/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:31,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:31,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:31,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:31,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:31,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:32,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:32,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:32,003 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:32,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:32,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:32,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:32,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:32,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:32,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:32,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:32,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:32,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:32,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:32,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:32,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:32,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:32,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:32,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:32,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:32,021 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:32,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:32,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:32,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:32,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:32,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:32,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:32,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:32,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:32,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:32,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:32,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:32,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:32,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:32,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:32,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:32,031 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 [2020-07-20 16:26:32,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:32,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:32,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:32,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:32,047 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:32,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:32,047 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:32,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:32,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:32,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:32,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:32,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:32,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:32,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:32,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:32,049 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:32,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:32,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:32,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:32,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:32,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:32,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:32,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:32,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:32,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:32,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:32,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:32,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:32,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:32,052 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 -> 4 [2020-07-20 16:26:32,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:32,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:32,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:32,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:32,337 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:32,338 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-20 16:26:32,415 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffca5511/bfb591648c86425b9825c005c6072941/FLAG0d691493f [2020-07-20 16:26:32,971 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:32,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-07-20 16:26:32,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffca5511/bfb591648c86425b9825c005c6072941/FLAG0d691493f [2020-07-20 16:26:33,260 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dffca5511/bfb591648c86425b9825c005c6072941 [2020-07-20 16:26:33,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:33,272 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:33,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:33,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:33,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:33,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:33,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599fa371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33, skipping insertion in model container [2020-07-20 16:26:33,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:33,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:33,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:33,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:33,811 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:33,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:33,975 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:33,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33 WrapperNode [2020-07-20 16:26:33,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:33,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:33,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:33,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:33,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:33,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:34,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:34,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:34,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:34,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:34,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (1/1) ... [2020-07-20 16:26:34,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:34,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:34,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:34,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:34,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (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 [2020-07-20 16:26:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:34,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:34,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:34,183 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:34,184 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:34,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 16:26:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:26:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:34,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 16:26:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:26:34,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:34,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:34,188 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:34,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:34,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:34,191 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:34,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:34,193 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:26:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 16:26:34,194 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:34,195 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 16:26:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-20 16:26:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:34,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:35,409 