:05,383 INFO L93 Difference]: Finished difference Result 1018 states and 1289 transitions. [2020-07-21 10:39:05,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:05,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-21 10:39:05,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:05,389 INFO L225 Difference]: With dead ends: 1018 [2020-07-21 10:39:05,389 INFO L226 Difference]: Without dead ends: 674 [2020-07-21 10:39:05,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:05,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2020-07-21 10:39:05,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 671. [2020-07-21 10:39:05,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2020-07-21 10:39:05,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 826 transitions. [2020-07-21 10:39:05,431 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 826 transitions. Word has length 93 [2020-07-21 10:39:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:05,431 INFO L479 AbstractCegarLoop]: Abstraction has 671 states and 826 transitions. [2020-07-21 10:39:05,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 826 transitions. [2020-07-21 10:39:05,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 10:39:05,434 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:05,435 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:05,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:05,648 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:05,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:05,649 INFO L82 PathProgramCache]: Analyzing trace with hash -643321942, now seen corresponding path program 1 times [2020-07-21 10:39:05,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:05,650 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528246966] [2020-07-21 10:39:05,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:05,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:05,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:05,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:05,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528246966] [2020-07-21 10:39:05,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:05,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:05,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089497726] [2020-07-21 10:39:05,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:05,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:05,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:05,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:05,945 INFO L87 Difference]: Start difference. First operand 671 states and 826 transitions. Second operand 10 states. [2020-07-21 10:39:07,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:07,425 INFO L93 Difference]: Finished difference Result 2006 states and 2795 transitions. [2020-07-21 10:39:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:39:07,425 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-07-21 10:39:07,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:07,435 INFO L225 Difference]: With dead ends: 2006 [2020-07-21 10:39:07,436 INFO L226 Difference]: Without dead ends: 1363 [2020-07-21 10:39:07,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:39:07,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-07-21 10:39:07,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 994. [2020-07-21 10:39:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2020-07-21 10:39:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1227 transitions. [2020-07-21 10:39:07,503 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1227 transitions. Word has length 97 [2020-07-21 10:39:07,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:07,504 INFO L479 AbstractCegarLoop]: Abstraction has 994 states and 1227 transitions. [2020-07-21 10:39:07,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1227 transitions. [2020-07-21 10:39:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 10:39:07,507 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:07,507 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:07,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:07,722 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:07,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:07,723 INFO L82 PathProgramCache]: Analyzing trace with hash -101859762, now seen corresponding path program 1 times [2020-07-21 10:39:07,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:07,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137105098] [2020-07-21 10:39:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:07,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:39:07,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:07,947 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:39:07,948 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:07,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137105098] [2020-07-21 10:39:07,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:07,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:07,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080183560] [2020-07-21 10:39:07,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:07,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:07,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:07,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:07,951 INFO L87 Difference]: Start difference. First operand 994 states and 1227 transitions. Second operand 3 states. [2020-07-21 10:39:08,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:08,143 INFO L93 Difference]: Finished difference Result 1682 states and 2074 transitions. [2020-07-21 10:39:08,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:08,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-21 10:39:08,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:08,148 INFO L225 Difference]: With dead ends: 1682 [2020-07-21 10:39:08,148 INFO L226 Difference]: Without dead ends: 716 [2020-07-21 10:39:08,153 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:08,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-07-21 10:39:08,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 696. [2020-07-21 10:39:08,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2020-07-21 10:39:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 836 transitions. [2020-07-21 10:39:08,198 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 836 transitions. Word has length 138 [2020-07-21 10:39:08,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:08,199 INFO L479 AbstractCegarLoop]: Abstraction has 696 states and 836 transitions. [2020-07-21 10:39:08,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 836 transitions. [2020-07-21 10:39:08,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-21 10:39:08,203 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:08,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:08,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,417 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:08,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:08,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1477147143, now seen corresponding path program 1 times [2020-07-21 10:39:08,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:08,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [902569142] [2020-07-21 10:39:08,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:08,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:08,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:39:08,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 10:39:09,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [902569142] [2020-07-21 