/usr/bin/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:53:46,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:53:46,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:53:46,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:53:46,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:53:46,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:53:46,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:53:46,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:53:46,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:53:46,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:53:46,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:53:46,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:53:46,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:53:46,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:53:46,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:53:46,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:53:46,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:53:46,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:53:46,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:53:46,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:53:46,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:53:46,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:53:46,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:53:46,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:53:46,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:53:46,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:53:46,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:53:46,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:53:46,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:53:46,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:53:46,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:53:46,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:53:46,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:53:46,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:53:46,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:53:46,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:53:46,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:53:46,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:53:46,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:53:46,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:53:46,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:53:46,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 22:53:46,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:53:46,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:53:46,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:53:46,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:53:46,083 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:53:46,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:53:46,084 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:53:46,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:53:46,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:53:46,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:53:46,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:53:46,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:53:46,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:53:46,085 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:53:46,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:53:46,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:53:46,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:53:46,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:53:46,086 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:53:46,086 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:53:46,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:53:46,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:53:46,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:53:46,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:53:46,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:53:46,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:53:46,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:53:46,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:53:46,088 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:53:46,088 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:53:46,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:53:46,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:53:46,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:53:46,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:53:46,385 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:53:46,386 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2020-07-19 22:53:46,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20eaae619/02560ca08aee4b18bf0ea46cde907cdb/FLAGdc303e896 [2020-07-19 22:53:46,907 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:53:46,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product50.cil.c [2020-07-19 22:53:46,920 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20eaae619/02560ca08aee4b18bf0ea46cde907cdb/FLAGdc303e896 [2020-07-19 22:53:47,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20eaae619/02560ca08aee4b18bf0ea46cde907cdb [2020-07-19 22:53:47,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:53:47,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:53:47,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:53:47,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:53:47,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:53:47,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:47,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bef2e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47, skipping insertion in model container [2020-07-19 22:53:47,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:47,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:53:47,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:53:47,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:53:47,843 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:53:47,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:53:47,961 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:53:47,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47 WrapperNode [2020-07-19 22:53:47,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:53:47,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:53:47,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:53:47,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:53:47,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:47,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:48,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:48,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:48,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:48,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:48,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... [2020-07-19 22:53:48,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:53:48,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:53:48,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:53:48,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:53:48,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:53:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:53:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:53:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:53:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:53:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:53:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:53:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:53:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:53:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:53:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:53:48,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:53:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:53:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:53:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:53:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:53:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:53:48,175 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:53:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:53:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:53:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:53:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:53:48,176 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:53:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:53:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:53:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:53:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:53:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:53:48,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:53:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:53:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:53:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:53:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:53:48,178 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:53:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:53:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:53:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:53:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:53:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:53:48,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:53:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:53:48,180 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:53:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:53:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:53:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:53:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:53:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:53:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:53:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:53:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:53:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:53:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:53:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:53:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:53:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:53:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:53:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:53:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:53:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:53:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:53:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:53:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:53:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:53:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:53:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:53:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:53:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:53:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:53:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:53:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:53:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:53:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:53:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:53:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:53:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:53:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:53:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:53:48,185 