/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:42:30,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:42:30,916 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:42:30,933 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:42:30,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:42:30,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:42:30,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:42:30,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:42:30,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:42:30,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:42:30,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:42:30,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:42:30,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:42:30,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:42:30,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:42:30,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:42:30,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:42:30,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:42:30,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:42:30,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:42:30,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:42:30,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:42:30,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:42:30,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:42:30,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:42:30,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:42:30,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:42:30,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:42:30,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:42:30,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:42:30,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:42:30,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:42:30,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:42:30,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:42:30,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:42:30,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:42:30,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:42:30,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:42:30,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:42:30,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:42:30,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:42:30,992 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 15:42:31,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:42:31,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:42:31,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:42:31,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:42:31,024 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:42:31,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:42:31,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:42:31,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:42:31,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:42:31,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:42:31,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:42:31,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:42:31,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:42:31,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:42:31,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:42:31,026 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:42:31,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:42:31,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:42:31,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:42:31,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:42:31,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:42:31,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:42:31,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:42:31,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:42:31,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:42:31,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:42:31,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:31,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:42:31,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:42:31,029 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:42:31,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:42:31,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:42:31,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:42:31,330 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:42:31,331 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:42:31,331 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-21 15:42:31,419 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c35323b/e4cc277497774b33b1eddad0f67faa51/FLAG803f8c1da [2020-07-21 15:42:31,936 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:42:31,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-07-21 15:42:31,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c35323b/e4cc277497774b33b1eddad0f67faa51/FLAG803f8c1da [2020-07-21 15:42:32,252 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07c35323b/e4cc277497774b33b1eddad0f67faa51 [2020-07-21 15:42:32,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:42:32,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:42:32,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:42:32,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:42:32,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:42:32,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:32,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b034ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32, skipping insertion in model container [2020-07-21 15:42:32,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:32,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:42:32,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:42:32,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:42:32,811 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:42:32,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:42:32,984 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:42:32,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32 WrapperNode [2020-07-21 15:42:32,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:42:32,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:42:32,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:42:32,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:42:32,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:32,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:33,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:33,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:33,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:33,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:33,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (1/1) ... [2020-07-21 15:42:33,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:42:33,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:42:33,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:42:33,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:42:33,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (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 15:42:33,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:42:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:42:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:42:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:42:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:42:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:42:33,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:42:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:42:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:42:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:42:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:42:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:42:33,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:42:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:42:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:42:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:42:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:42:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:42:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:42:33,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:42:33,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:42:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:42:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:42:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:42:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:42:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:42:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:42:33,135 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:42:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:42:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:42:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:42:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:42:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:42:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:42:33,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 