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:35,410 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:35,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:35 BoogieIcfgContainer [2020-07-20 16:26:35,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:35,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:35,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:35,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:35,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:33" (1/3) ... [2020-07-20 16:26:35,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e0d661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:35, skipping insertion in model container [2020-07-20 16:26:35,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:33" (2/3) ... [2020-07-20 16:26:35,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e0d661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:35, skipping insertion in model container [2020-07-20 16:26:35,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:35" (3/3) ... [2020-07-20 16:26:35,430 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-07-20 16:26:35,440 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:35,450 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:35,462 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:35,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:35,487 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:35,487 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:35,488 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:35,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:35,488 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:35,488 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:35,488 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:35,513 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states. [2020-07-20 16:26:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:35,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:35,526 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] [2020-07-20 16:26:35,526 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:35,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:35,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1039510468, now seen corresponding path program 1 times [2020-07-20 16:26:35,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:35,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105382591] [2020-07-20 16:26:35,543 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:36,048 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:36,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:36,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:36,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:36,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:36,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105382591] [2020-07-20 16:26:36,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:36,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:36,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678198689] [2020-07-20 16:26:36,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:36,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:36,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:36,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:36,129 INFO L87 Difference]: Start difference. First operand 205 states. Second operand 2 states. [2020-07-20 16:26:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:36,177 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2020-07-20 16:26:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:36,178 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:36,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:36,193 INFO L225 Difference]: With dead ends: 320 [2020-07-20 16:26:36,193 INFO L226 Difference]: Without dead ends: 162 [2020-07-20 16:26:36,198 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 [2020-07-20 16:26:36,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2020-07-20 16:26:36,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2020-07-20 16:26:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-07-20 16:26:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2020-07-20 16:26:36,261 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2020-07-20 16:26:36,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:36,262 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2020-07-20 16:26:36,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2020-07-20 16:26:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:36,267 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:36,267 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] [2020-07-20 16:26:36,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:36,481 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:36,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:36,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1700142027, now seen corresponding path program 1 times [2020-07-20 16:26:36,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:36,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694722986] [2020-07-20 16:26:36,482 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:36,945 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:36,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:36,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:36,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:36,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:36,996 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694722986] [2020-07-20 16:26:36,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:36,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:36,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143471317] [2020-07-20 16:26:36,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:37,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:37,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:37,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:37,001 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 3 states. [2020-07-20 16:26:37,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:37,029 INFO L93 Difference]: Finished difference Result 263 states and 311 transitions. [2020-07-20 16:26:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:37,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:37,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:37,035 INFO L225 Difference]: With dead ends: 263 [2020-07-20 16:26:37,035 INFO L226 Difference]: Without dead ends: 153 [2020-07-20 16:26:37,039 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 [2020-07-20 16:26:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-20 16:26:37,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-20 16:26:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-20 16:26:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-20 16:26:37,072 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 60 [2020-07-20 16:26:37,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:37,072 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-20 16:26:37,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-20 16:26:37,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 16:26:37,084 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:37,085 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] [2020-07-20 16:26:37,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:37,302 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:37,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:37,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1740397712, now seen corresponding path program 1 times [2020-07-20 16:26:37,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:37,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618018068] [2020-07-20 16:26:37,303 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:37,738 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:37,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:37,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:37,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:37,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:37,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:37,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618018068] [2020-07-20 