10:39:09,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:09,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:09,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767528668] [2020-07-21 10:39:09,024 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:09,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:09,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:09,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:09,025 INFO L87 Difference]: Start difference. First operand 696 states and 836 transitions. Second operand 10 states. [2020-07-21 10:39:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:09,992 INFO L93 Difference]: Finished difference Result 1537 states and 1862 transitions. [2020-07-21 10:39:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:09,992 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-07-21 10:39:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:09,993 INFO L225 Difference]: With dead ends: 1537 [2020-07-21 10:39:09,994 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:09,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 305 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 10:39:09,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:09,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:09,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:10,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2020-07-21 10:39:10,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:10,000 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:10,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:10,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:10,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:10,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:12,030 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2020-07-21 10:39:12,227 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:12,503 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-21 10:39:12,646 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-21 10:39:12,966 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-21 10:39:13,516 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-21 10:39:13,849 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-21 10:39:14,005 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-07-21 10:39:14,308 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 10:39:14,441 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-21 10:39:14,738 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-21 10:39:15,049 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-21 10:39:15,380 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:15,730 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 10:39:15,901 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-21 10:39:16,171 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-21 10:39:16,269 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:39:16,269 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:39:16,269 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:39:16,270 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 10:39:16,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:39:16,270 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 10:39:16,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:39:16,270 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:39:16,270 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 10:39:16,270 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:39:16,271 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 10:39:16,272 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2020-07-21 10:39:16,272 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2020-07-21 10:39:16,272 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2020-07-21 10:39:16,272 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2020-07-21 10:39:16,272 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2020-07-21 10:39:16,272 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2020-07-21 10:39:16,273 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-07-21 10:39:16,273 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-07-21 10:39:16,273 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-21 10:39:16,273 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2020-07-21 10:39:16,273 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-21 10:39:16,273 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2020-07-21 10:39:16,274 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2020-07-21 10:39:16,274 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 10:39:16,274 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2020-07-21 10:39:16,274 INFO L268 CegarLoopResult]: For program point L555(lines 555 561) no Hoare annotation was computed. [2020-07-21 10:39:16,274 INFO L268 CegarLoopResult]: For program point L554(lines 554 564) no Hoare annotation was computed. [2020-07-21 10:39:16,274 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:16,275 INFO L268 CegarLoopResult]: For program point L552-1(line 552) no Hoare annotation was computed. [2020-07-21 10:39:16,275 INFO L268 CegarLoopResult]: For program point L550(lines 550 567) no Hoare annotation was computed. [2020-07-21 10:39:16,275 INFO L268 CegarLoopResult]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2020-07-21 10:39:16,275 INFO L271 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: true [2020-07-21 10:39:16,275 INFO L268 CegarLoopResult]: For program point L548-1(line 548) no Hoare annotation was computed. [2020-07-21 10:39:16,276 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,276 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-21 10:39:16,276 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,276 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,276 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-21 10:39:16,276 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-21 10:39:16,277 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 10:39:16,277 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,277 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,277 INFO L264 CegarLoopResult]: At program point L494-1(line 494) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,277 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-21 10:39:16,278 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-21 10:39:16,279 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 10:39:16,279 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 10:39:16,279 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-21 10:39:16,279 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 10:39:16,279 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-21 10:39:16,279 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-21 10:39:16,279 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 10:39:16,280 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-21 10:39:16,280 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-21 10:39:16,280 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2020-07-21 10:39:16,280 INFO L264 CegarLoopResult]: At program point L958(line 958) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:16,280 INFO L268 CegarLoopResult]: For program point L956(lines 956 962) no Hoare annotation was computed. [2020-07-21 10:39:16,281 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 10:39:16,281 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2020-07-21 10:39:16,281 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2020-07-21 10:39:16,281 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2020-07-21 10:39:16,281 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2020-07-21 