15:42:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:42:33,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:42:33,137 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:42:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:42:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:42:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:42:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:42:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:42:33,138 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:42:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:42:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 15:42:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:42:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 15:42:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:42:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:42:33,139 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:42:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:42:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:42:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:42:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:42:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:42:33,140 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:42:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:42:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:42:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:42:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:42:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:42:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:42:33,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:42:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:42:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:42:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:42:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:42:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:42:33,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:42:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:42:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:42:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:42:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:42:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:42:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:42:33,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:42:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:42:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:42:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:42:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:42:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:42:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:42:33,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:42:34,189 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:42:34,189 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:42:34,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:42:34 BoogieIcfgContainer [2020-07-21 15:42:34,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:42:34,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:42:34,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:42:34,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:42:34,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:42:32" (1/3) ... [2020-07-21 15:42:34,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31db285c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:42:34, skipping insertion in model container [2020-07-21 15:42:34,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:42:32" (2/3) ... [2020-07-21 15:42:34,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31db285c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:42:34, skipping insertion in model container [2020-07-21 15:42:34,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:42:34" (3/3) ... [2020-07-21 15:42:34,204 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-07-21 15:42:34,214 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:42:34,223 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:42:34,237 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:42:34,263 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:42:34,263 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:42:34,263 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:42:34,263 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:42:34,264 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:42:34,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:42:34,264 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:42:34,264 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:42:34,288 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-07-21 15:42:34,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 15:42:34,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:34,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:42:34,303 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:34,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:34,310 INFO L82 PathProgramCache]: Analyzing trace with hash -583894042, now seen corresponding path program 1 times [2020-07-21 15:42:34,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:34,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125216299] [2020-07-21 15:42:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:34,722 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:34,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:34,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:42:34,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:34,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:34,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125216299] [2020-07-21 15:42:34,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:34,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:42:34,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279624715] [2020-07-21 15:42:34,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:42:34,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:34,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:42:34,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:42:34,798 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2020-07-21 15:42:34,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:34,842 INFO L93 Difference]: Finished difference Result 276 states and 341 transitions. [2020-07-21 15:42:34,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:42:34,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 15:42:34,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:34,858 INFO L225 Difference]: With dead ends: 276 [2020-07-21 15:42:34,858 INFO L226 Difference]: Without dead ends: 138 [2020-07-21 15:42:34,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 15:42:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-07-21 15:42:34,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2020-07-21 15:42:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-21 15:42:34,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-07-21 15:42:34,922 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 46 [2020-07-21 15:42:34,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:34,923 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-07-21 15:42:34,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:42:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-07-21 15:42:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 15:42:34,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:34,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:42:35,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:35,138 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:35,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:35,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2008699999, now seen corresponding path program 1 times [2020-07-21 15:42:35,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:35,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45134373] [2020-07-21 15:42:35,141 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:35,517 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:35,517 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:35,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:42:35,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:35,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:35,579 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45134373] [2020-07-21 15:42:35,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:35,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:42:35,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702789470] [2020-07-21 15:42:35,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:42:35,583 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:35,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:42:35,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:42:35,585 