16:26:37,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:37,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:37,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586163376] [2020-07-20 16:26:37,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:37,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:37,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:37,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:37,784 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 3 states. [2020-07-20 16:26:37,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:37,824 INFO L93 Difference]: Finished difference Result 401 states and 484 transitions. [2020-07-20 16:26:37,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:37,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-20 16:26:37,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:37,829 INFO L225 Difference]: With dead ends: 401 [2020-07-20 16:26:37,830 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 16:26:37,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:37,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 16:26:37,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 272. [2020-07-20 16:26:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-20 16:26:37,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 327 transitions. [2020-07-20 16:26:37,865 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 327 transitions. Word has length 64 [2020-07-20 16:26:37,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:37,866 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 327 transitions. [2020-07-20 16:26:37,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:37,866 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 327 transitions. [2020-07-20 16:26:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:26:37,868 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:37,868 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] [2020-07-20 16:26:38,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:38,082 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:38,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:38,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1889366184, now seen corresponding path program 1 times [2020-07-20 16:26:38,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:38,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096929592] [2020-07-20 16:26:38,085 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:38,514 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:38,514 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:38,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:38,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:38,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:38,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096929592] [2020-07-20 16:26:38,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:38,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:38,572 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968874788] [2020-07-20 16:26:38,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:38,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:38,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:38,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:38,573 INFO L87 Difference]: Start difference. First operand 272 states and 327 transitions. Second operand 6 states. [2020-07-20 16:26:38,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:38,871 INFO L93 Difference]: Finished difference Result 644 states and 813 transitions. [2020-07-20 16:26:38,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:38,872 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:26:38,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:38,877 INFO L225 Difference]: With dead ends: 644 [2020-07-20 16:26:38,877 INFO L226 Difference]: Without dead ends: 400 [2020-07-20 16:26:38,879 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 [2020-07-20 16:26:38,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-07-20 16:26:38,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 390. [2020-07-20 16:26:38,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-20 16:26:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 473 transitions. [2020-07-20 16:26:38,914 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 473 transitions. Word has length 70 [2020-07-20 16:26:38,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:38,915 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 473 transitions. [2020-07-20 16:26:38,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 473 transitions. [2020-07-20 16:26:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 16:26:38,917 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:38,917 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] [2020-07-20 16:26:39,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:39,131 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:39,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:39,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1315837753, now seen corresponding path program 1 times [2020-07-20 16:26:39,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:39,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1604803346] [2020-07-20 16:26:39,132 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:39,594 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:39,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:39,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:39,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:39,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:39,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:39,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1604803346] [2020-07-20 16:26:39,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:39,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:39,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379962328] [2020-07-20 16:26:39,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:39,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:39,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:39,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:39,645 INFO L87 Difference]: Start difference. First operand 390 states and 473 transitions. Second operand 6 states. [2020-07-20 16:26:39,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:39,698 INFO L93 Difference]: Finished difference Result 762 states and 946 transitions. [2020-07-20 16:26:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:39,699 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-20 16:26:39,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:39,702 INFO L225 Difference]: With dead ends: 762 [2020-07-20 16:26:39,703 INFO L226 Difference]: Without dead ends: 400 [2020-07-20 16:26:39,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:39,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2020-07-20 16:26:39,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2020-07-20 16:26:39,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-07-20 16:26:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 483 transitions. [2020-07-20 16:26:39,735 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 483 transitions. Word has length 97 [2020-07-20 16:26:39,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:39,736 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 483 transitions. [2020-07-20 16:26:39,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:39,736 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 483 transitions. [2020-07-20 16:26:39,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 16:26:39,738 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:39,738 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] [2020-07-20 16:26:39,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:39,954 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:39,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:39,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1243451195, now seen corresponding path program 1 times [2020-07-20 16:26:39,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:39,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576287392] [2020-07-20 16:26:39,956 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:40,120 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:40,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:40,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:40,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:40,157 