java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:36,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:36,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:36,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:36,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:36,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:36,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:36,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:36,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:36,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:36,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:36,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:36,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:36,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:36,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:36,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:36,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:36,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:36,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:36,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:36,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:36,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:36,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:36,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:36,055 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:36,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:36,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:36,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:36,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:36,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:36,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:36,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:36,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:36,061 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:36,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:36,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:36,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:36,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:36,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:36,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:36,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:36,067 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 [2019-10-13 21:22:36,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:36,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:36,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:36,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:36,086 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:36,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:36,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:36,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:36,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:36,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:36,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:36,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:36,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:36,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:36,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:36,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:36,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:36,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:36,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:36,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:36,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:36,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:36,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:36,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:36,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:36,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:36,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:36,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:36,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:36,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:36,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:36,395 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:36,397 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:36,397 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:36,398 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2019-10-13 21:22:36,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8be10ba/bbe10ac3ba5a4b91990f157e60f88fe5/FLAG664d4f5bf [2019-10-13 21:22:37,000 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:37,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2019-10-13 21:22:37,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8be10ba/bbe10ac3ba5a4b91990f157e60f88fe5/FLAG664d4f5bf [2019-10-13 21:22:37,298 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc8be10ba/bbe10ac3ba5a4b91990f157e60f88fe5 [2019-10-13 21:22:37,308 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:37,309 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:37,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:37,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:37,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:37,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e20f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:37, skipping insertion in model container [2019-10-13 21:22:37,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:37" (1/1) ... [2019-10-13 21:22:37,323 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:37,381 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:37,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:37,876 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:37,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:38,026 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:38,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38 WrapperNode [2019-10-13 21:22:38,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:38,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:38,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:38,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:38,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (1/1) ... [2019-10-13 21:22:38,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (1/1) ... [2019-10-13 21:22:38,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (1/1) ... [2019-10-13 21:22:38,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (1/1) ... [2019-10-13 21:22:38,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (1/1) ... [2019-10-13 21:22:38,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (1/1) ... [2019-10-13 21:22:38,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (1/1) ... [2019-10-13 21:22:38,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:38,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:38,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:38,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:38,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (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 [2019-10-13 21:22:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:38,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:38,185 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:38,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:38,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:38,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:38,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:38,192 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:38,193 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:38,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:38,198 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:38,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:38,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:39,379 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:39,379 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:39,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:39 BoogieIcfgContainer [2019-10-13 21:22:39,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:39,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:39,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:39,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:39,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:37" (1/3) ... [2019-10-13 21:22:39,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dbcabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:39, skipping insertion in model container [2019-10-13 21:22:39,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:38" (2/3) ... [2019-10-13 21:22:39,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11dbcabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:39, skipping insertion in model container [2019-10-13 21:22:39,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:39" (3/3) ... [2019-10-13 21:22:39,392 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2019-10-13 21:22:39,402 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:39,412 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:39,425 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:39,461 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:39,461 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:39,462 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:39,462 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:39,462 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:39,462 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:39,463 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:39,463 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-10-13 21:22:39,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:39,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:39,510 INFO L380 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] [2019-10-13 21:22:39,513 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:39,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:39,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1424451371, now seen corresponding path program 1 times [2019-10-13 21:22:39,531 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:39,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136020797] [2019-10-13 21:22:39,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:39,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:39,906 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136020797] [2019-10-13 21:22:39,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:39,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:39,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468953815] [2019-10-13 21:22:39,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:39,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:39,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:39,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:39,940 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-10-13 21:22:40,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:40,026 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2019-10-13 21:22:40,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:40,029 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:40,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:40,059 INFO L225 Difference]: With dead ends: 252 [2019-10-13 21:22:40,059 INFO L226 Difference]: Without dead ends: 128 [2019-10-13 21:22:40,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:40,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-10-13 21:22:40,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-10-13 21:22:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-13 21:22:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2019-10-13 21:22:40,162 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2019-10-13 21:22:40,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:40,163 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2019-10-13 21:22:40,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:40,164 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2019-10-13 21:22:40,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:40,176 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:40,177 INFO L380 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] [2019-10-13 21:22:40,177 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:40,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:40,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1343962066, now seen corresponding path program 1 times [2019-10-13 21:22:40,179 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:40,179 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95670769] [2019-10-13 21:22:40,179 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:40,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:40,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95670769] [2019-10-13 21:22:40,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:40,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:40,364 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736112567] [2019-10-13 21:22:40,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:40,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:40,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:40,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:40,368 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2019-10-13 21:22:40,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:40,414 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2019-10-13 21:22:40,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:40,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:40,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:40,419 INFO L225 Difference]: With dead ends: 188 [2019-10-13 21:22:40,419 INFO L226 Difference]: Without dead ends: 119 [2019-10-13 21:22:40,421 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:40,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-13 21:22:40,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-13 21:22:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-13 21:22:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2019-10-13 