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2020-07-21 15:42:35,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:35,621 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2020-07-21 15:42:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:42:35,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 15:42:35,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:35,627 INFO L225 Difference]: With dead ends: 215 [2020-07-21 15:42:35,627 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 15:42:35,630 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 15:42:35,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 15:42:35,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-21 15:42:35,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-21 15:42:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-07-21 15:42:35,660 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2020-07-21 15:42:35,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:35,661 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-07-21 15:42:35,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:42:35,662 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-07-21 15:42:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:42:35,664 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:35,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:42:35,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:35,880 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:35,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:35,881 INFO L82 PathProgramCache]: Analyzing trace with hash 940393630, now seen corresponding path program 1 times [2020-07-21 15:42:35,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:35,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881529406] [2020-07-21 15:42:35,883 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:36,138 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:36,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:36,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:42:36,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:36,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:36,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:36,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881529406] [2020-07-21 15:42:36,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:36,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:42:36,170 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474685499] [2020-07-21 15:42:36,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:42:36,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:36,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:42:36,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:42:36,171 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 3 states. [2020-07-21 15:42:36,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:36,219 INFO L93 Difference]: Finished difference Result 335 states and 401 transitions. [2020-07-21 15:42:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:42:36,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:42:36,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:36,223 INFO L225 Difference]: With dead ends: 335 [2020-07-21 15:42:36,223 INFO L226 Difference]: Without dead ends: 230 [2020-07-21 15:42:36,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 15:42:36,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-07-21 15:42:36,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 224. [2020-07-21 15:42:36,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-21 15:42:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 267 transitions. [2020-07-21 15:42:36,252 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 267 transitions. Word has length 52 [2020-07-21 15:42:36,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:36,253 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 267 transitions. [2020-07-21 15:42:36,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:42:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 267 transitions. [2020-07-21 15:42:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 15:42:36,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:36,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:42:36,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:36,470 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:36,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:36,470 INFO L82 PathProgramCache]: Analyzing trace with hash -885199720, now seen corresponding path program 1 times [2020-07-21 15:42:36,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:36,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525189441] [2020-07-21 15:42:36,472 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:36,864 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:36,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:36,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 15:42:36,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:36,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:36,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:36,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525189441] [2020-07-21 15:42:36,928 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:36,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:42:36,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76191555] [2020-07-21 15:42:36,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:42:36,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:36,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:42:36,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:36,930 INFO L87 Difference]: Start difference. First operand 224 states and 267 transitions. Second operand 6 states. [2020-07-21 15:42:37,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:37,151 INFO L93 Difference]: Finished difference Result 605 states and 759 transitions. [2020-07-21 15:42:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:42:37,152 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 15:42:37,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:37,156 INFO L225 Difference]: With dead ends: 605 [2020-07-21 15:42:37,156 INFO L226 Difference]: Without dead ends: 405 [2020-07-21 15:42:37,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 15:42:37,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-07-21 15:42:37,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2020-07-21 15:42:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-07-21 15:42:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 504 transitions. [2020-07-21 15:42:37,205 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 504 transitions. Word has length 57 [2020-07-21 15:42:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:37,206 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 504 transitions. [2020-07-21 15:42:37,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:42:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 504 transitions. [2020-07-21 15:42:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 15:42:37,217 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:37,217 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:42:37,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:37,430 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:37,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:37,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1426922018, now seen corresponding path program 1 times [2020-07-21 15:42:37,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:37,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [616955878] [2020-07-21 15:42:37,432 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:37,671 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:37,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:37,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:42:37,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:37,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:37,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [616955878] [2020-07-21 15:42:37,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:37,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:42:37,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998251957] [2020-07-21 15:42:37,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:42:37,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:37,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:42:37,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:37,752 INFO L87 Difference]: Start difference. First operand 405 states and 504 transitions. Second operand 6 states. [2020-07-21 15:42:37,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:37,951 INFO L93 Difference]: Finished difference Result 946 states and 1243 transitions. [2020-07-21 15:42:37,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:42:37,951 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-21 15:42:37,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:37,955 INFO L225 Difference]: With dead ends: 946 [2020-07-21 15:42:37,955 INFO L226 Difference]: Without