/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_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:43:12,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:43:12,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:43:12,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:43:12,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:43:12,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:43:12,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:43:12,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:43:12,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:43:13,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:43:13,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:43:13,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:43:13,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:43:13,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:43:13,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:43:13,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:43:13,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:43:13,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:43:13,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:43:13,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:43:13,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:43:13,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:43:13,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:43:13,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:43:13,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:43:13,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:43:13,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:43:13,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:43:13,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:43:13,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:43:13,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:43:13,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:43:13,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:43:13,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:43:13,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:43:13,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:43:13,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:43:13,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:43:13,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:43:13,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:43:13,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:43:13,029 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 15:43:13,043 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:43:13,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:43:13,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:43:13,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:43:13,045 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:43:13,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:43:13,046 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:43:13,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:43:13,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:43:13,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:43:13,046 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:43:13,046 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:43:13,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:43:13,047 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:43:13,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:43:13,047 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:43:13,047 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:43:13,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:43:13,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:43:13,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:43:13,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:43:13,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:13,049 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:43:13,049 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:43:13,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:43:13,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:43:13,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:13,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:43:13,050 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:43:13,050 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 15:43:13,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:43:13,385 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:43:13,389 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:43:13,391 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:43:13,391 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:43:13,392 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-21 15:43:13,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afd72244/0ea3e5c9f7324258b9e3af1cce270976/FLAG24deb00e6 [2020-07-21 15:43:14,051 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:43:14,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-21 15:43:14,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afd72244/0ea3e5c9f7324258b9e3af1cce270976/FLAG24deb00e6 [2020-07-21 15:43:14,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6afd72244/0ea3e5c9f7324258b9e3af1cce270976 [2020-07-21 15:43:14,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:43:14,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:43:14,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:14,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:43:14,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:43:14,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:14" (1/1) ... [2020-07-21 15:43:14,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19dbf883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:14, skipping insertion in model container [2020-07-21 15:43:14,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:14" (1/1) ... [2020-07-21 15:43:14,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:43:14,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:43:14,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:14,892 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:43:15,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:15,059 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:43:15,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15 WrapperNode [2020-07-21 15:43:15,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:15,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:43:15,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:43:15,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:43:15,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (1/1) ... [2020-07-21 15:43:15,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (1/1) ... [2020-07-21 15:43:15,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (1/1) ... [2020-07-21 15:43:15,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (1/1) ... [2020-07-21 15:43:15,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (1/1) ... [2020-07-21 15:43:15,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (1/1) ... [2020-07-21 15:43:15,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (1/1) ... [2020-07-21 15:43:15,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:43:15,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:43:15,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:43:15,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:43:15,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (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 15:43:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:43:15,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:43:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:43:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:43:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:43:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:43:15,224 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:43:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:43:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:43:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:43:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:43:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 15:43:15,225 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:43:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:43:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:43:15,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:43:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:43:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:43:15,227 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:43:15,228 