21:22:40,434 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2019-10-13 21:22:40,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:40,434 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2019-10-13 21:22:40,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:40,434 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2019-10-13 21:22:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:40,437 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:40,437 INFO L380 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] [2019-10-13 21:22:40,437 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:40,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:40,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1988567769, now seen corresponding path program 1 times [2019-10-13 21:22:40,438 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:40,438 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862727134] [2019-10-13 21:22:40,438 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:40,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:40,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:40,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862727134] [2019-10-13 21:22:40,654 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:40,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:40,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507614529] [2019-10-13 21:22:40,656 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:40,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:40,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:40,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:40,657 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 7 states. [2019-10-13 21:22:41,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,171 INFO L93 Difference]: Finished difference Result 357 states and 431 transitions. [2019-10-13 21:22:41,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:41,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:41,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,175 INFO L225 Difference]: With dead ends: 357 [2019-10-13 21:22:41,175 INFO L226 Difference]: Without dead ends: 266 [2019-10-13 21:22:41,177 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:41,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-10-13 21:22:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 242. [2019-10-13 21:22:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-10-13 21:22:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 290 transitions. [2019-10-13 21:22:41,211 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 290 transitions. Word has length 65 [2019-10-13 21:22:41,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,212 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 290 transitions. [2019-10-13 21:22:41,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 290 transitions. [2019-10-13 21:22:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:41,214 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,214 INFO L380 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] [2019-10-13 21:22:41,214 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,215 INFO L82 PathProgramCache]: Analyzing trace with hash 827482166, now seen corresponding path program 1 times [2019-10-13 21:22:41,215 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825829386] [2019-10-13 21:22:41,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,216 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:41,391 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825829386] [2019-10-13 21:22:41,391 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,392 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:41,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293861803] [2019-10-13 21:22:41,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:41,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:41,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:41,395 INFO L87 Difference]: Start difference. First operand 242 states and 290 transitions. Second operand 6 states. [2019-10-13 21:22:41,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:41,657 INFO L93 Difference]: Finished difference Result 567 states and 704 transitions. [2019-10-13 21:22:41,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:41,657 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2019-10-13 21:22:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:41,664 INFO L225 Difference]: With dead ends: 567 [2019-10-13 21:22:41,665 INFO L226 Difference]: Without dead ends: 353 [2019-10-13 21:22:41,673 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:41,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-13 21:22:41,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 343. [2019-10-13 21:22:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-13 21:22:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 411 transitions. [2019-10-13 21:22:41,735 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 411 transitions. Word has length 70 [2019-10-13 21:22:41,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:41,735 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 411 transitions. [2019-10-13 21:22:41,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 411 transitions. [2019-10-13 21:22:41,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:22:41,737 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:41,738 INFO L380 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] [2019-10-13 21:22:41,738 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:41,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:41,738 INFO L82 PathProgramCache]: Analyzing trace with hash 361073596, now seen corresponding path program 1 times [2019-10-13 21:22:41,739 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:41,739 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264411106] [2019-10-13 21:22:41,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,739 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:41,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:41,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264411106] [2019-10-13 21:22:41,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:41,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:41,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870783784] [2019-10-13 21:22:41,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:41,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:41,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:41,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:41,862 INFO L87 Difference]: Start difference. First operand 343 states and 411 transitions. Second operand 4 states. [2019-10-13 21:22:42,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,200 INFO L93 Difference]: Finished difference Result 1260 states and 1602 transitions. [2019-10-13 21:22:42,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:42,201 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-10-13 21:22:42,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,213 