dead ends: 565 [2020-07-21 15:42:37,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 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 15:42:37,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-07-21 15:42:37,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 547. [2020-07-21 15:42:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2020-07-21 15:42:37,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 691 transitions. [2020-07-21 15:42:37,988 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 691 transitions. Word has length 61 [2020-07-21 15:42:37,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:37,989 INFO L479 AbstractCegarLoop]: Abstraction has 547 states and 691 transitions. [2020-07-21 15:42:37,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:42:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 691 transitions. [2020-07-21 15:42:37,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-21 15:42:37,991 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:37,991 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 15:42:38,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:38,206 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:38,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:38,206 INFO L82 PathProgramCache]: Analyzing trace with hash 77918244, now seen corresponding path program 1 times [2020-07-21 15:42:38,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:38,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2092030345] [2020-07-21 15:42:38,207 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:38,475 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:38,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:38,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 15:42:38,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-21 15:42:38,501 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:38,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2092030345] [2020-07-21 15:42:38,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:38,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:42:38,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801164066] [2020-07-21 15:42:38,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:42:38,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:38,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:42:38,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:42:38,504 INFO L87 Difference]: Start difference. First operand 547 states and 691 transitions. Second operand 3 states. [2020-07-21 15:42:38,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:38,596 INFO L93 Difference]: Finished difference Result 906 states and 1147 transitions. [2020-07-21 15:42:38,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:42:38,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-07-21 15:42:38,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:38,599 INFO L225 Difference]: With dead ends: 906 [2020-07-21 15:42:38,599 INFO L226 Difference]: Without dead ends: 383 [2020-07-21 15:42:38,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 111 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 15:42:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-21 15:42:38,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 373. [2020-07-21 15:42:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2020-07-21 15:42:38,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 458 transitions. [2020-07-21 15:42:38,625 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 458 transitions. Word has length 113 [2020-07-21 15:42:38,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:38,626 INFO L479 AbstractCegarLoop]: Abstraction has 373 states and 458 transitions. [2020-07-21 15:42:38,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:42:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 458 transitions. [2020-07-21 15:42:38,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 15:42:38,629 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:38,629 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:38,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:38,845 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:38,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:38,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1096635069, now seen corresponding path program 1 times [2020-07-21 15:42:38,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:38,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903646153] [2020-07-21 15:42:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:39,107 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:39,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:39,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:42:39,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:39,163 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 15:42:39,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:39,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903646153] [2020-07-21 15:42:39,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:39,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:42:39,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184540921] [2020-07-21 15:42:39,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:42:39,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:39,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:42:39,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:39,166 INFO L87 Difference]: Start difference. First operand 373 states and 458 transitions. Second operand 6 states. [2020-07-21 15:42:39,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:39,207 INFO L93 Difference]: Finished difference Result 732 states and 922 transitions. [2020-07-21 15:42:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:42:39,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-07-21 15:42:39,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:39,210 INFO L225 Difference]: With dead ends: 732 [2020-07-21 15:42:39,211 INFO L226 Difference]: Without dead ends: 383 [2020-07-21 15:42:39,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 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 15:42:39,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-07-21 15:42:39,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2020-07-21 15:42:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-07-21 15:42:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 469 transitions. [2020-07-21 15:42:39,235 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 469 transitions. Word has length 134 [2020-07-21 15:42:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:39,235 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 469 transitions. [2020-07-21 15:42:39,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:42:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 469 transitions. [2020-07-21 15:42:39,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 15:42:39,237 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:39,238 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:39,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:39,451 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:39,452 INFO L82 PathProgramCache]: Analyzing trace with hash -782495877, now seen corresponding path program 1 times [2020-07-21 15:42:39,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:39,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131193698] [2020-07-21 15:42:39,453 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:39,638 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:42:39,638 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:39,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:42:39,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 15:42:39,696 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:39,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1131193698] [2020-07-21 15:42:39,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:39,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:42:39,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128839494] [2020-07-21 15:42:39,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:42:39,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:39,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:42:39,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:42:39,698 INFO L87 Difference]: Start difference. First operand 383 states and 469 transitions. Second operand 5 states. [2020-07-21 15:42:39,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:39,725 INFO L93 Difference]: Finished difference Result 740 states and 933 transitions. [2020-07-21 15:42:39,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:42:39,725 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-07-21 15:42:39,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:39,728 INFO L225 Difference]: With dead ends: 740 [2020-07-21 15:42:39,728 INFO L226 Difference]: Without dead ends: 381 [2020-07-21 15:42:39,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 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 