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:53:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:53:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:53:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:53:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:53:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:53:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:53:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:53:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:53:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:53:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:53:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:53:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:53:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:53:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:53:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:53:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:53:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:53:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:53:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:53:49,357 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:53:49,357 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:53:49,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:53:49 BoogieIcfgContainer [2020-07-19 22:53:49,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:53:49,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:53:49,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:53:49,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:53:49,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:53:47" (1/3) ... [2020-07-19 22:53:49,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f29b7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:53:49, skipping insertion in model container [2020-07-19 22:53:49,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:53:47" (2/3) ... [2020-07-19 22:53:49,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f29b7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:53:49, skipping insertion in model container [2020-07-19 22:53:49,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:53:49" (3/3) ... [2020-07-19 22:53:49,369 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2020-07-19 22:53:49,379 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:53:49,389 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:53:49,402 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:53:49,435 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:53:49,435 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:53:49,436 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:53:49,436 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:53:49,436 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:53:49,437 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:53:49,437 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:53:49,438 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:53:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-19 22:53:49,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:53:49,476 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:53:49,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:53:49,478 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:53:49,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:53:49,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1488722281, now seen corresponding path program 1 times [2020-07-19 22:53:49,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:53:49,495 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265217504] [2020-07-19 22:53:49,496 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:53:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,169 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:53:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:53:50,308 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265217504] [2020-07-19 22:53:50,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:53:50,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:53:50,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147933501] [2020-07-19 22:53:50,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:53:50,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:53:50,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:53:50,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:53:50,340 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 3 states. [2020-07-19 22:53:51,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:53:51,436 INFO L93 Difference]: Finished difference Result 306 states and 398 transitions. [2020-07-19 22:53:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:53:51,438 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:53:51,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:53:51,452 INFO L225 Difference]: With dead ends: 306 [2020-07-19 22:53:51,452 INFO L226 Difference]: Without dead ends: 165 [2020-07-19 22:53:51,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:53:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-19 22:53:51,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 132. [2020-07-19 22:53:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-19 22:53:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 154 transitions. [2020-07-19 22:53:51,545 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 154 transitions. Word has length 46 [2020-07-19 22:53:51,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:53:51,545 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 154 transitions. [2020-07-19 22:53:51,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:53:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 154 transitions. [2020-07-19 22:53:51,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:53:51,548 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:53:51,549 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:53:51,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:53:51,549 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:53:51,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:53:51,550 INFO L82 PathProgramCache]: Analyzing trace with hash 469599371, now seen corresponding path program 1 times [2020-07-19 22:53:51,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:53:51,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620640187] [2020-07-19 22:53:51,550 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:53:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,901 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:53:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:53:51,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620640187] [2020-07-19 22:53:51,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:53:51,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:53:51,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092225433] [2020-07-19 22:53:51,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:53:51,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:53:51,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:53:51,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:53:51,943 INFO L87 Difference]: Start difference. First operand 132 states and 154 transitions. Second operand 4 states. [2020-07-19 22:53:52,365 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:53:53,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:53:53,159 INFO L93 Difference]: Finished difference Result 235 states and 285 transitions. [2020-07-19 22:53:53,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:53:53,159 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:53:53,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:53:53,162 INFO L225 Difference]: With dead ends: 235 [2020-07-19 22:53:53,162 INFO L226 Difference]: Without dead ends: 149 [2020-07-19 22:53:53,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:53:53,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-19 22:53:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2020-07-19 22:53:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-19 22:53:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-07-19 22:53:53,203 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 47 [2020-07-19 22:53:53,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:53:53,203 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-07-19 22:53:53,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:53:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-07-19 22:53:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:53:53,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:53:53,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:53:53,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:53:53,207 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:53:53,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:53:53,207 INFO L82 PathProgramCache]: Analyzing trace with hash 305445596, now seen corresponding path program 1 times [2020-07-19 22:53:53,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:53:53,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832745785] [2020-07-19 22:53:53,208 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:53:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,521 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:53:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:53,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:53:53,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832745785] [2020-07-19 22:53:53,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:53:53,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:53:53,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032920044] [2020-07-19 22:53:53,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:53:53,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:53:53,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:53:53,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:53:53,624 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 8 states. [2020-07-19 22:53:54,002 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:53:54,318 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:53:54,550 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:53:54,772 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:53:55,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:53:55,873 INFO L93 Difference]: Finished difference Result 248 states and 303 transitions. [2020-07-19 