INFO L225 Difference]: With dead ends: 1260 [2019-10-13 21:22:42,214 INFO L226 Difference]: Without dead ends: 945 [2019-10-13 21:22:42,217 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2019-10-13 21:22:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 925. [2019-10-13 21:22:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 925 states. [2019-10-13 21:22:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1146 transitions. [2019-10-13 21:22:42,318 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1146 transitions. Word has length 88 [2019-10-13 21:22:42,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,320 INFO L462 AbstractCegarLoop]: Abstraction has 925 states and 1146 transitions. [2019-10-13 21:22:42,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1146 transitions. [2019-10-13 21:22:42,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:22:42,326 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,327 INFO L380 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] [2019-10-13 21:22:42,327 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1750216773, now seen corresponding path program 1 times [2019-10-13 21:22:42,328 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,328 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511583313] [2019-10-13 21:22:42,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,328 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,328 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,460 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511583313] [2019-10-13 21:22:42,461 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,462 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:42,463 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829636805] [2019-10-13 21:22:42,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:42,464 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:42,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:42,465 INFO L87 Difference]: Start difference. First operand 925 states and 1146 transitions. Second operand 6 states. [2019-10-13 21:22:42,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,549 INFO L93 Difference]: Finished difference Result 1852 states and 2340 transitions. [2019-10-13 21:22:42,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:42,550 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-13 21:22:42,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,558 INFO L225 Difference]: With dead ends: 1852 [2019-10-13 21:22:42,558 INFO L226 Difference]: Without dead ends: 955 [2019-10-13 21:22:42,562 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:42,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2019-10-13 21:22:42,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 955. [2019-10-13 21:22:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2019-10-13 21:22:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1178 transitions. [2019-10-13 21:22:42,632 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1178 transitions. Word has length 88 [2019-10-13 21:22:42,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,632 INFO L462 AbstractCegarLoop]: Abstraction has 955 states and 1178 transitions. [2019-10-13 21:22:42,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1178 transitions. [2019-10-13 21:22:42,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:22:42,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,637 INFO L380 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] [2019-10-13 21:22:42,637 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,638 INFO L82 PathProgramCache]: Analyzing trace with hash -364013379, now seen corresponding path program 1 times [2019-10-13 21:22:42,638 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651919166] [2019-10-13 21:22:42,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:42,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651919166] [2019-10-13 21:22:42,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:42,764 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:42,764 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899175793] [2019-10-13 21:22:42,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:42,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:42,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:42,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:42,765 INFO L87 Difference]: Start difference. First operand 955 states and 1178 transitions. Second operand 8 states. [2019-10-13 21:22:42,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:42,832 INFO L93 Difference]: Finished difference Result 1760 states and 2224 transitions. [2019-10-13 21:22:42,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:42,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-10-13 21:22:42,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:42,838 INFO L225 Difference]: With dead ends: 1760 [2019-10-13 21:22:42,839 INFO L226 Difference]: Without dead ends: 833 [2019-10-13 21:22:42,842 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:42,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-10-13 21:22:42,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 833. [2019-10-13 21:22:42,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2019-10-13 21:22:42,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1008 transitions. [2019-10-13 21:22:42,915 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1008 transitions. Word has length 88 [2019-10-13 21:22:42,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:42,916 INFO L462 AbstractCegarLoop]: Abstraction has 833 states and 1008 transitions. [2019-10-13 21:22:42,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1008 transitions. [2019-10-13 21:22:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:42,918 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:42,919 INFO L380 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] [2019-10-13 21:22:42,919 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:42,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:42,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1797836392, now seen corresponding path program 1 times [2019-10-13 21:22:42,920 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:42,920 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214604802] [2019-10-13 21:22:42,920 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,920 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:42,921 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:43,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214604802] [2019-10-13 21:22:43,115 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:43,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:43,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271579085] [2019-10-13 21:22:43,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:43,116 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:43,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:43,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:43,117 INFO L87 Difference]: Start