15:42:39,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-07-21 15:42:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2020-07-21 15:42:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-07-21 15:42:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 462 transitions. [2020-07-21 15:42:39,770 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 462 transitions. Word has length 134 [2020-07-21 15:42:39,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:39,772 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 462 transitions. [2020-07-21 15:42:39,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:42:39,773 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 462 transitions. [2020-07-21 15:42:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 15:42:39,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:39,784 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:40,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:40,003 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:40,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:40,005 INFO L82 PathProgramCache]: Analyzing trace with hash 867640922, now seen corresponding path program 1 times [2020-07-21 15:42:40,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:40,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1621025885] [2020-07-21 15:42:40,006 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:40,186 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:42:40,186 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:40,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:42:40,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:40,235 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:40,235 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:40,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1621025885] [2020-07-21 15:42:40,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:40,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:42:40,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411866384] [2020-07-21 15:42:40,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:42:40,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:40,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:42:40,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:40,237 INFO L87 Difference]: Start difference. First operand 381 states and 462 transitions. Second operand 6 states. [2020-07-21 15:42:41,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:41,200 INFO L93 Difference]: Finished difference Result 1093 states and 1400 transitions. [2020-07-21 15:42:41,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:42:41,202 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-07-21 15:42:41,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:41,211 INFO L225 Difference]: With dead ends: 1093 [2020-07-21 15:42:41,211 INFO L226 Difference]: Without dead ends: 736 [2020-07-21 15:42:41,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:42:41,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-07-21 15:42:41,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 707. [2020-07-21 15:42:41,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-07-21 15:42:41,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 863 transitions. [2020-07-21 15:42:41,274 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 863 transitions. Word has length 134 [2020-07-21 15:42:41,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:41,274 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 863 transitions. [2020-07-21 15:42:41,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:42:41,274 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 863 transitions. [2020-07-21 15:42:41,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 15:42:41,278 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:41,278 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:42:41,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:41,487 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:41,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:41,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1152526356, now seen corresponding path program 1 times [2020-07-21 15:42:41,488 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:41,489 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739745107] [2020-07-21 15:42:41,489 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) 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 15:42:41,889 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:41,890 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:41,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:42:41,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:42:41,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:42:42,311 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-21 15:42:42,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739745107] [2020-07-21 15:42:42,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:42:42,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-21 15:42:42,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987940546] [2020-07-21 15:42:42,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-21 15:42:42,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:42,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-21 15:42:42,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:42:42,314 INFO L87 Difference]: Start difference. First operand 707 states and 863 transitions. Second operand 12 states. [2020-07-21 15:42:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:43,804 INFO L93 Difference]: Finished difference Result 1925 states and 2551 transitions. [2020-07-21 15:42:43,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 15:42:43,805 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2020-07-21 15:42:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:43,818 INFO L225 Difference]: With dead ends: 1925 [2020-07-21 15:42:43,818 INFO L226 Difference]: Without dead ends: 1242 [2020-07-21 15:42:43,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 264 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2020-07-21 15:42:43,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-07-21 15:42:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 961. [2020-07-21 15:42:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 961 states. [2020-07-21 15:42:43,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1176 transitions. [2020-07-21 15:42:43,890 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1176 transitions. Word has length 138 [2020-07-21 15:42:43,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:43,891 INFO L479 AbstractCegarLoop]: Abstraction has 961 states and 1176 transitions. [2020-07-21 15:42:43,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-21 15:42:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1176 transitions. [2020-07-21 15:42:43,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-21 15:42:43,895 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:43,896 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 15:42:44,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:44,110 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:44,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:44,111 INFO L82 PathProgramCache]: Analyzing trace with hash 2082208677, now seen corresponding path program 2 times [2020-07-21 15:42:44,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:44,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087128176] [2020-07-21 15:42:44,112 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:44,388 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:44,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:44,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:42:44,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:44,482 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-21 15:42:44,483 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 15:42:44,542 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 94 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 15:42:44,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:42:44,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:42:44,895 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 15:42:44,896 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:42:44,958 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 15:42:44,958 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:42:44,979 INFO L320 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-07-21 15:42:44,980 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:42:45,026 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 15:42:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 50 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-07-21 15:42:45,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087128176] [2020-07-21 15:42:45,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:42:45,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2020-07-21 15:42:45,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138369726] [2020-07-21 15:42:45,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-07-21 