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:40,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576287392] [2020-07-20 16:26:40,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:40,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:40,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123518498] [2020-07-20 16:26:40,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:40,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:40,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:40,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:40,160 INFO L87 Difference]: Start difference. First operand 400 states and 483 transitions. Second operand 5 states. [2020-07-20 16:26:40,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:40,193 INFO L93 Difference]: Finished difference Result 786 states and 988 transitions. [2020-07-20 16:26:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:40,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-07-20 16:26:40,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:40,197 INFO L225 Difference]: With dead ends: 786 [2020-07-20 16:26:40,198 INFO L226 Difference]: Without dead ends: 414 [2020-07-20 16:26:40,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:40,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2020-07-20 16:26:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2020-07-20 16:26:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2020-07-20 16:26:40,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 491 transitions. [2020-07-20 16:26:40,227 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 491 transitions. Word has length 97 [2020-07-20 16:26:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:40,228 INFO L479 AbstractCegarLoop]: Abstraction has 408 states and 491 transitions. [2020-07-20 16:26:40,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 491 transitions. [2020-07-20 16:26:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 16:26:40,230 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:40,230 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] [2020-07-20 16:26:40,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:40,444 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:40,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1573216956, now seen corresponding path program 1 times [2020-07-20 16:26:40,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:40,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070744231] [2020-07-20 16:26:40,446 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:40,802 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:40,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:40,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:40,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:40,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:40,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070744231] [2020-07-20 16:26:40,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:40,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:40,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163958222] [2020-07-20 16:26:40,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:40,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:40,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:40,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:40,871 INFO L87 Difference]: Start difference. First operand 408 states and 491 transitions. Second operand 3 states. [2020-07-20 16:26:40,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:40,919 INFO L93 Difference]: Finished difference Result 1126 states and 1437 transitions. [2020-07-20 16:26:40,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:40,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-07-20 16:26:40,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:40,925 INFO L225 Difference]: With dead ends: 1126 [2020-07-20 16:26:40,925 INFO L226 Difference]: Without dead ends: 746 [2020-07-20 16:26:40,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:40,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2020-07-20 16:26:40,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 743. [2020-07-20 16:26:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-07-20 16:26:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 920 transitions. [2020-07-20 16:26:40,970 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 920 transitions. Word has length 97 [2020-07-20 16:26:40,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:40,970 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 920 transitions. [2020-07-20 16:26:40,971 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 920 transitions. [2020-07-20 16:26:40,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-20 16:26:40,973 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:40,973 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, 1, 1, 1, 1] [2020-07-20 16:26:41,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:41,188 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:41,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:41,189 INFO L82 PathProgramCache]: Analyzing trace with hash 164101122, now seen corresponding path program 1 times [2020-07-20 16:26:41,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:41,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56621536] [2020-07-20 16:26:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:41,542 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:41,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:41,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:41,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:41,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:41,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56621536] [2020-07-20 16:26:41,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:41,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:41,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30268835] [2020-07-20 16:26:41,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:41,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:41,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:41,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:41,659 INFO L87 Difference]: Start difference. First operand 743 states and 920 transitions. Second operand 10 states. [2020-07-20 16:26:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:43,401 INFO L93 Difference]: Finished difference Result 2142 states and 2975 transitions. [2020-07-20 16:26:43,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:26:43,402 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2020-07-20 16:26:43,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:43,413 INFO L225 Difference]: With dead ends: 2142 [2020-07-20 16:26:43,414 INFO L226 Difference]: Without dead ends: 1427 [2020-07-20 16:26:43,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 16:26:43,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2020-07-20 16:26:43,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1064. [2020-07-20 16:26:43,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1064 states. [2020-07-20 16:26:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1319 transitions. [2020-07-20 16:26:43,496 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1319 transitions. Word has length 101 [2020-07-20 16:26:43,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:43,496 INFO L479 AbstractCegarLoop]: Abstraction has 1064 states and 1319 transitions. [2020-07-20 16:26:43,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1319 transitions. [2020-07-20 16:26:43,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 16:26:43,500 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:43,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:43,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:43,714 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:43,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:43,715 INFO L82 PathProgramCache]: Analyzing trace with hash 593895307, now seen corresponding path program 1 times [2020-07-20 16:26:43,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:43,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940221799] [2020-07-20 16:26:43,716 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:44,057 