difference. First operand 833 states and 1008 transitions. Second operand 9 states. [2019-10-13 21:22:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,259 INFO L93 Difference]: Finished difference Result 2295 states and 2904 transitions. [2019-10-13 21:22:44,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:44,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2019-10-13 21:22:44,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,270 INFO L225 Difference]: With dead ends: 2295 [2019-10-13 21:22:44,271 INFO L226 Difference]: Without dead ends: 1666 [2019-10-13 21:22:44,276 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2019-10-13 21:22:44,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1466. [2019-10-13 21:22:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1466 states. [2019-10-13 21:22:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1466 states to 1466 states and 1758 transitions. [2019-10-13 21:22:44,382 INFO L78 Accepts]: Start accepts. Automaton has 1466 states and 1758 transitions. Word has length 92 [2019-10-13 21:22:44,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,384 INFO L462 AbstractCegarLoop]: Abstraction has 1466 states and 1758 transitions. [2019-10-13 21:22:44,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 1758 transitions. [2019-10-13 21:22:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 21:22:44,389 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,389 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:44,390 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1966372220, now seen corresponding path program 1 times [2019-10-13 21:22:44,390 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895145937] [2019-10-13 21:22:44,391 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,391 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:44,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895145937] [2019-10-13 21:22:44,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093562354] [2019-10-13 21:22:44,561 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:44,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:44,975 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:45,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2104023183] [2019-10-13 21:22:45,311 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 137 [2019-10-13 21:22:45,371 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:45,372 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:45,438 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:45,440 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:45,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,445 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:45,501 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:45,501 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:45,505 INFO L553 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2019-10-13 21:22:45,506 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:45,506 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:45,507 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:45,507 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136442913] [2019-10-13 21:22:45,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:45,509 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:45,509 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:45,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:45,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:45,509 INFO L87 Difference]: Start difference. First operand 1466 states and 1758 transitions. Second operand 2 states. [2019-10-13 21:22:45,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,527 INFO L93 Difference]: Finished difference Result 1466 states and 1758 transitions. [2019-10-13 21:22:45,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:45,528 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-10-13 21:22:45,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,528 INFO L225 Difference]: With dead ends: 1466 [2019-10-13 21:22:45,528 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:45,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:45,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:45,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-10-13 21:22:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,534 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:45,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:45,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:45,740 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:45,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:46,143 INFO L443 ceAbstractionStarter]: For program point L355-2(lines 355 376) no Hoare annotation was computed. [2019-10-13 21:22:46,143 INFO L443 ceAbstractionStarter]: For program point L377(lines 354 378) no Hoare annotation was computed. [2019-10-13 21:22:46,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 330 385) no Hoare annotation was computed. [2019-10-13 21:22:46,144 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 365) no Hoare annotation was computed. [2019-10-13 21:22:46,144 INFO L443 ceAbstractionStarter]: For program point L361-1(lines 361 365) no Hoare annotation was computed. [2019-10-13 21:22:46,144 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 330 385) no Hoare annotation was computed. [2019-10-13 21:22:46,144 INFO L443 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2019-10-13 21:22:46,144 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 330 385) no Hoare annotation was computed. [2019-10-13 21:22:46,144 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 418 422) no Hoare annotation was computed. [2019-10-13 21:22:46,145 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-13 21:22:46,145 INFO L443 ceAbstractionStarter]: For program point L412-2(lines 412 437) no Hoare annotation was computed. [2019-10-13 21:22:46,145 INFO L443 ceAbstractionStarter]: For program point L438(lines 411 439) no Hoare annotation was computed. [2019-10-13 21:22:46,145 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 386 445) no Hoare annotation was computed. [2019-10-13 21:22:46,145 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 21:22:46,145 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 386 445) no Hoare annotation was computed. [2019-10-13 21:22:46,145 INFO L443 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2019-10-13 21:22:46,146 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 386 445) no Hoare annotation was computed. [2019-10-13 21:22:46,146 INFO L443 ceAbstractionStarter]: For program point L418(lines 418 422) no Hoare annotation was computed. [2019-10-13 21:22:46,146 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2019-10-13 21:22:46,146 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2019-10-13 21:22:46,146 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:22:46,173 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2019-10-13 21:22:46,173 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2019-10-13 21:22:46,174 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: true [2019-10-13 21:22:46,174 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2019-10-13 21:22:46,174 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2019-10-13 21:22:46,174 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: true [2019-10-13 21:22:46,174 INFO L443 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2019-10-13 21:22:46,174 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2019-10-13 21:22:46,174 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2019-10-13 21:22:46,174 INFO L446 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2019-10-13 21:22:46,174 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2019-10-13 21:22:46,174 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-10-13 21:22:46,175 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 856) no Hoare annotation was computed. [2019-10-13 21:22:46,175 INFO L446 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: true [2019-10-13 21:22:46,175 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2019-10-13 21:22:46,175 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-10-13 21:22:46,175 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 859) no Hoare annotation was computed. [2019-10-13 21:22:46,176 INFO L443 ceAbstractionStarter]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2019-10-13 21:22:46,176 INFO L446 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2019-10-13 21:22:46,176 INFO L443 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2019-10-13 21:22:46,176 INFO L446 ceAbstractionStarter]: At program point L802-1(line 802) the Hoare annotation is: true [2019-10-13 21:22:46,176 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2019-10-13 21:22:46,176 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2019-10-13 21:22:46,176 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-13 21:22:46,177 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 790 812) the Hoare annotation is: true [2019-10-13 21:22:46,177 INFO L446 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: true [2019-10-13 21:22:46,177 INFO L446 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: true [2019-10-13 21:22:46,177 INFO L446 ceAbstractionStarter]: At program point L796-1(line 796) the Hoare annotation is: true [2019-10-13 21:22:46,177 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2019-10-13 21:22:46,177 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2019-10-13 21:22:46,177 INFO L446 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: true [2019-10-13 21:22:46,177 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 747 770) no Hoare annotation was computed. [2019-10-13 21:22:46,178 INFO L443 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2019-10-13 21:22:46,178 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 747 770) no Hoare annotation was computed. [2019-10-13 21:22:46,178 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-10-13 21:22:46,178 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 747 770) no Hoare annotation was computed. [2019-10-13 21:22:46,178 INFO L443 ceAbstractionStarter]: For program point L763(line 763) no Hoare annotation was computed. [2019-10-13 21:22:46,178 INFO L443 ceAbstractionStarter]: For program point L762(line 762) no Hoare annotation was computed. [2019-10-13 21:22:46,178 INFO L443 ceAbstractionStarter]: For program point L761(line 761) no Hoare annotation was computed. [2019-10-13 21:22:46,179 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-10-13 21:22:46,179 INFO L443 ceAbstractionStarter]: For program point L759(line 759) no Hoare annotation was computed. [2019-10-13 21:22:46,179 INFO L443 ceAbstractionStarter]: For program point L758(line 758) no Hoare annotation was computed. [2019-10-13 21:22:46,179 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-10-13 21:22:46,179 INFO L443 ceAbstractionStarter]: For program point L756(line 756) no Hoare annotation was computed. [2019-10-13 21:22:46,179 INFO L443 ceAbstractionStarter]: For program point L755(line 755) no Hoare annotation was computed. [2019-10-13 21:22:46,179 INFO L443 ceAbstractionStarter]: For program point L754(line 754) no Hoare annotation was computed. [2019-10-13 21:22:46,180 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-10-13 21:22:46,180 INFO L443 ceAbstractionStarter]: For program point L752(line 752) no Hoare annotation was computed. [2019-10-13 21:22:46,180 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2019-10-13 21:22:46,180 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: true [2019-10-13 21:22:46,180 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2019-10-13 21:22:46,180 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-13 21:22:46,180 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-10-13 21:22:46,180 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 226) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point L218-2(lines 218 226) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 199 234) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 199 234) no Hoare annotation was computed. [2019-10-13 21:22:46,181 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-10-13 21:22:46,182 INFO L443 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2019-10-13 21:22:46,182 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 199 234) no Hoare annotation was computed. [2019-10-13 21:22:46,182 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2019-10-13 21:22:46,182 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2019-10-13 21:22:46,182 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 284 329) no Hoare annotation was computed. [2019-10-13 21:22:46,182 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 284 329) no Hoare annotation was computed. [2019-10-13 21:22:46,182 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 284 329) no Hoare annotation was computed. [2019-10-13 21:22:46,182 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 597 642) no Hoare annotation was computed. [2019-10-13 21:22:46,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 597 642) no Hoare annotation was computed. [2019-10-13 21:22:46,183 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 624) no Hoare annotation was computed. [2019-10-13 21:22:46,183 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 597 642) no Hoare annotation was computed. [2019-10-13 21:22:46,183 INFO L443 ceAbstractionStarter]: For program point L611(lines 611 631) no Hoare annotation was computed. [2019-10-13 21:22:46,183 INFO L443 ceAbstractionStarter]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2019-10-13 21:22:46,183 INFO L446 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: true [2019-10-13 21:22:46,183 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: true [2019-10-13 21:22:46,183 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2019-10-13 21:22:46,184 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2019-10-13 21:22:46,184 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 179 189) no Hoare annotation was computed. [2019-10-13 21:22:46,184 