15:42:45,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:45,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-07-21 15:42:45,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2020-07-21 15:42:45,239 INFO L87 Difference]: Start difference. First operand 961 states and 1176 transitions. Second operand 16 states. [2020-07-21 15:42:47,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:47,661 INFO L93 Difference]: Finished difference Result 2730 states and 3660 transitions. [2020-07-21 15:42:47,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-21 15:42:47,662 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 192 [2020-07-21 15:42:47,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:47,681 INFO L225 Difference]: With dead ends: 2730 [2020-07-21 15:42:47,682 INFO L226 Difference]: Without dead ends: 1933 [2020-07-21 15:42:47,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-07-21 15:42:47,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2020-07-21 15:42:47,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1491. [2020-07-21 15:42:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2020-07-21 15:42:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1822 transitions. [2020-07-21 15:42:47,849 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1822 transitions. Word has length 192 [2020-07-21 15:42:47,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:47,850 INFO L479 AbstractCegarLoop]: Abstraction has 1491 states and 1822 transitions. [2020-07-21 15:42:47,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-07-21 15:42:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1822 transitions. [2020-07-21 15:42:47,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-21 15:42:47,860 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:42:47,860 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-21 15:42:48,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:48,074 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:42:48,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:42:48,075 INFO L82 PathProgramCache]: Analyzing trace with hash 123633891, now seen corresponding path program 1 times [2020-07-21 15:42:48,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:42:48,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1369482167] [2020-07-21 15:42:48,076 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:48,392 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:42:48,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:42:48,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 15:42:48,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:42:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-21 15:42:48,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:42:48,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1369482167] [2020-07-21 15:42:48,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:42:48,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:42:48,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898450353] [2020-07-21 15:42:48,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:42:48,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:42:48,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:42:48,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:42:48,482 INFO L87 Difference]: Start difference. First operand 1491 states and 1822 transitions. Second operand 6 states. [2020-07-21 15:42:48,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:42:48,540 INFO L93 Difference]: Finished difference Result 1939 states and 2349 transitions. [2020-07-21 15:42:48,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:42:48,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-07-21 15:42:48,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:42:48,544 INFO L225 Difference]: With dead ends: 1939 [2020-07-21 15:42:48,544 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:42:48,549 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 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 15:42:48,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:42:48,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:42:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:42:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:42:48,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-07-21 15:42:48,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:42:48,551 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:42:48,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:42:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:42:48,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:42:48,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:42:48,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:42:50,307 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 17 [2020-07-21 15:42:50,678 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-07-21 15:42:51,053 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-07-21 15:42:51,279 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-21 15:42:51,534 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-21 15:42:51,964 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 30 [2020-07-21 15:42:52,218 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 14 [2020-07-21 15:42:52,328 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2020-07-21 15:42:52,874 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-07-21 15:42:52,981 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2020-07-21 15:42:53,195 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-07-21 15:42:53,477 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-21 15:42:53,477 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 536) no Hoare annotation was computed. [2020-07-21 15:42:53,477 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 501 556) no Hoare annotation was computed. [2020-07-21 15:42:53,477 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 15:42:53,477 INFO L268 CegarLoopResult]: For program point L526-2(lines 526 547) no Hoare annotation was computed. [2020-07-21 15:42:53,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 501 556) no Hoare annotation was computed. [2020-07-21 15:42:53,478 INFO L268 CegarLoopResult]: For program point L548(lines 525 549) no Hoare annotation was computed. [2020-07-21 15:42:53,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 501 556) no Hoare annotation was computed. [2020-07-21 15:42:53,478 INFO L268 CegarLoopResult]: For program point L609(lines 582 610) no Hoare annotation was computed. [2020-07-21 15:42:53,478 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-21 15:42:53,478 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-21 15:42:53,478 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 557 616) no Hoare annotation was computed. [2020-07-21 15:42:53,479 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 557 616) no Hoare annotation was computed. [2020-07-21 15:42:53,479 INFO L268 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-07-21 15:42:53,479 INFO L268 CegarLoopResult]: For program point L589-1(lines 589 593) no Hoare annotation was computed. [2020-07-21 15:42:53,479 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 557 616) no Hoare annotation was computed. [2020-07-21 15:42:53,479 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-07-21 15:42:53,479 INFO L268 CegarLoopResult]: For program point L583-2(lines 583 608) no Hoare annotation was computed. [2020-07-21 15:42:53,480 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 932 938) the Hoare annotation is: true [2020-07-21 15:42:53,480 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 932 938) no Hoare annotation was computed. [2020-07-21 15:42:53,480 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 939 947) no Hoare annotation was computed. [2020-07-21 15:42:53,480 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 939 947) the Hoare annotation is: true [2020-07-21 15:42:53,480 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 939 947) no Hoare annotation was computed. [2020-07-21 15:42:53,480 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 958 982) the Hoare annotation is: true [2020-07-21 15:42:53,480 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 958 982) no Hoare annotation was computed. [2020-07-21 15:42:53,481 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-21 15:42:53,481 INFO L268 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2020-07-21 15:42:53,481 INFO L264 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (= 0 ~systemActive~0)) .cse2))) [2020-07-21 15:42:53,481 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-21 15:42:53,481 INFO L268 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2020-07-21 15:42:53,481 INFO L268 CegarLoopResult]: For program point L966-1(lines 958 982) no Hoare annotation was computed. [2020-07-21 15:42:53,481 INFO L271 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: true [2020-07-21 15:42:53,481 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-07-21 15:42:53,482 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,482 