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:43:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:43:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:43:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:43:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:43:15,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:43:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:43:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:43:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:43:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:43:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:43:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:43:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:43:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:43:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:43:15,231 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:43:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:43:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:43:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 15:43:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:43:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:15,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:43:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:43:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:43:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:43:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:43:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:43:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:43:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:43:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:43:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:43:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:43:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:43:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:43:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:43:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:43:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:43:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:43:15,237 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:43:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:43:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:43:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:43:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:43:15,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:43:16,324 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:43:16,324 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:43:16,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:16 BoogieIcfgContainer [2020-07-21 15:43:16,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:43:16,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:43:16,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:43:16,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:43:16,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:43:14" (1/3) ... [2020-07-21 15:43:16,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de2ace5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:16, skipping insertion in model container [2020-07-21 15:43:16,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:15" (2/3) ... [2020-07-21 15:43:16,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5de2ace5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:16, skipping insertion in model container [2020-07-21 15:43:16,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:16" (3/3) ... [2020-07-21 15:43:16,337 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-07-21 15:43:16,347 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:43:16,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:43:16,369 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:43:16,394 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:43:16,395 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:43:16,395 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:43:16,395 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:43:16,395 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:43:16,396 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:43:16,396 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:43:16,396 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:43:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-07-21 15:43:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 15:43:16,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:16,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:16,432 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:16,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:16,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866733, now seen corresponding path program 1 times [2020-07-21 15:43:16,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:16,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422972968] [2020-07-21 15:43:16,448 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 15:43:16,886 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:16,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:16,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:43:16,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:16,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:16,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422972968] [2020-07-21 15:43:16,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:16,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:43:16,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824363499] [2020-07-21 15:43:16,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:43:16,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:16,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:43:16,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:16,962 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-07-21 15:43:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:17,029 INFO L93 Difference]: Finished difference Result 288 states and 355 transitions. [2020-07-21 15:43:17,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:43:17,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 15:43:17,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:17,045 INFO L225 Difference]: With dead ends: 288 [2020-07-21 15:43:17,045 INFO L226 Difference]: Without dead ends: 146 [2020-07-21 15:43:17,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:17,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-21 15:43:17,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-21 15:43:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-21 15:43:17,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-07-21 15:43:17,109 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 59 [2020-07-21 15:43:17,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:17,110 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-07-21 15:43:17,110 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:43:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-07-21 15:43:17,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 15:43:17,114 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:17,114 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:17,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:17,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:17,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:17,331 INFO L82 PathProgramCache]: Analyzing trace with hash 735941424, now seen corresponding path program 1 times [2020-07-21 15:43:17,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:17,332 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321980907] [2020-07-21 15:43:17,333 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 15:43:17,729 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:17,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:17,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:17,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:17,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:17,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321980907] [2020-07-21 15:43:17,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:17,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:17,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352565975] [2020-07-21 15:43:17,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:17,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:17,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:17,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:17,786 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2020-07-21 15:43:17,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:17,810 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2020-07-21 15:43:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:17,811 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 15:43:17,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:17,814 INFO L225 Difference]: With dead