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:44,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:44,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:26:44,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:44,097 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:44,098 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:44,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940221799] [2020-07-20 16:26:44,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:44,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:44,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762338921] [2020-07-20 16:26:44,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:44,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:44,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:44,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:44,100 INFO L87 Difference]: Start difference. First operand 1064 states and 1319 transitions. Second operand 3 states. [2020-07-20 16:26:44,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:44,187 INFO L93 Difference]: Finished difference Result 1274 states and 1576 transitions. [2020-07-20 16:26:44,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:44,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-07-20 16:26:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:44,193 INFO L225 Difference]: With dead ends: 1274 [2020-07-20 16:26:44,193 INFO L226 Difference]: Without dead ends: 514 [2020-07-20 16:26:44,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:44,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-07-20 16:26:44,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 514. [2020-07-20 16:26:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-07-20 16:26:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 618 transitions. [2020-07-20 16:26:44,239 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 618 transitions. Word has length 142 [2020-07-20 16:26:44,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:44,242 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 618 transitions. [2020-07-20 16:26:44,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 618 transitions. [2020-07-20 16:26:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-20 16:26:44,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:44,245 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:44,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:44,460 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:44,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:44,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1947078735, now seen corresponding path program 1 times [2020-07-20 16:26:44,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:44,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273951841] [2020-07-20 16:26:44,462 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:44,842 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:44,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:44,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:26:44,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:44,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:44,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273951841] [2020-07-20 16:26:44,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:44,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-20 16:26:44,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959463593] [2020-07-20 16:26:44,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 16:26:44,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:44,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 16:26:44,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-20 16:26:44,957 INFO L87 Difference]: Start difference. First operand 514 states and 618 transitions. Second operand 9 states. [2020-07-20 16:26:46,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:46,495 INFO L93 Difference]: Finished difference Result 1398 states and 1788 transitions. [2020-07-20 16:26:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 16:26:46,495 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 178 [2020-07-20 16:26:46,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:46,505 INFO L225 Difference]: With dead ends: 1398 [2020-07-20 16:26:46,506 INFO L226 Difference]: Without dead ends: 912 [2020-07-20 16:26:46,508 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-07-20 16:26:46,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-07-20 16:26:46,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 738. [2020-07-20 16:26:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2020-07-20 16:26:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 881 transitions. [2020-07-20 16:26:46,571 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 881 transitions. Word has length 178 [2020-07-20 16:26:46,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:46,572 INFO L479 AbstractCegarLoop]: Abstraction has 738 states and 881 transitions. [2020-07-20 16:26:46,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 16:26:46,572 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 881 transitions. [2020-07-20 16:26:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-20 16:26:46,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:46,576 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:46,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:46,792 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:46,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:46,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1103073233, now seen corresponding path program 1 times [2020-07-20 16:26:46,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:46,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975336469] [2020-07-20 16:26:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 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 [2020-07-20 16:26:47,175 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:47,175 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:47,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:47,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:47,285 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:47,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 16:26:47,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975336469] [2020-07-20 16:26:47,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:47,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:47,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806226914] [2020-07-20 16:26:47,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:47,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:47,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:47,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:47,719 INFO L87 Difference]: Start difference. First operand 738 states and 881 transitions. Second operand 10 states. [2020-07-20 16:26:48,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:48,482 INFO L93 Difference]: Finished difference Result 1577 states and 1910 transitions. [2020-07-20 16:26:48,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:48,483 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-07-20 16:26:48,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:48,487 INFO L225 Difference]: With dead ends: 1577 [2020-07-20 16:26:48,487 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:48,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:48,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:48,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:48,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-07-20 16:26:48,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:48,494 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:48,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:48,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:48,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:48,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:48,998 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2020-07-20 16:26:50,349 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-07-20 16:26:50,649 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 16:26:50,866 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 16:26:51,429 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 52 [2020-07-20 16:26:52,198 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 49 [2020-07-20 16:26:52,713 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2020-07-20 