22:53:55,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:53:55,873 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 22:53:55,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:53:55,876 INFO L225 Difference]: With dead ends: 248 [2020-07-19 22:53:55,876 INFO L226 Difference]: Without dead ends: 149 [2020-07-19 22:53:55,877 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:53:55,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-07-19 22:53:55,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2020-07-19 22:53:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-19 22:53:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2020-07-19 22:53:55,911 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 52 [2020-07-19 22:53:55,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:53:55,912 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2020-07-19 22:53:55,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:53:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2020-07-19 22:53:55,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:53:55,914 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:53:55,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:53:55,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:53:55,915 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:53:55,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:53:55,915 INFO L82 PathProgramCache]: Analyzing trace with hash 892474279, now seen corresponding path program 1 times [2020-07-19 22:53:55,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:53:55,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048420121] [2020-07-19 22:53:55,916 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:53:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,192 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:53:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:56,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:53:56,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048420121] [2020-07-19 22:53:56,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:53:56,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:53:56,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889696047] [2020-07-19 22:53:56,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:53:56,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:53:56,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:53:56,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:53:56,260 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 6 states. [2020-07-19 22:53:56,604 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:53:57,679 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:53:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:53:58,297 INFO L93 Difference]: Finished difference Result 345 states and 425 transitions. [2020-07-19 22:53:58,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:53:58,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-19 22:53:58,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:53:58,305 INFO L225 Difference]: With dead ends: 345 [2020-07-19 22:53:58,306 INFO L226 Difference]: Without dead ends: 246 [2020-07-19 22:53:58,307 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:53:58,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-07-19 22:53:58,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 203. [2020-07-19 22:53:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-07-19 22:53:58,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 230 transitions. [2020-07-19 22:53:58,360 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 230 transitions. Word has length 65 [2020-07-19 22:53:58,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:53:58,360 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 230 transitions. [2020-07-19 22:53:58,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:53:58,361 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 230 transitions. [2020-07-19 22:53:58,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-19 22:53:58,362 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:53:58,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:53:58,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:53:58,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:53:58,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:53:58,364 INFO L82 PathProgramCache]: Analyzing trace with hash 861206730, now seen corresponding path program 1 times [2020-07-19 22:53:58,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:53:58,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89885235] [2020-07-19 22:53:58,365 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:53:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,671 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:53:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:53:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:53:58,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89885235] [2020-07-19 22:53:58,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:53:58,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:53:58,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589573641] [2020-07-19 22:53:58,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:53:58,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:53:58,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:53:58,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:53:58,824 INFO L87 Difference]: Start difference. First operand 203 states and 230 transitions. Second operand 12 states. [2020-07-19 22:53:59,413 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:53:59,714 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:53:59,966 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:00,189 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:00,691 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:54:01,545 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:01,816 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:02,044 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:02,277 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:02,534 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:02,813 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:04,064 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:04,432 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:04,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:04,985 INFO L93 Difference]: Finished difference Result 713 states and 919 transitions. [2020-07-19 22:54:04,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:54:04,986 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2020-07-19 22:54:04,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:04,992 INFO L225 Difference]: With dead ends: 713 [2020-07-19 22:54:04,992 INFO L226 Difference]: Without dead ends: 534 [2020-07-19 22:54:04,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-19 22:54:04,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2020-07-19 22:54:05,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 472. [2020-07-19 22:54:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-07-19 22:54:05,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 553 transitions. [2020-07-19 22:54:05,095 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 553 transitions. Word has length 79 [2020-07-19 22:54:05,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:05,096 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 553 transitions. [2020-07-19 22:54:05,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:54:05,096 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 553 transitions. [2020-07-19 22:54:05,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-19 22:54:05,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:05,103 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:05,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:54:05,103 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:05,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:05,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1327678130, now seen corresponding path program 1 times [2020-07-19 22:54:05,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:05,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277456596] [2020-07-19 22:54:05,104 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:54:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,348 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-19 22:54:05,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277456596] [2020-07-19 22:54:05,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019756329] [2020-07-19 22:54:05,567 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68b31f03 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:05,893 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@68b31f03 issued 2 check-sat command(s) [2020-07-19 22:54:05,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:05,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-19 22:54:05,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:06,036 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:54:06,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:54:06,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2020-07-19 22:54:06,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723311196] [2020-07-19 22:54:06,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:54:06,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:06,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:54:06,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:54:06,039 INFO L87 Difference]: Start difference. First operand 472 states and 553 transitions. Second operand 8 states. [2020-07-19 22:54:07,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:07,324 INFO L93 Difference]: Finished difference Result 1222 states and 1582 transitions. [2020-07-19 22:54:07,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:54:07,324 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 138 [2020-07-19 22:54:07,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:07,332 INFO L225 Difference]: With dead ends: 1222 [2020-07-19 22:54:07,332 INFO L226 Difference]: Without dead ends: 882 [2020-07-19 22:54:07,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-07-19 22:54:07,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-07-19 22:54:07,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 801. [2020-07-19 22:54:07,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2020-07-19 22:54:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 978 transitions. [2020-07-19 22:54:07,534 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 978 transitions. Word has length 138 [2020-07-19 22:54:07,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:07,535 INFO L479 AbstractCegarLoop]: Abstraction has 801 states and 978 transitions. [2020-07-19 22:54:07,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:54:07,535 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 978 transitions. [2020-07-19 