ends: 227 [2020-07-21 15:43:17,814 INFO L226 Difference]: Without dead ends: 137 [2020-07-21 15:43:17,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:17,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-21 15:43:17,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-07-21 15:43:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-21 15:43:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2020-07-21 15:43:17,832 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 60 [2020-07-21 15:43:17,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:17,832 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2020-07-21 15:43:17,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:17,833 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2020-07-21 15:43:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 15:43:17,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:17,836 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:18,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:18,051 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:18,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:18,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1019781836, now seen corresponding path program 1 times [2020-07-21 15:43:18,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:18,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [586291723] [2020-07-21 15:43:18,054 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 15:43:18,333 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:18,334 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:18,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:18,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:18,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:18,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:18,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [586291723] [2020-07-21 15:43:18,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:18,383 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:18,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035976783] [2020-07-21 15:43:18,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:18,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:18,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:18,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:18,387 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 3 states. [2020-07-21 15:43:18,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:18,429 INFO L93 Difference]: Finished difference Result 351 states and 420 transitions. [2020-07-21 15:43:18,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:18,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 15:43:18,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:18,433 INFO L225 Difference]: With dead ends: 351 [2020-07-21 15:43:18,434 INFO L226 Difference]: Without dead ends: 242 [2020-07-21 15:43:18,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:18,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-21 15:43:18,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2020-07-21 15:43:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-21 15:43:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 281 transitions. [2020-07-21 15:43:18,468 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 281 transitions. Word has length 65 [2020-07-21 15:43:18,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:18,468 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 281 transitions. [2020-07-21 15:43:18,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:18,469 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 281 transitions. [2020-07-21 15:43:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 15:43:18,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:18,472 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:18,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:18,688 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:18,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:18,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1071873071, now seen corresponding path program 1 times [2020-07-21 15:43:18,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:18,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457745981] [2020-07-21 15:43:18,691 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 15:43:18,999 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:19,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:19,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:19,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:19,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:19,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457745981] [2020-07-21 15:43:19,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:19,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:19,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257949265] [2020-07-21 15:43:19,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:19,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:19,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:19,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:19,046 INFO L87 Difference]: Start difference. First operand 236 states and 281 transitions. Second operand 6 states. [2020-07-21 15:43:19,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:19,348 INFO L93 Difference]: Finished difference Result 568 states and 709 transitions. [2020-07-21 15:43:19,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 15:43:19,348 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 15:43:19,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:19,353 INFO L225 Difference]: With dead ends: 568 [2020-07-21 15:43:19,353 INFO L226 Difference]: Without dead ends: 360 [2020-07-21 15:43:19,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:43:19,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-21 15:43:19,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 350. [2020-07-21 15:43:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-07-21 15:43:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 421 transitions. [2020-07-21 15:43:19,394 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 421 transitions. Word has length 70 [2020-07-21 15:43:19,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:19,395 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 421 transitions. [2020-07-21 15:43:19,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:19,395 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 421 transitions. [2020-07-21 15:43:19,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 15:43:19,399 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:19,399 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:19,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:19,614 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:19,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:19,617 INFO L82 PathProgramCache]: Analyzing trace with hash -573764694, now seen corresponding path program 1 times [2020-07-21 15:43:19,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:19,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [172188120] [2020-07-21 15:43:19,618 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 15:43:19,861 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:19,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:19,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 15:43:19,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:19,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:19,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [172188120] [2020-07-21 15:43:19,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:19,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:19,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277658241] [2020-07-21 15:43:19,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:19,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:19,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:19,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:19,893 INFO L87 Difference]: Start difference. First operand 350 states and 421 transitions. Second operand 5 states. [2020-07-21 15:43:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:19,920 INFO L93 Difference]: Finished difference Result 686 states and 856 transitions. [2020-07-21 15:43:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:19,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-21 15:43:19,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:19,924 INFO L225 Difference]: With dead ends: 686 [2020-07-21 15:43:19,925 INFO L226 Difference]: Without dead ends: 364 [2020-07-21 15:43:19,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:19,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-21 15:43:19,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2020-07-21 