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2019-10-13 21:22:46,184 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 21:22:46,184 INFO L443 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2019-10-13 21:22:46,184 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2019-10-13 21:22:46,184 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: true [2019-10-13 21:22:46,184 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2019-10-13 21:22:46,185 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2019-10-13 21:22:46,185 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2019-10-13 21:22:46,185 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2019-10-13 21:22:46,185 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2019-10-13 21:22:46,185 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2019-10-13 21:22:46,185 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-13 21:22:46,185 INFO L443 ceAbstractionStarter]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2019-10-13 21:22:46,185 INFO L446 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: true [2019-10-13 21:22:46,186 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2019-10-13 21:22:46,186 INFO L446 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: true [2019-10-13 21:22:46,186 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: true [2019-10-13 21:22:46,186 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 154) no Hoare annotation was computed. [2019-10-13 21:22:46,186 INFO L446 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2019-10-13 21:22:46,186 INFO L443 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2019-10-13 21:22:46,186 INFO L443 ceAbstractionStarter]: For program point L142(lines 142 159) no Hoare annotation was computed. [2019-10-13 21:22:46,186 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2019-10-13 21:22:46,187 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2019-10-13 21:22:46,187 INFO L446 ceAbstractionStarter]: At program point L704(lines 657 706) the Hoare annotation is: true [2019-10-13 21:22:46,187 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 647 714) the Hoare annotation is: true [2019-10-13 21:22:46,187 INFO L446 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: true [2019-10-13 21:22:46,187 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2019-10-13 21:22:46,187 INFO L443 ceAbstractionStarter]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2019-10-13 21:22:46,187 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2019-10-13 21:22:46,187 INFO L443 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2019-10-13 21:22:46,188 INFO L446 ceAbstractionStarter]: At program point L707(lines 656 708) the Hoare annotation is: true [2019-10-13 21:22:46,188 INFO L446 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: true [2019-10-13 21:22:46,188 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2019-10-13 21:22:46,188 INFO L446 ceAbstractionStarter]: At program point L695-1(lines 687 702) the Hoare annotation is: true [2019-10-13 21:22:46,188 INFO L443 ceAbstractionStarter]: For program point L658(lines 657 706) no Hoare annotation was computed. [2019-10-13 21:22:46,188 INFO L446 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: true [2019-10-13 21:22:46,188 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 702) no Hoare annotation was computed. [2019-10-13 21:22:46,188 INFO L446 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: true [2019-10-13 21:22:46,189 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2019-10-13 21:22:46,189 INFO L443 ceAbstractionStarter]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2019-10-13 21:22:46,189 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2019-10-13 21:22:46,189 INFO L443 ceAbstractionStarter]: For program point L571(lines 571 578) no Hoare annotation was computed. [2019-10-13 21:22:46,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 551 596) no Hoare annotation was computed. [2019-10-13 21:22:46,189 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 585) no Hoare annotation was computed. [2019-10-13 21:22:46,189 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 551 596) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 565 585) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 551 596) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 911 933) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point L919(lines 919 927) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 911 933) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point L919-2(lines 919 927) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 911 933) no Hoare annotation was computed. [2019-10-13 21:22:46,190 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 448 550) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 493) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point L537(lines 537 544) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point L498(lines 497 517) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-13 21:22:46,191 INFO L443 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point L494(lines 494 535) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 448 550) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point L513(line 513) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point L513-1(line 513) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 547) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2019-10-13 21:22:46,192 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 448 550) no Hoare annotation was computed. [2019-10-13 21:22:46,193 INFO L443 ceAbstractionStarter]: For program point L497-2(lines 497 517) no Hoare annotation was computed. [2019-10-13 21:22:46,193 INFO L443 ceAbstractionStarter]: For program point L518(lines 496 519) no Hoare annotation was computed. [2019-10-13 21:22:46,193 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:46,193 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:22:46,193 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:46,193 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2019-10-13 21:22:46,194 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2019-10-13 21:22:46,194 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: true [2019-10-13 21:22:46,194 INFO L443 ceAbstractionStarter]: For program point L242-1(line 242) no Hoare annotation was computed. [2019-10-13 21:22:46,194 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2019-10-13 21:22:46,194 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2019-10-13 21:22:46,194 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2019-10-13 21:22:46,194 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 248) no Hoare annotation was computed. [2019-10-13 21:22:46,195 INFO L446 ceAbstractionStarter]: At program point L242(line 242) the Hoare annotation is: true [2019-10-13 21:22:46,195 INFO L443 ceAbstractionStarter]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2019-10-13 21:22:46,195 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2019-10-13 21:22:46,195 