10:39:16,282 INFO L268 CegarLoopResult]: For program point L942(lines 942 946) no Hoare annotation was computed. [2020-07-21 10:39:16,282 INFO L271 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: true [2020-07-21 10:39:16,282 INFO L268 CegarLoopResult]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2020-07-21 10:39:16,282 INFO L268 CegarLoopResult]: For program point L940-1(line 940) no Hoare annotation was computed. [2020-07-21 10:39:16,282 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2020-07-21 10:39:16,282 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2020-07-21 10:39:16,282 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2020-07-21 10:39:16,282 INFO L268 CegarLoopResult]: For program point L897(lines 897 905) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point L897-2(lines 897 905) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point L885(lines 885 893) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point L885-2(lines 885 893) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 878 913) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 878 913) no Hoare annotation was computed. [2020-07-21 10:39:16,283 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 878 913) no Hoare annotation was computed. [2020-07-21 10:39:16,284 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2020-07-21 10:39:16,284 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2020-07-21 10:39:16,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:39:16,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:39:16,284 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:39:16,284 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 10:39:16,284 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:39:16,284 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:39:16,285 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:39:16,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:39:16,285 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:39:16,285 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,285 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,285 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-21 10:39:16,285 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-21 10:39:16,286 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 858 868) no Hoare annotation was computed. [2020-07-21 10:39:16,286 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-21 10:39:16,286 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-07-21 10:39:16,286 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 858 868) no Hoare annotation was computed. [2020-07-21 10:39:16,286 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 858 868) no Hoare annotation was computed. [2020-07-21 10:39:16,286 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 10:39:16,286 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2020-07-21 10:39:16,287 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2020-07-21 10:39:16,287 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2020-07-21 10:39:16,287 INFO L268 CegarLoopResult]: For program point L660(lines 660 666) no Hoare annotation was computed. [2020-07-21 10:39:16,287 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2020-07-21 10:39:16,287 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2020-07-21 10:39:16,287 INFO L264 CegarLoopResult]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,287 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,287 INFO L268 CegarLoopResult]: For program point L825(lines 825 833) no Hoare annotation was computed. [2020-07-21 10:39:16,288 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,288 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2020-07-21 10:39:16,288 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-21 10:39:16,288 INFO L268 CegarLoopResult]: For program point L821(lines 821 838) no Hoare annotation was computed. [2020-07-21 10:39:16,288 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,288 INFO L264 CegarLoopResult]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,288 INFO L268 CegarLoopResult]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2020-07-21 10:39:16,289 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2020-07-21 10:39:16,289 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2020-07-21 10:39:16,289 INFO L264 CegarLoopResult]: At program point L704(line 704) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:16,289 INFO L264 CegarLoopResult]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,289 INFO L268 CegarLoopResult]: For program point L702(lines 702 708) no Hoare annotation was computed. [2020-07-21 10:39:16,289 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2020-07-21 10:39:16,289 INFO L268 CegarLoopResult]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2020-07-21 10:39:16,290 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-07-21 10:39:16,290 INFO L264 CegarLoopResult]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:16,290 INFO L264 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:16,290 INFO L268 CegarLoopResult]: For program point L730(lines 730 736) no Hoare annotation was computed. [2020-07-21 10:39:16,290 INFO L264 CegarLoopResult]: At program point L730-1(lines 722 737) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:16,290 INFO L268 CegarLoopResult]: For program point L693(lines 692 741) no Hoare annotation was computed. [2020-07-21 10:39:16,291 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:39:16,291 INFO L268 CegarLoopResult]: For program point L722(lines 722 737) no Hoare annotation was computed. [2020-07-21 10:39:16,291 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:16,291 INFO L268 CegarLoopResult]: For program point L712(lines 712 718) no Hoare annotation was computed. [2020-07-21 10:39:16,291 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2020-07-21 10:39:16,291 INFO L264 CegarLoopResult]: At program point L739(lines 692 741) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:16,291 INFO L268 CegarLoopResult]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-21 10:39:16,292 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 624 646) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point L632(lines 632 640) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 640) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 624 646) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 624 646) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:39:16,293 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:39:16,294 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2020-07-21 10:39:16,295 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,296 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 10:39:16,296 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,296 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2020-07-21 10:39:16,296 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2020-07-21 10:39:16,296 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 10:39:16,296 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2020-07-21 10:39:16,296 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2020-07-21 10:39:16,297 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2020-07-21 10:39:16,297 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2020-07-21 10:39:16,297 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-21 10:39:16,297 INFO L271 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: true [2020-07-21 10:39:16,297 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-21 10:39:16,297 INFO L268 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-07-21 