15:43:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-07-21 15:43:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 429 transitions. [2020-07-21 15:43:19,953 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 429 transitions. Word has length 93 [2020-07-21 15:43:19,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:19,954 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 429 transitions. [2020-07-21 15:43:19,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 429 transitions. [2020-07-21 15:43:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 15:43:19,956 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:19,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:20,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:20,170 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:20,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:20,171 INFO L82 PathProgramCache]: Analyzing trace with hash 127835180, now seen corresponding path program 1 times [2020-07-21 15:43:20,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:20,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097277800] [2020-07-21 15:43:20,172 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 15:43:20,500 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:20,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:20,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:43:20,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:20,544 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:20,544 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097277800] [2020-07-21 15:43:20,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:20,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:20,545 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006701087] [2020-07-21 15:43:20,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:20,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:20,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:20,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:20,546 INFO L87 Difference]: Start difference. First operand 358 states and 429 transitions. Second operand 3 states. [2020-07-21 15:43:20,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:20,592 INFO L93 Difference]: Finished difference Result 994 states and 1275 transitions. [2020-07-21 15:43:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:20,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-21 15:43:20,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:20,598 INFO L225 Difference]: With dead ends: 994 [2020-07-21 15:43:20,598 INFO L226 Difference]: Without dead ends: 664 [2020-07-21 15:43:20,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:20,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-07-21 15:43:20,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 661. [2020-07-21 15:43:20,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-07-21 15:43:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 830 transitions. [2020-07-21 15:43:20,641 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 830 transitions. Word has length 93 [2020-07-21 15:43:20,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:20,642 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 830 transitions. [2020-07-21 15:43:20,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 830 transitions. [2020-07-21 15:43:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 15:43:20,645 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:20,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:20,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:20,861 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:20,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:20,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1032214257, now seen corresponding path program 1 times [2020-07-21 15:43:20,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:20,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928494825] [2020-07-21 15:43:20,862 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 15:43:21,171 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:21,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:21,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 15:43:21,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:21,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:21,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928494825] [2020-07-21 15:43:21,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:21,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:21,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931009375] [2020-07-21 15:43:21,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:21,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:21,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:21,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:21,268 INFO L87 Difference]: Start difference. First operand 661 states and 830 transitions. Second operand 6 states. [2020-07-21 15:43:22,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:22,434 INFO L93 Difference]: Finished difference Result 2237 states and 3006 transitions. [2020-07-21 15:43:22,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:43:22,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-21 15:43:22,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:22,452 INFO L225 Difference]: With dead ends: 2237 [2020-07-21 15:43:22,452 INFO L226 Difference]: Without dead ends: 1604 [2020-07-21 15:43:22,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 15:43:22,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2020-07-21 15:43:22,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1480. [2020-07-21 15:43:22,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1480 states. [2020-07-21 15:43:22,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 1922 transitions. [2020-07-21 15:43:22,572 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 1922 transitions. Word has length 97 [2020-07-21 15:43:22,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:22,572 INFO L479 AbstractCegarLoop]: Abstraction has 1480 states and 1922 transitions. [2020-07-21 15:43:22,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:22,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1922 transitions. [2020-07-21 15:43:22,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 15:43:22,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:22,575 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:22,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:22,790 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:22,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:22,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1995721705, now seen corresponding path program 1 times [2020-07-21 15:43:22,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:22,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875761112] [2020-07-21 15:43:22,792 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 15:43:23,043 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:23,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:23,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:23,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:23,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:23,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875761112] [2020-07-21 15:43:23,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:23,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:23,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989020991] [2020-07-21 15:43:23,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:23,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:23,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:23,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:23,082 INFO L87 Difference]: Start difference. First operand 1480 states and 1922 transitions. Second operand 6 states. [2020-07-21 15:43:23,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:23,163 INFO L93 Difference]: Finished difference Result 2952 states and 3900 transitions. [2020-07-21 15:43:23,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:43:23,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-21 15:43:23,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:23,173 INFO L225 Difference]: With dead ends: 2952 [2020-07-21 15:43:23,174 INFO L226 Difference]: Without dead ends: 1500 [2020-07-21 15:43:23,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:23,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2020-07-21 15:43:23,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1500. [2020-07-21 15:43:23,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2020-07-21 15:43:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1946 transitions. [2020-07-21 15:43:23,260 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1946 