16:26:52,837 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 25 [2020-07-20 16:26:53,056 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 27 [2020-07-20 16:26:53,318 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 32 [2020-07-20 16:26:53,734 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 39 [2020-07-20 16:26:54,458 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 44 [2020-07-20 16:26:54,653 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 22 [2020-07-20 16:26:54,888 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-07-20 16:26:55,033 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-07-20 16:26:55,626 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:26:55,626 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 16:26:55,626 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 16:26:55,626 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 16:26:55,626 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:26:55,626 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 16:26:55,627 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:26:55,628 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 16:26:55,628 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 16:26:55,628 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 16:26:55,628 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2020-07-20 16:26:55,628 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-20 16:26:55,628 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2020-07-20 16:26:55,628 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2020-07-20 16:26:55,629 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2020-07-20 16:26:55,629 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) the Hoare annotation is: true [2020-07-20 16:26:55,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2020-07-20 16:26:55,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2020-07-20 16:26:55,629 INFO L268 CegarLoopResult]: For program point L993(line 993) no Hoare annotation was computed. [2020-07-20 16:26:55,629 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:26:55,629 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2020-07-20 16:26:55,630 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2020-07-20 16:26:55,630 INFO L264 CegarLoopResult]: At program point L1013(line 1013) 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))) [2020-07-20 16:26:55,630 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-20 16:26:55,630 INFO L268 CegarLoopResult]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2020-07-20 16:26:55,630 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2020-07-20 16:26:55,630 INFO L264 CegarLoopResult]: At program point L1008(line 1008) 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))))) [2020-07-20 16:26:55,631 INFO L268 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2020-07-20 16:26:55,631 INFO L268 CegarLoopResult]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2020-07-20 16:26:55,631 INFO L268 CegarLoopResult]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2020-07-20 16:26:55,631 INFO L271 CegarLoopResult]: At program point L1004(line 1004) the Hoare annotation is: true [2020-07-20 16:26:55,631 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2020-07-20 16:26:55,631 INFO L268 CegarLoopResult]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2020-07-20 16:26:55,631 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) 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)|))) [2020-07-20 16:26:55,632 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 16:26:55,632 INFO L264 CegarLoopResult]: At program point L500(line 500) 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)|))) [2020-07-20 16:26:55,632 INFO L264 CegarLoopResult]: At program point L500-1(line 500) 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)|))) [2020-07-20 16:26:55,632 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-20 16:26:55,632 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-20 16:26:55,632 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 16:26:55,632 INFO L264 CegarLoopResult]: At program point L495(line 495) 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)|))) [2020-07-20 16:26:55,633 INFO L264 CegarLoopResult]: At program point L494(line 494) 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)|))) [2020-07-20 16:26:55,633 INFO L264 CegarLoopResult]: At program point L494-1(line 494) 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)|))) [2020-07-20 16:26:55,633 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 16:26:55,633 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 16:26:55,633 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-20 16:26:55,633 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-20 16:26:55,633 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-20 16:26:55,633 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 16:26:55,634 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 16:26:55,635 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-20 16:26:55,635 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-20 16:26:55,635 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2020-07-20 16:26:55,635 INFO L264 CegarLoopResult]: At program point L969(line 969) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 16:26:55,635 INFO L268 CegarLoopResult]: For program point L967(lines 967 973) no Hoare annotation was computed. [2020-07-20 16:26:55,635 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-20 16:26:55,635 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2020-07-20 16:26:55,635 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-20 16:26:55,636 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2020-07-20 16:26:55,636 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-20 16:26:55,636 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2020-07-20 16:26:55,636 INFO L268 CegarLoopResult]: For program point L953(lines 953 957) no Hoare annotation was computed. [2020-07-20 16:26:55,636 INFO L271 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: true [2020-07-20 16:26:55,636 INFO L268 CegarLoopResult]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2020-07-20 16:26:55,636 INFO L268 CegarLoopResult]: For program point L951-1(line 951) no Hoare annotation was computed. [2020-07-20 16:26:55,636 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point L896(lines 896 904) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point L919-1(line 919) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 889 924) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point L908(lines 908 916) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point L908-2(lines 908 916) no Hoare annotation was computed. [2020-07-20 16:26:55,637 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 889 924) no Hoare annotation was computed. [2020-07-20 16:26:55,638 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 889 924) no Hoare annotation was computed. [2020-07-20 16:26:55,638 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2020-07-20 16:26:55,638 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2020-07-20 16:26:55,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:26:55,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:26:55,638 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 16:26:55,638 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 16:26:55,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:26:55,639 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:26:55,639 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 16:26:55,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:26:55,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 16:26:55,639 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 474 484) 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)|))) [2020-07-20 16:26:55,639 INFO L264 CegarLoopResult]: At program point L479(line 479) 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)|))) [2020-07-20 16:26:55,639 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2020-07-20 16:26:55,639 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2020-07-20 16:26:55,640 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2020-07-20 16:26:55,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2020-07-20 16:26:55,640 INFO L271 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-07-20 16:26:55,640 