10:39:16,297 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2020-07-21 10:39:16,297 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2020-07-21 10:39:16,298 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,298 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,298 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,298 INFO L268 CegarLoopResult]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2020-07-21 10:39:16,298 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: true [2020-07-21 10:39:16,298 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2020-07-21 10:39:16,298 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:16,298 INFO L268 CegarLoopResult]: For program point L763(lines 759 781) no Hoare annotation was computed. [2020-07-21 10:39:16,299 INFO L268 CegarLoopResult]: For program point L761(lines 759 781) no Hoare annotation was computed. [2020-07-21 10:39:16,299 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-21 10:39:16,299 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2020-07-21 10:39:16,299 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2020-07-21 10:39:16,299 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-21 10:39:16,300 INFO L264 CegarLoopResult]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse12 .cse11 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse12 .cse14 .cse13)) (.cse7 (not (= 0 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse12 .cse11)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse7 .cse8 (and .cse10 (<= ~waterLevel~0 2) .cse11) .cse3 .cse5) (or .cse6 .cse0 .cse8 .cse9) (or .cse0 (and .cse10 .cse12 .cse11) .cse8 (and .cse10 .cse12 .cse13) .cse3 .cse5)))) [2020-07-21 10:39:16,300 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-21 10:39:16,300 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-21 10:39:16,300 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-21 10:39:16,300 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-21 10:39:16,300 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-21 10:39:16,300 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-21 10:39:16,301 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-21 10:39:16,301 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-21 10:39:16,301 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-21 10:39:16,301 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 10:39:16,301 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 615 623) no Hoare annotation was computed. [2020-07-21 10:39:16,301 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 615 623) no Hoare annotation was computed. [2020-07-21 10:39:16,301 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 615 623) no Hoare annotation was computed. [2020-07-21 10:39:16,301 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:16,301 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2020-07-21 10:39:16,302 INFO L268 CegarLoopResult]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2020-07-21 10:39:16,302 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-21 10:39:16,302 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-21 10:39:16,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,302 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:39:16,302 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:16,302 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:16,302 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2020-07-21 10:39:16,302 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: true [2020-07-21 10:39:16,303 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2020-07-21 10:39:16,303 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,303 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,303 INFO L268 CegarLoopResult]: For program point L799(lines 799 807) no Hoare annotation was computed. [2020-07-21 10:39:16,303 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:16,303 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-07-21 10:39:16,303 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2020-07-21 10:39:16,303 INFO L268 CegarLoopResult]: For program point L795(lines 795 812) no Hoare annotation was computed. [2020-07-21 10:39:16,304 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,304 INFO L268 CegarLoopResult]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2020-07-21 10:39:16,304 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:16,304 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2020-07-21 10:39:16,304 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-21 10:39:16,304 INFO L268 CegarLoopResult]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2020-07-21 10:39:16,305 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-21 10:39:16,305 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-21 10:39:16,305 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-21 10:39:16,305 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-21 10:39:16,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:16 BoogieIcfgContainer [2020-07-21 10:39:16,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:16,325 INFO L168 Benchmark]: Toolchain (without parser) took 17253.89 ms. Allocated memory was 144.7 MB in the beginning and 407.4 MB in the end (delta: 262.7 MB). Free memory was 100.3 MB in the beginning and 134.0 MB in the end (delta: -33.7 MB). Peak memory consumption was 278.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,326 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.47 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,328 INFO L168 Benchmark]: Boogie Preprocessor took 123.20 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,329 INFO L168 Benchmark]: RCFGBuilder took 1357.18 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.7 MB in the beginning and 191.2 MB in the end (delta: -25.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,330 INFO L168 Benchmark]: TraceAbstraction took 15034.97 ms. Allocated memory was 234.9 MB in the beginning and 407.4 MB in the end (delta: 172.5 MB). Free memory was 191.2 MB in the beginning and 134.0 MB in the end (delta: 57.3 MB). Peak memory consumption was 279.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:16,336 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.47 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.9 MB in the beginning and 169.8 MB in the end (delta: -69.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.20 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1357.18 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.7 MB in the beginning and 191.2 MB in the end (delta: -25.6 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15034.97 ms. Allocated memory was 234.9 MB in the beginning and 407.4 MB in the end (delta: 172.5 MB). Free memory was 191.2 MB in the beginning and 134.0 MB in the end (delta: 57.3 MB). Peak memory consumption was 279.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1995 SDtfs, 1078 SDslu, 3442 SDs, 0 SdLazy, 1693 SolverSat, 363 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1099 GetRequests, 1040 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=994occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 414 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1863 PreInvPairs, 1980 NumberOfFragments, 2145 HoareAnnotationTreeSize, 1863 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 9255 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1075 ConstructedInterpolants, 0 QuantifiedInterpolants, 215087 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7837 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 122/144 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...