transitions. Word has length 93 [2020-07-21 15:43:23,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:23,261 INFO L479 AbstractCegarLoop]: Abstraction has 1500 states and 1946 transitions. [2020-07-21 15:43:23,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1946 transitions. [2020-07-21 15:43:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-21 15:43:23,263 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:23,264 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:23,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:23,478 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:23,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:23,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1597645717, now seen corresponding path program 1 times [2020-07-21 15:43:23,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:23,479 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661278263] [2020-07-21 15:43:23,479 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 15:43:23,692 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:23,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:23,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:43:23,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:23,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:23,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661278263] [2020-07-21 15:43:23,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:23,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:23,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075142436] [2020-07-21 15:43:23,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:23,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:23,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:23,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:23,782 INFO L87 Difference]: Start difference. First operand 1500 states and 1946 transitions. Second operand 5 states. [2020-07-21 15:43:23,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:23,849 INFO L93 Difference]: Finished difference Result 2826 states and 3754 transitions. [2020-07-21 15:43:23,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:23,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-21 15:43:23,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:23,858 INFO L225 Difference]: With dead ends: 2826 [2020-07-21 15:43:23,858 INFO L226 Difference]: Without dead ends: 1354 [2020-07-21 15:43:23,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:23,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-07-21 15:43:23,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1354. [2020-07-21 15:43:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1354 states. [2020-07-21 15:43:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1720 transitions. [2020-07-21 15:43:23,940 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1720 transitions. Word has length 93 [2020-07-21 15:43:23,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:23,943 INFO L479 AbstractCegarLoop]: Abstraction has 1354 states and 1720 transitions. [2020-07-21 15:43:23,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:23,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1720 transitions. [2020-07-21 15:43:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 15:43:23,946 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:23,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:24,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:24,163 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:24,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:24,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1394866514, now seen corresponding path program 1 times [2020-07-21 15:43:24,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:24,165 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252508247] [2020-07-21 15:43:24,165 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 15:43:24,428 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:24,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:24,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 15:43:24,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:24,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:24,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252508247] [2020-07-21 15:43:24,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:24,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 15:43:24,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390614723] [2020-07-21 15:43:24,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:24,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:24,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:24,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:24,533 INFO L87 Difference]: Start difference. First operand 1354 states and 1720 transitions. Second operand 10 states. [2020-07-21 15:43:26,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:26,014 INFO L93 Difference]: Finished difference Result 3477 states and 4881 transitions. [2020-07-21 15:43:26,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 15:43:26,016 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-07-21 15:43:26,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:26,034 INFO L225 Difference]: With dead ends: 3477 [2020-07-21 15:43:26,034 INFO L226 Difference]: Without dead ends: 2151 [2020-07-21 15:43:26,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 15:43:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2020-07-21 15:43:26,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1495. [2020-07-21 15:43:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-07-21 15:43:26,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1840 transitions. [2020-07-21 15:43:26,149 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1840 transitions. Word has length 97 [2020-07-21 15:43:26,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:26,150 INFO L479 AbstractCegarLoop]: Abstraction has 1495 states and 1840 transitions. [2020-07-21 15:43:26,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:26,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1840 transitions. [2020-07-21 15:43:26,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-21 15:43:26,155 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:26,155 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:26,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:26,370 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:26,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:26,371 INFO L82 PathProgramCache]: Analyzing trace with hash -556096008, now seen corresponding path program 1 times [2020-07-21 15:43:26,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:26,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977513132] [2020-07-21 15:43:26,372 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 15:43:26,678 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:26,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:26,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 15:43:26,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:26,740 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 15:43:26,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:26,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977513132] [2020-07-21 15:43:26,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:26,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:26,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976793254] [2020-07-21 15:43:26,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:26,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:26,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:26,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:26,743 INFO L87 Difference]: Start difference. First operand 1495 states and 1840 transitions. Second operand 3 states. [2020-07-21 15:43:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:26,837 INFO L93 Difference]: Finished difference Result 2560 states and 3144 transitions. [2020-07-21 15:43:26,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:26,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-21 15:43:26,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:26,845 INFO L225 Difference]: With dead ends: 2560 [2020-07-21 15:43:26,845 INFO L226 Difference]: Without dead ends: 1093 [2020-07-21 15:43:26,850 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:26,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-07-21 15:43:26,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1060. [2020-07-21 15:43:26,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-07-21 15:43:26,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1268 transitions. [2020-07-21 15:43:26,914 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1268 transitions. Word has length 138 [2020-07-21 