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,482 INFO L264 CegarLoopResult]: At program point L896-1(line 896) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,482 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 890 912) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,482 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2020-07-21 15:42:53,482 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2020-07-21 15:42:53,483 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,483 INFO L264 CegarLoopResult]: At program point L902-1(line 902) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,483 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-07-21 15:42:53,483 INFO L268 CegarLoopResult]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2020-07-21 15:42:53,483 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-07-21 15:42:53,483 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-21 15:42:53,483 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 846 869) no Hoare annotation was computed. [2020-07-21 15:42:53,483 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-21 15:42:53,483 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 846 869) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 846 869) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-21 15:42:53,484 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-21 15:42:53,485 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-21 15:42:53,485 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-21 15:42:53,485 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-21 15:42:53,485 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-07-21 15:42:53,485 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 355 369) no Hoare annotation was computed. [2020-07-21 15:42:53,485 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:53,485 INFO L268 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-07-21 15:42:53,485 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 355 369) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:53,485 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 355 369) no Hoare annotation was computed. [2020-07-21 15:42:53,486 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2020-07-21 15:42:53,486 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2020-07-21 15:42:53,486 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2020-07-21 15:42:53,486 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 336 354) the Hoare annotation is: true [2020-07-21 15:42:53,486 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-07-21 15:42:53,486 INFO L271 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: true [2020-07-21 15:42:53,486 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-07-21 15:42:53,486 INFO L268 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-07-21 15:42:53,486 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 336 354) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 336 354) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point L311-1(line 311) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 281 316) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2020-07-21 15:42:53,487 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 925 931) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 925 931) the Hoare annotation is: true [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 455 500) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 455 500) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 455 500) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 768 813) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point L782(lines 782 802) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point L782-1(lines 782 802) no Hoare annotation was computed. [2020-07-21 15:42:53,488 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 768 813) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 768 813) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 877 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 877 886) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 877 886) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 261 271) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: true [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2020-07-21 15:42:53,489 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-21 15:42:53,490 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-21 15:42:53,490 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-21 15:42:53,490 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-21 15:42:53,490 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-07-21 15:42:53,490 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-07-21 15:42:53,490 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2020-07-21 15:42:53,490 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:53,490 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:53,490 INFO L268 CegarLoopResult]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2020-07-21 15:42:53,490 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:42:53,491 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (<= 1 processEnvironment_~tmp~1)))) [2020-07-21 15:42:53,491 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-21 15:42:53,491 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:53,491 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2020-07-21 15:42:53,491 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2020-07-21 15:42:53,491 INFO L264 CegarLoopResult]: At program point testENTRY(lines 380 447) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,491 INFO L264 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:42:53,491 INFO L268 CegarLoopResult]: For program point testFINAL(lines 380 447) no Hoare annotation was computed. [2020-07-21 15:42:53,491 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:42:53,491 INFO L268 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-07-21 15:42:53,492 INFO L264 CegarLoopResult]: At program point L428-1(lines 420 435) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:42:53,492 INFO L268 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2020-07-21 15:42:53,492 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:42:53,492 INFO L268 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2020-07-21 15:42:53,492 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:42:53,492 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-07-21 15:42:53,492 INFO L268 CegarLoopResult]: For program point L410-1(lines 410 416) no Hoare annotation was computed. [2020-07-21 15:42:53,492 INFO L264 CegarLoopResult]: At program point L437(lines 390 439) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:42:53,492 INFO L264 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse0 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse2 .cse3) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:42:53,492 INFO L268 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point L400-1(lines 400 406) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point testEXIT(lines 380 447) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point L736(lines 736 756) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 756) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 722 767) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 722 767) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 722 767) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-21 15:42:53,493 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 619 721) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L669(lines 668 688) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L665(lines 665 706) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 619 721) no Hoare annotation was computed. [2020-07-21 15:42:53,494 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 688) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 619 721) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point L689(lines 667 690) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point L648(lines 648 664) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point L708(lines 708 715) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 915 924) no Hoare annotation was computed. [2020-07-21 15:42:53,495 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 915 924) no Hoare annotation was computed. [2020-07-21 15:42:53,496 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 915 924) no Hoare annotation was computed. [2020-07-21 15:42:53,496 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:53,496 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-21 15:42:53,496 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:53,496 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-07-21 15:42:53,496 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-07-21 15:42:53,496 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:42:53,496 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-21 15:42:53,496 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-21 15:42:53,497 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-21 