INFO L268 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-07-20 16:26:55,640 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2020-07-20 16:26:55,640 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-20 16:26:55,640 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2020-07-20 16:26:55,640 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2020-07-20 16:26:55,641 INFO L268 CegarLoopResult]: For program point L713(lines 713 719) no Hoare annotation was computed. [2020-07-20 16:26:55,641 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2020-07-20 16:26:55,641 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2020-07-20 16:26:55,641 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2020-07-20 16:26:55,641 INFO L268 CegarLoopResult]: For program point L834-1(line 834) no Hoare annotation was computed. [2020-07-20 16:26:55,641 INFO L268 CegarLoopResult]: For program point L832(lines 832 849) no Hoare annotation was computed. [2020-07-20 16:26:55,641 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2020-07-20 16:26:55,641 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 828 852) 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)))) [2020-07-20 16:26:55,642 INFO L264 CegarLoopResult]: At program point L847(line 847) 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)))) [2020-07-20 16:26:55,642 INFO L268 CegarLoopResult]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2020-07-20 16:26:55,642 INFO L264 CegarLoopResult]: At program point L842(line 842) 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)|))))) [2020-07-20 16:26:55,642 INFO L264 CegarLoopResult]: At program point L838(line 838) 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)|))))) [2020-07-20 16:26:55,642 INFO L268 CegarLoopResult]: For program point L836(lines 836 844) no Hoare annotation was computed. [2020-07-20 16:26:55,642 INFO L264 CegarLoopResult]: At program point L834(line 834) 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)|))))) [2020-07-20 16:26:55,642 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2020-07-20 16:26:55,643 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2020-07-20 16:26:55,643 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) 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)|))) [2020-07-20 16:26:55,643 INFO L264 CegarLoopResult]: At program point L605(line 605) 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)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-20 16:26:55,643 INFO L268 CegarLoopResult]: For program point L603(lines 603 609) no Hoare annotation was computed. [2020-07-20 16:26:55,643 INFO L264 CegarLoopResult]: At program point L603-1(lines 597 610) 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)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:55,643 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-20 16:26:55,643 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-20 16:26:55,644 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-20 16:26:55,644 INFO L264 CegarLoopResult]: At program point L589(line 589) 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)|)) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:55,644 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-20 16:26:55,644 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-20 16:26:55,644 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:55,644 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:55,644 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) 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)|))) [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 16:26:55,645 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point L685(lines 685 693) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point L685-2(lines 685 693) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 677 699) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 677 699) no Hoare annotation was computed. [2020-07-20 16:26:55,646 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 677 699) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 16:26:55,647 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 513 522) no Hoare annotation was computed. [2020-07-20 16:26:55,648 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 513 522) no Hoare annotation was computed. [2020-07-20 16:26:55,649 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 513 522) no Hoare annotation was computed. [2020-07-20 16:26:55,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:55,649 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)) [2020-07-20 16:26:55,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:55,649 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2020-07-20 16:26:55,649 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2020-07-20 16:26:55,649 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 853 860) 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))) [2020-07-20 16:26:55,649 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2020-07-20 16:26:55,650 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2020-07-20 16:26:55,650 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2020-07-20 16:26:55,650 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2020-07-20 16:26:55,650 INFO L268 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-07-20 16:26:55,650 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2020-07-20 16:26:55,650 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2020-07-20 16:26:55,650 INFO L271 CegarLoopResult]: At program point L932(line 932) the Hoare annotation is: true [2020-07-20 16:26:55,650 INFO L268 CegarLoopResult]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2020-07-20 16:26:55,651 INFO L268 CegarLoopResult]: For program point L932-1(line 932) no Hoare annotation was computed. [2020-07-20 16:26:55,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:55,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:55,651 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:55,651 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: true [2020-07-20 16:26:55,651 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2020-07-20 16:26:55,651 INFO L268 CegarLoopResult]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2020-07-20 16:26:55,651 INFO L264 CegarLoopResult]: At program point L757(line 757) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (not (= 0 ~systemActive~0)) .cse2 .cse3) (or .cse0 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse4 .cse3 (not (<= 2 |old(~waterLevel~0)|)) (and .cse5 .cse6 (<= ~waterLevel~0 1) .cse7)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse4 (and .cse5 .cse1 .cse6 .cse7) .cse3))) [2020-07-20 16:26:55,652 INFO L264 CegarLoopResult]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse13 (<= 2 ~waterLevel~0)) (.cse12 (<= 1 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (let ((.cse9 (<= ~waterLevel~0 1))) (or .cse5 .cse6 .cse2 .cse7 (and (<= 1 ~waterLevel~0) .cse4 .cse8 .cse9) (and .cse10 .cse11 .cse9 .cse12))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse6 (and .cse10 .cse3 .cse11 .cse12) .cse2 (and .cse3 .cse11 .cse4 .cse8)) (or .cse13 .cse0 .cse1 .cse2 .cse7) (or .cse5 (and .cse13 .cse3 .cse4) .cse1 (and .cse13 .cse3 .cse12) .cse2 .cse7) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 (and .cse3 .cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2020-07-20 16:26:55,652 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse12 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse6 (not (<= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse3 .cse1) (or (and .cse7 .cse8 .cse9) .cse6 .cse10 .cse2 .cse11) (or .cse12 .cse5 .cse6 .cse10 (and .cse3 .cse8 .cse9)) (or .cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse6 (and .cse7 .cse4 .cse9) .cse1 .cse2) (or (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse11) (or .cse12 .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse10 .cse2))) [2020-07-20 16:26:55,652 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse5 .cse6)) (or (and .cse4 (<= ~waterLevel~0 2) .cse6 .cse5) .cse2 .