15:43:26,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:26,915 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1268 transitions. [2020-07-21 15:43:26,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1268 transitions. [2020-07-21 15:43:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-21 15:43:26,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:26,918 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:27,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:27,132 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:27,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:27,133 INFO L82 PathProgramCache]: Analyzing trace with hash 773750625, now seen corresponding path program 1 times [2020-07-21 15:43:27,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:27,133 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514504580] [2020-07-21 15:43:27,133 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 15:43:27,385 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:27,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:27,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:27,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:27,453 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:27,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:43:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 15:43:27,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514504580] [2020-07-21 15:43:27,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:43:27,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 15:43:27,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201822784] [2020-07-21 15:43:27,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:27,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:27,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:27,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:27,805 INFO L87 Difference]: Start difference. First operand 1060 states and 1268 transitions. Second operand 10 states. [2020-07-21 15:43:28,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:28,782 INFO L93 Difference]: Finished difference Result 2338 states and 2819 transitions. [2020-07-21 15:43:28,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:43:28,782 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-07-21 15:43:28,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:28,784 INFO L225 Difference]: With dead ends: 2338 [2020-07-21 15:43:28,785 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:43:28,790 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 15:43:28,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:43:28,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:43:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:43:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:43:28,792 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-21 15:43:28,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:28,792 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:43:28,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:43:28,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:43:29,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:29,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:43:29,207 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2020-07-21 15:43:31,088 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-21 15:43:31,528 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-07-21 15:43:31,763 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-21 15:43:32,308 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-07-21 15:43:32,660 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-21 15:43:32,988 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-07-21 15:43:33,179 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-07-21 15:43:33,451 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-07-21 15:43:33,576 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-21 15:43:34,187 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-07-21 15:43:34,337 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-21 15:43:34,706 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-21 15:43:35,066 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-21 15:43:35,441 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-07-21 15:43:35,979 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-07-21 15:43:36,458 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2020-07-21 15:43:36,770 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2020-07-21 15:43:36,775 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-07-21 15:43:36,775 INFO L268 CegarLoopResult]: For program point L412-1(lines 412 416) no Hoare annotation was computed. [2020-07-21 15:43:36,775 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 15:43:36,775 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 427) no Hoare annotation was computed. [2020-07-21 15:43:36,776 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 381 436) no Hoare annotation was computed. [2020-07-21 15:43:36,776 INFO L268 CegarLoopResult]: For program point L428(lines 405 429) no Hoare annotation was computed. [2020-07-21 15:43:36,776 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 381 436) no Hoare annotation was computed. [2020-07-21 15:43:36,776 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 381 436) no Hoare annotation was computed. [2020-07-21 15:43:36,776 INFO L268 CegarLoopResult]: For program point L482-1(line 482) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 437 496) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point L469(lines 469 473) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 437 496) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 488) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 437 496) no Hoare annotation was computed. [2020-07-21 15:43:36,777 INFO L268 CegarLoopResult]: For program point L489(lines 462 490) no Hoare annotation was computed. [2020-07-21 15:43:36,778 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 15:43:36,778 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 873 879) the Hoare annotation is: true [2020-07-21 15:43:36,778 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-21 15:43:36,778 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-21 15:43:36,778 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 880 888) the Hoare annotation is: true [2020-07-21 15:43:36,778 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-21 15:43:36,778 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 698 705) the Hoare annotation is: true [2020-07-21 15:43:36,778 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 698 705) no Hoare annotation was computed. [2020-07-21 15:43:36,779 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 698 705) no Hoare annotation was computed. [2020-07-21 15:43:36,779 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 706 715) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse2 .cse1 (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse0 .cse2 .cse1 .cse3 .cse4))) [2020-07-21 15:43:36,779 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 706 715) no Hoare annotation was computed. [2020-07-21 15:43:36,779 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-07-21 15:43:36,779 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 706 715) no Hoare annotation was computed. [2020-07-21 15:43:36,779 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 15:43:36,779 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-21 15:43:36,780 INFO L268 CegarLoopResult]: For program point L728(lines 728 738) no Hoare annotation was computed. [2020-07-21 15:43:36,780 INFO L264 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:43:36,780 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-07-21 15:43:36,780 INFO L268 CegarLoopResult]: For program point L724(lines 724 741) no Hoare annotation was computed. [2020-07-21 15:43:36,780 INFO L268 CegarLoopResult]: For program point L724-1(lines 716 744) no Hoare annotation was computed. [2020-07-21 15:43:36,780 INFO L271 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: true [2020-07-21 15:43:36,780 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-07-21 15:43:36,781 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 716 744) the Hoare annotation is: true [2020-07-21 15:43:36,781 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 716 744) no Hoare annotation was computed. [2020-07-21 15:43:36,781 INFO L264 CegarLoopResult]: At program point L834-1(line 834) 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 15:43:36,781 INFO L268 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-07-21 15:43:36,781 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 839) no Hoare annotation was computed. [2020-07-21 15:43:36,781 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-21 15:43:36,782 