15:42:53,497 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2020-07-21 15:42:53,497 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-07-21 15:42:53,497 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2020-07-21 15:42:53,497 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2020-07-21 15:42:53,497 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-07-21 15:42:53,497 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-07-21 15:42:53,497 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-07-21 15:42:53,497 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-21 15:42:53,498 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-21 15:42:53,498 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-21 15:42:53,498 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:53,498 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:42:53,498 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:53,498 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 86 94) no Hoare annotation was computed. [2020-07-21 15:42:53,498 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-21 15:42:53,498 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-21 15:42:53,499 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (and .cse5 (<= ~waterLevel~0 1) .cse3)) (.cse9 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or .cse0 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse6 .cse0 .cse7 .cse4 .cse9) (or (and .cse2 .cse5 .cse3) .cse8 .cse4 .cse1)))) [2020-07-21 15:42:53,499 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse4 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse1 (<= ~waterLevel~0 1) .cse2) .cse3 .cse5) (or (not (= 0 ~systemActive~0)) .cse3 .cse5))) [2020-07-21 15:42:53,499 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and .cse5 (<= ~waterLevel~0 1) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (<= 1 ~systemActive~0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse7) (or .cse8 (and .cse9 .cse4 .cse6) .cse0 .cse2 .cse3) (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or .cse8 (and .cse9 .cse4 .cse10) (and .cse4 .cse10 .cse5) .cse7))))) [2020-07-21 15:42:53,499 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2020-07-21 15:42:53,499 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2020-07-21 15:42:53,499 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2020-07-21 15:42:53,499 INFO L268 CegarLoopResult]: For program point L166(lines 165 184) no Hoare annotation was computed. [2020-07-21 15:42:53,500 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2020-07-21 15:42:53,500 INFO L268 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-07-21 15:42:53,500 INFO L271 CegarLoopResult]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2020-07-21 15:42:53,500 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2020-07-21 15:42:53,500 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-21 15:42:53,500 INFO L271 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2020-07-21 15:42:53,500 INFO L271 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: true [2020-07-21 15:42:53,500 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-21 15:42:53,500 INFO L271 CegarLoopResult]: At program point L841(lines 816 845) the Hoare annotation is: true [2020-07-21 15:42:53,501 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-21 15:42:53,501 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 2 |old(~waterLevel~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 15:42:53,501 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-21 15:42:53,501 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-21 15:42:53,501 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 870 876) no Hoare annotation was computed. [2020-07-21 15:42:53,501 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 870 876) the Hoare annotation is: true [2020-07-21 15:42:53,501 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:42:53,501 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:42:53,502 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:42:53,502 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:42:53,502 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-07-21 15:42:53,502 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: true [2020-07-21 15:42:53,502 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-07-21 15:42:53,502 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:53,502 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2020-07-21 15:42:53,502 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:53,502 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-07-21 15:42:53,503 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (= 0 |old(~pumpRunning~0)|))) [2020-07-21 15:42:53,503 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))))) [2020-07-21 15:42:53,503 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-07-21 15:42:53,503 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 15:42:53,503 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-07-21 15:42:53,503 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-07-21 15:42:53,503 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-21 15:42:53,503 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-21 15:42:53,504 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~waterLevel~0 1) .cse8)) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse2 .cse3 .cse6 .cse7)))) [2020-07-21 15:42:53,504 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2020-07-21 15:42:53,504 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-07-21 15:42:53,504 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2020-07-21 15:42:53,504 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2020-07-21 15:42:53,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:42:53 BoogieIcfgContainer [2020-07-21 15:42:53,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:42:53,540 INFO L168 Benchmark]: Toolchain (without parser) took 21276.92 ms. Allocated memory was 138.4 MB in the beginning and 463.5 MB in the end (delta: 325.1 MB). Free memory was 101.7 MB in the beginning and 102.3 MB in the end (delta: -570.6 kB). Peak memory consumption was 341.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:53,541 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:42:53,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.81 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 169.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:53,544 INFO L168 Benchmark]: Boogie Preprocessor took 85.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:53,545 INFO L168 Benchmark]: RCFGBuilder took 1122.54 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.6 MB in the beginning and 195.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:53,546 INFO L168 Benchmark]: TraceAbstraction took 19342.04 ms. Allocated memory was 235.9 MB in the beginning and 463.5 MB in the end (delta: 227.5 MB). Free memory was 193.8 MB in the beginning and 102.3 MB in the end (delta: 91.5 MB). Peak memory consumption was 335.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:42:53,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.81 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 169.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.13 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 165.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1122.54 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.6 MB in the beginning and 195.3 MB in the end (delta: -29.7 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19342.04 ms. Allocated memory was 235.9 MB in the beginning and 463.5 MB in the end (delta: 227.5 MB). Free memory was 193.8 MB in the beginning and 102.3 MB in the end (delta: 91.5 MB). Peak memory consumption was 335.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: 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: 389]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: ((((((((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(\old(waterLevel) <= 1)) || (((0 == systemActive && 1 <= waterLevel) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(0 == \old(pumpRunning))) || ((2 <= waterLevel && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.5s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2143 SDtfs, 1384 SDslu, 4046 SDs, 0 SdLazy, 3872 SolverSat, 719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1660 GetRequests, 1573 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1491occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 786 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2385 PreInvPairs, 2477 NumberOfFragments, 1316 HoareAnnotationTreeSize, 2385 FomulaSimplifications, 10557 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 8949 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1300 NumberOfCodeBlocks, 1166 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1616 ConstructedInterpolants, 0 QuantifiedInterpolants, 372300 SizeOfPredicates, 43 NumberOfNonLiveVariables, 9303 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 442/501 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...