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:22:46,195 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:22:46,195 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:46,195 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:46,196 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:46,196 INFO L443 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2019-10-13 21:22:46,196 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: true [2019-10-13 21:22:46,196 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2019-10-13 21:22:46,196 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 902 910) no Hoare annotation was computed. [2019-10-13 21:22:46,196 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 902 910) no Hoare annotation was computed. [2019-10-13 21:22:46,196 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2019-10-13 21:22:46,196 INFO L446 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: true [2019-10-13 21:22:46,197 INFO L446 ceAbstractionStarter]: At program point L117(lines 117 123) the Hoare annotation is: true [2019-10-13 21:22:46,197 INFO L446 ceAbstractionStarter]: At program point L112(line 112) the Hoare annotation is: true [2019-10-13 21:22:46,197 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: true [2019-10-13 21:22:46,197 INFO L443 ceAbstractionStarter]: For program point L110(lines 106 128) no Hoare annotation was computed. [2019-10-13 21:22:46,197 INFO L443 ceAbstractionStarter]: For program point L108(lines 106 128) no Hoare annotation was computed. [2019-10-13 21:22:46,197 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2019-10-13 21:22:46,197 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2019-10-13 21:22:46,198 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2019-10-13 21:22:46,198 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2019-10-13 21:22:46,198 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-10-13 21:22:46,198 INFO L446 ceAbstractionStarter]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2019-10-13 21:22:46,198 INFO L443 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-10-13 21:22:46,198 INFO L446 ceAbstractionStarter]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2019-10-13 21:22:46,198 INFO L446 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: true [2019-10-13 21:22:46,199 INFO L443 ceAbstractionStarter]: For program point L723-1(line 723) no Hoare annotation was computed. [2019-10-13 21:22:46,199 INFO L446 ceAbstractionStarter]: At program point L742(lines 717 746) the Hoare annotation is: true [2019-10-13 21:22:46,199 INFO L443 ceAbstractionStarter]: For program point L738(line 738) no Hoare annotation was computed. [2019-10-13 21:22:46,199 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: true [2019-10-13 21:22:46,199 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2019-10-13 21:22:46,199 INFO L443 ceAbstractionStarter]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2019-10-13 21:22:46,199 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2019-10-13 21:22:46,200 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2019-10-13 21:22:46,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:46,200 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:46,200 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:46,200 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:46,200 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2019-10-13 21:22:46,200 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: true [2019-10-13 21:22:46,200 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2019-10-13 21:22:46,201 INFO L443 ceAbstractionStarter]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2019-10-13 21:22:46,201 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2019-10-13 21:22:46,201 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: true [2019-10-13 21:22:46,201 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2019-10-13 21:22:46,201 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2019-10-13 21:22:46,201 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2019-10-13 21:22:46,201 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2019-10-13 21:22:46,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:46 BoogieIcfgContainer [2019-10-13 21:22:46,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:46,213 INFO L168 Benchmark]: Toolchain (without parser) took 8903.36 ms. Allocated memory was 137.9 MB in the beginning and 329.8 MB in the end (delta: 191.9 MB). Free memory was 101.4 MB in the beginning and 277.3 MB in the end (delta: -175.9 MB). Peak memory consumption was 210.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:46,214 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:46,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.57 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 170.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:46,216 INFO L168 Benchmark]: Boogie Preprocessor took 85.97 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:46,217 INFO L168 Benchmark]: RCFGBuilder took 1268.00 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 197.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:46,218 INFO L168 Benchmark]: TraceAbstraction took 6828.34 ms. Allocated memory was 234.9 MB in the beginning and 329.8 MB in the end (delta: 94.9 MB). Free memory was 197.2 MB in the beginning and 277.3 MB in the end (delta: -80.1 MB). Peak memory consumption was 208.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:46,222 INFO L335 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.57 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 170.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.97 ms. Allocated memory is still 202.4 MB. Free memory was 170.2 MB in the beginning and 166.1 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1268.00 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 197.2 MB in the end (delta: -31.1 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6828.34 ms. Allocated memory was 234.9 MB in the beginning and 329.8 MB in the end (delta: 94.9 MB). Free memory was 197.2 MB in the beginning and 277.3 MB in the end (delta: -80.1 MB). Peak memory consumption was 208.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1364 SDtfs, 892 SDslu, 3203 SDs, 0 SdLazy, 1118 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 168 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1466occurred 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 254 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1680 PreInvPairs, 1681 NumberOfFragments, 64 HoareAnnotationTreeSize, 1680 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 58 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 882 NumberOfCodeBlocks, 882 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1007 ConstructedInterpolants, 0 QuantifiedInterpolants, 174347 SizeOfPredicates, 4 NumberOfNonLiveVariables, 889 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 135, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8888888888888888, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...