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 822 844) 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 15:43:36,782 INFO L264 CegarLoopResult]: At program point L829(line 829) 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 15:43:36,782 INFO L264 CegarLoopResult]: At program point L828(line 828) 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 15:43:36,782 INFO L264 CegarLoopResult]: At program point L828-1(line 828) 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 15:43:36,782 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 822 844) no Hoare annotation was computed. [2020-07-21 15:43:36,783 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 822 844) no Hoare annotation was computed. [2020-07-21 15:43:36,783 INFO L264 CegarLoopResult]: At program point L834(line 834) 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 15:43:36,783 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 777 800) no Hoare annotation was computed. [2020-07-21 15:43:36,783 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 777 800) no Hoare annotation was computed. [2020-07-21 15:43:36,783 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 777 800) no Hoare annotation was computed. [2020-07-21 15:43:36,783 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-21 15:43:36,783 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-21 15:43:36,783 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-07-21 15:43:36,784 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 233 247) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 233 247) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 233 247) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-21 15:43:36,785 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 866 872) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 866 872) the Hoare annotation is: true [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 335 380) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 335 380) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 335 380) no Hoare annotation was computed. [2020-07-21 15:43:36,786 INFO L268 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-07-21 15:43:36,787 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 648 693) no Hoare annotation was computed. [2020-07-21 15:43:36,787 INFO L268 CegarLoopResult]: For program point L662(lines 662 682) no Hoare annotation was computed. [2020-07-21 15:43:36,787 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2020-07-21 15:43:36,787 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 648 693) no Hoare annotation was computed. [2020-07-21 15:43:36,787 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 648 693) no Hoare annotation was computed. [2020-07-21 15:43:36,787 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 808 818) 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 15:43:36,787 INFO L264 CegarLoopResult]: At program point L813(line 813) 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 15:43:36,788 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 808 818) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 808 818) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 158 168) the Hoare annotation is: true [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L271 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: true [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point L973(lines 973 979) no Hoare annotation was computed. [2020-07-21 15:43:36,788 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 969 982) no Hoare annotation was computed. [2020-07-21 15:43:36,789 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 969 982) the Hoare annotation is: true [2020-07-21 15:43:36,789 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 969 982) no Hoare annotation was computed. [2020-07-21 15:43:36,789 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:36,789 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-21 15:43:36,789 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:36,789 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-21 15:43:36,789 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-21 15:43:36,789 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-21 15:43:36,789 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:36,789 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:36,789 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-21 15:43:36,790 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:36,790 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-21 15:43:36,790 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-21 15:43:36,790 INFO L264 CegarLoopResult]: At program point L320(lines 269 321) 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 15:43:36,790 INFO L264 CegarLoopResult]: At program point testENTRY(lines 260 327) 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 15:43:36,790 INFO L268 CegarLoopResult]: For program point testFINAL(lines 260 327) no Hoare annotation was computed. [2020-07-21 15:43:36,790 INFO L264 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:43:36,790 INFO L268 CegarLoopResult]: For program point L308(lines 308 314) no Hoare annotation was computed. [2020-07-21 15:43:36,790 INFO L264 CegarLoopResult]: At program point L308-1(lines 300 315) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:36,790 INFO L268 CegarLoopResult]: For program point L271(lines 270 319) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point L300(lines 300 315) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point L290(lines 290 296) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L264 CegarLoopResult]: At program point L317(lines 270 319) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:36,791 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point testEXIT(lines 260 327) no Hoare annotation was computed. [2020-07-21 15:43:36,791 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 602 647) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 602 647) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 602 647) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L622(lines 622 629) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L616(lines 616 636) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 636) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L945(lines 945 953) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L945-2(lines 945 953) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 937 959) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L545(lines 545 586) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 499 601) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-21 15:43:36,792 INFO L268 CegarLoopResult]: For program point L587(lines 587 598) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 499 601) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L548-2(lines 548 568) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L569(lines 547 570) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 499 601) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L528(lines 528 544) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L588(lines 588 595) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L549(lines 548 568) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 856 865) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 856 865) no Hoare annotation was computed. [2020-07-21 15:43:36,793 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 856 865) no Hoare annotation was computed. [2020-07-21 15:43:36,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:36,794 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 15:43:36,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:36,794 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-21 15:43:36,794 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-21 15:43:36,794 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:36,794 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-21 15:43:36,794 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-21 15:43:36,795 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-21 15:43:36,795 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-21 15:43:36,795 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-21 15:43:36,795 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-21 15:43:36,795 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-21 15:43:36,795 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 960 968) the Hoare annotation is: true [2020-07-21 15:43:36,795 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 960 968) no Hoare annotation was computed. [2020-07-21 15:43:36,795 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 960 968) no Hoare annotation was computed. [2020-07-21 15:43:36,795 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 916 927) the Hoare annotation