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:55,652 INFO L268 CegarLoopResult]: For program point L748(lines 744 766) no Hoare annotation was computed. [2020-07-20 16:26:55,653 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2020-07-20 16:26:55,653 INFO L268 CegarLoopResult]: For program point L746(lines 744 766) no Hoare annotation was computed. [2020-07-20 16:26:55,653 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2020-07-20 16:26:55,653 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-20 16:26:55,653 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-20 16:26:55,653 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-20 16:26:55,653 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-20 16:26:55,653 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-20 16:26:55,654 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-20 16:26:55,654 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 16:26:55,654 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-20 16:26:55,654 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-20 16:26:55,654 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 16:26:55,654 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2020-07-20 16:26:55,654 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2020-07-20 16:26:55,654 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2020-07-20 16:26:55,654 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 632 643) 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))) [2020-07-20 16:26:55,655 INFO L268 CegarLoopResult]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2020-07-20 16:26:55,655 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2020-07-20 16:26:55,655 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-20 16:26:55,655 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-20 16:26:55,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:55,655 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)) [2020-07-20 16:26:55,655 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:55,655 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:55,655 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) 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)))) [2020-07-20 16:26:55,656 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2020-07-20 16:26:55,656 INFO L264 CegarLoopResult]: At program point L795(line 795) 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)|))))) [2020-07-20 16:26:55,656 INFO L268 CegarLoopResult]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2020-07-20 16:26:55,656 INFO L264 CegarLoopResult]: At program point L790(line 790) 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)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))))) [2020-07-20 16:26:55,656 INFO L264 CegarLoopResult]: At program point L786(line 786) 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)|))))) [2020-07-20 16:26:55,656 INFO L268 CegarLoopResult]: For program point L784(lines 784 792) no Hoare annotation was computed. [2020-07-20 16:26:55,656 INFO L264 CegarLoopResult]: At program point L782(line 782) 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)))) [2020-07-20 16:26:55,657 INFO L268 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2020-07-20 16:26:55,657 INFO L268 CegarLoopResult]: For program point L780(lines 780 797) no Hoare annotation was computed. [2020-07-20 16:26:55,657 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2020-07-20 16:26:55,657 INFO L268 CegarLoopResult]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2020-07-20 16:26:55,657 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse8 .cse10)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (and (<= ~waterLevel~0 2) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or (<= 2 ~waterLevel~0) .cse4 .cse5 .cse2 .cse6) (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7 .cse3) (or .cse8 .cse4 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse9) (or .cse1 .cse5 .cse7 .cse6 .cse9)))) [2020-07-20 16:26:55,657 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2020-07-20 16:26:55,657 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2020-07-20 16:26:55,657 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2020-07-20 16:26:55,658 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2020-07-20 16:26:55,658 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2020-07-20 16:26:55,658 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) 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)))) [2020-07-20 16:26:55,658 INFO L264 CegarLoopResult]: At program point L821(line 821) 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)))) [2020-07-20 16:26:55,658 INFO L268 CegarLoopResult]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2020-07-20 16:26:55,658 INFO L264 CegarLoopResult]: At program point L816(line 816) 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)|))))) [2020-07-20 16:26:55,658 INFO L264 CegarLoopResult]: At program point L812(line 812) 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)|))))) [2020-07-20 16:26:55,659 INFO L268 CegarLoopResult]: For program point L810(lines 810 818) no Hoare annotation was computed. [2020-07-20 16:26:55,659 INFO L264 CegarLoopResult]: At program point L808(line 808) 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)|))))) [2020-07-20 16:26:55,659 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-20 16:26:55,659 INFO L268 CegarLoopResult]: For program point L806(lines 806 823) no Hoare annotation was computed. [2020-07-20 16:26:55,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:55 BoogieIcfgContainer [2020-07-20 16:26:55,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:55,679 INFO L168 Benchmark]: Toolchain (without parser) took 22408.10 ms. Allocated memory was 141.0 MB in the beginning and 467.7 MB in the end (delta: 326.6 MB). Free memory was 99.6 MB in the beginning and 272.0 MB in the end (delta: -172.4 MB). Peak memory consumption was 346.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:55,680 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:55,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.42 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 99.2 MB in the beginning and 168.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:55,681 INFO L168 Benchmark]: Boogie Preprocessor took 120.03 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:55,684 INFO L168 Benchmark]: RCFGBuilder took 1321.54 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 164.0 MB in the beginning and 189.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:55,685 INFO L168 Benchmark]: TraceAbstraction took 20255.34 ms. Allocated memory was 230.2 MB in the beginning and 467.7 MB in the end (delta: 237.5 MB). Free memory was 189.1 MB in the beginning and 272.0 MB in the end (delta: -82.9 MB). Peak memory consumption was 346.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:55,689 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 141.0 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.42 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 99.2 MB in the beginning and 168.3 MB in the end (delta: -69.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 120.03 ms. Allocated memory is still 201.3 MB. Free memory was 168.3 MB in the beginning and 164.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1321.54 ms. Allocated memory was 201.3 MB in the beginning and 230.2 MB in the end (delta: 28.8 MB). Free memory was 164.0 MB in the beginning and 189.1 MB in the end (delta: -25.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20255.34 ms. Allocated memory was 230.2 MB in the beginning and 467.7 MB in the end (delta: 237.5 MB). Free memory was 189.1 MB in the beginning and 272.0 MB in the end (delta: -82.9 MB). Peak memory consumption was 346.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 261 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2331 SDtfs, 1680 SDslu, 3812 SDs, 0 SdLazy, 2746 SolverSat, 801 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1344 GetRequests, 1271 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1064occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 560 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2272 PreInvPairs, 2411 NumberOfFragments, 2206 HoareAnnotationTreeSize, 2272 FomulaSimplifications, 5382 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 13653 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1143 NumberOfCodeBlocks, 943 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1309 ConstructedInterpolants, 0 QuantifiedInterpolants, 309933 SizeOfPredicates, 28 NumberOfNonLiveVariables, 8423 ConjunctsInSsa, 96 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 169/195 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...