is: true [2020-07-21 15:43:36,795 INFO L268 CegarLoopResult]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2020-07-21 15:43:36,795 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 916 927) no Hoare annotation was computed. [2020-07-21 15:43:36,796 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:36,796 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:43:36,796 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:36,796 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 928 936) the Hoare annotation is: true [2020-07-21 15:43:36,796 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 928 936) no Hoare annotation was computed. [2020-07-21 15:43:36,796 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 928 936) no Hoare annotation was computed. [2020-07-21 15:43:36,796 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-21 15:43:36,797 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-21 15:43:36,797 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-21 15:43:36,797 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse9 (and .cse8 .cse14 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 .cse12 .cse11 .cse13 .cse5) (or .cse3 (and .cse0 .cse14 .cse2) .cse11 .cse5) (or .cse6 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse5) (or .cse12 .cse10 .cse11 .cse13 .cse5) (or .cse7 .cse3 .cse9 .cse11)))) [2020-07-21 15:43:36,797 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-21 15:43:36,797 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse2 (and .cse5 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse6) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:36,797 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-21 15:43:36,797 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse12 (and .cse11 .cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse13 (not (= 0 |old(~pumpRunning~0)|)))) (and (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse3 .cse8 .cse9 .cse4))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse10 .cse0 .cse1 (and .cse2 .cse11 .cse5) (and .cse11 .cse8 .cse9)) (or .cse12 (not (= 0 ~systemActive~0)) .cse13 .cse6) (let ((.cse14 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse14 .cse11 .cse8) .cse13 (and .cse14 .cse11 .cse5) .cse6 .cse7)) (or .cse10 .cse0 .cse12 .cse13)))) [2020-07-21 15:43:36,797 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-21 15:43:36,797 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 747 776) no Hoare annotation was computed. [2020-07-21 15:43:36,798 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 747 776) the Hoare annotation is: true [2020-07-21 15:43:36,798 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-21 15:43:36,798 INFO L271 CegarLoopResult]: At program point L761-1(lines 761 765) the Hoare annotation is: true [2020-07-21 15:43:36,798 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-21 15:43:36,798 INFO L271 CegarLoopResult]: At program point L757-2(lines 757 771) the Hoare annotation is: true [2020-07-21 15:43:36,798 INFO L271 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: true [2020-07-21 15:43:36,798 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-07-21 15:43:36,798 INFO L271 CegarLoopResult]: At program point L772(lines 747 776) the Hoare annotation is: true [2020-07-21 15:43:36,798 INFO L268 CegarLoopResult]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2020-07-21 15:43:36,799 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 892 903) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-21 15:43:36,799 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 892 903) no Hoare annotation was computed. [2020-07-21 15:43:36,799 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 801 807) no Hoare annotation was computed. [2020-07-21 15:43:36,799 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 801 807) the Hoare annotation is: true [2020-07-21 15:43:36,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:36,799 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 15:43:36,799 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:43:36,799 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:36,799 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 248 255) no Hoare annotation was computed. [2020-07-21 15:43:36,799 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 248 255) the Hoare annotation is: true [2020-07-21 15:43:36,799 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 248 255) no Hoare annotation was computed. [2020-07-21 15:43:36,799 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:36,799 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-21 15:43:36,800 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-21 15:43:36,800 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:36,800 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 904 915) no Hoare annotation was computed. [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2020-07-21 15:43:36,800 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 904 915) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-21 15:43:36,800 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 846 853) no Hoare annotation was computed. [2020-07-21 15:43:36,801 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2020-07-21 15:43:36,801 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 846 853) the Hoare annotation is: true [2020-07-21 15:43:36,801 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 846 853) no Hoare annotation was computed. [2020-07-21 15:43:36,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:43:36 BoogieIcfgContainer [2020-07-21 15:43:36,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:43:36,822 INFO L168 Benchmark]: Toolchain (without parser) took 22514.49 ms. Allocated memory was 143.7 MB in the beginning and 521.1 MB in the end (delta: 377.5 MB). Free memory was 100.8 MB in the beginning and 364.6 MB in the end (delta: -263.7 MB). Peak memory consumption was 359.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:36,823 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:43:36,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 746.88 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 170.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:36,824 INFO L168 Benchmark]: Boogie Preprocessor took 103.85 ms. Allocated memory is still 201.3 MB. Free memory was 169.8 MB in the beginning and 166.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:36,825 INFO L168 Benchmark]: RCFGBuilder took 1165.31 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 165.5 MB in the beginning and 193.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:36,826 INFO L168 Benchmark]: TraceAbstraction took 20490.39 ms. Allocated memory was 231.7 MB in the beginning and 521.1 MB in the end (delta: 289.4 MB). Free memory was 193.8 MB in the beginning and 364.6 MB in the end (delta: -170.8 MB). Peak memory consumption was 364.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:36,829 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 119.9 MB in the beginning and 119.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 746.88 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 170.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.85 ms. Allocated memory is still 201.3 MB. Free memory was 169.8 MB in the beginning and 166.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1165.31 ms. Allocated memory was 201.3 MB in the beginning and 231.7 MB in the end (delta: 30.4 MB). Free memory was 165.5 MB in the beginning and 193.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20490.39 ms. Allocated memory was 231.7 MB in the beginning and 521.1 MB in the end (delta: 289.4 MB). Free memory was 193.8 MB in the beginning and 364.6 MB in the end (delta: -170.8 MB). Peak memory consumption was 364.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: 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: 269]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2348 SDtfs, 1600 SDslu, 4128 SDs, 0 SdLazy, 2366 SolverSat, 781 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1286 GetRequests, 1216 SyntacticMatches, 7 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1500occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 838 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4138 PreInvPairs, 4327 NumberOfFragments, 2144 HoareAnnotationTreeSize, 4138 FomulaSimplifications, 10254 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 66 FomulaSimplificationsInter, 17725 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1115 NumberOfCodeBlocks, 1023 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1259 ConstructedInterpolants, 0 QuantifiedInterpolants, 243155 SizeOfPredicates, 31 NumberOfNonLiveVariables, 9207 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 128/150 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...