22:54:07,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-19 22:54:07,538 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:07,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:07,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:54:07,746 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:07,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:07,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1471064898, now seen corresponding path program 1 times [2020-07-19 22:54:07,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:07,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066873811] [2020-07-19 22:54:07,748 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:54:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,012 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-19 22:54:08,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066873811] [2020-07-19 22:54:08,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113389498] [2020-07-19 22:54:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40c2e62 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:08,588 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@40c2e62 issued 3 check-sat command(s) [2020-07-19 22:54:08,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:08,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 22:54:08,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 22:54:08,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:54:08,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-19 22:54:08,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165009321] [2020-07-19 22:54:08,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:54:08,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:08,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:54:08,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:54:08,640 INFO L87 Difference]: Start difference. First operand 801 states and 978 transitions. Second operand 6 states. [2020-07-19 22:54:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:08,811 INFO L93 Difference]: Finished difference Result 1598 states and 1992 transitions. [2020-07-19 22:54:08,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 22:54:08,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2020-07-19 22:54:08,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:08,816 INFO L225 Difference]: With dead ends: 1598 [2020-07-19 22:54:08,816 INFO L226 Difference]: Without dead ends: 821 [2020-07-19 22:54:08,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 168 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:54:08,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-07-19 22:54:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2020-07-19 22:54:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-07-19 22:54:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1002 transitions. [2020-07-19 22:54:09,021 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1002 transitions. Word has length 130 [2020-07-19 22:54:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:09,022 INFO L479 AbstractCegarLoop]: Abstraction has 821 states and 1002 transitions. [2020-07-19 22:54:09,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:54:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1002 transitions. [2020-07-19 22:54:09,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-19 22:54:09,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:09,024 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:09,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:09,239 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:09,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:09,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1681399932, now seen corresponding path program 1 times [2020-07-19 22:54:09,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:09,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943432625] [2020-07-19 22:54:09,240 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:54:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,460 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:09,632 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-19 22:54:09,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943432625] [2020-07-19 22:54:09,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907819401] [2020-07-19 22:54:09,633 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6f3be047 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:10,091 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@6f3be047 issued 3 check-sat command(s) [2020-07-19 22:54:10,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:10,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-19 22:54:10,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:10,171 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 22:54:10,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:54:10,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2020-07-19 22:54:10,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773579217] [2020-07-19 22:54:10,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:54:10,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:10,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:54:10,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:54:10,173 INFO L87 Difference]: Start difference. First operand 821 states and 1002 transitions. Second operand 5 states. [2020-07-19 22:54:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:10,317 INFO L93 Difference]: Finished difference Result 1485 states and 1848 transitions. [2020-07-19 22:54:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:54:10,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2020-07-19 22:54:10,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:10,322 INFO L225 Difference]: With dead ends: 1485 [2020-07-19 22:54:10,322 INFO L226 Difference]: Without dead ends: 688 [2020-07-19 22:54:10,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:54:10,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2020-07-19 22:54:10,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2020-07-19 22:54:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-07-19 22:54:10,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 826 transitions. [2020-07-19 22:54:10,453 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 826 transitions. Word has length 130 [2020-07-19 22:54:10,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:10,454 INFO L479 AbstractCegarLoop]: Abstraction has 688 states and 826 transitions. [2020-07-19 22:54:10,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:54:10,454 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 826 transitions. [2020-07-19 22:54:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-19 22:54:10,456 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:10,456 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:10,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:10,670 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:10,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:10,670 INFO L82 PathProgramCache]: Analyzing trace with hash 34208085, now seen corresponding path program 1 times [2020-07-19 22:54:10,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:10,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389175772] [2020-07-19 22:54:10,671 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:54:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:10,931 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-19 22:54:11,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389175772] [2020-07-19 22:54:11,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332672612] [2020-07-19 22:54:11,126 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d9eb5aa No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:11,791 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d9eb5aa issued 4 check-sat command(s) [2020-07-19 22:54:11,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:11,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 22:54:11,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:54:11,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:54:11,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2020-07-19 22:54:11,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94391532] [2020-07-19 22:54:11,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-19 22:54:11,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:11,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-19 22:54:11,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:54:11,953 INFO L87 Difference]: Start difference. First operand 688 states and 826 transitions. Second operand 17 states. [2020-07-19 22:54:12,923 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:13,587 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:14,571 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:14,864 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:15,108 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:15,556 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-07-19 22:54:15,849 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:16,087 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:16,657 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:16,901 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:54:17,164 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:17,425 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:18,154 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:18,383 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:18,628 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:54:18,857 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:54:19,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:19,993 INFO L93 Difference]: Finished difference Result 1403 states and 1788 transitions. [2020-07-19 22:54:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-19 22:54:19,994 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 134 [2020-07-19 22:54:19,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:19,999 INFO L225 Difference]: With dead ends: 1403 [2020-07-19 22:54:20,000 INFO L226 Difference]: Without dead ends: 802 [2020-07-19 22:54:20,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=431, Invalid=1461, Unknown=0, NotChecked=0, Total=1892 [2020-07-19 22:54:20,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2020-07-19 22:54:20,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 685. [2020-07-19 22:54:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-07-19 22:54:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 817 transitions. [2020-07-19 22:54:20,144 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 817 transitions. Word has length 134 [2020-07-19 22:54:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:20,145 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 817 transitions. [2020-07-19 22:54:20,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-19 22:54:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 817 transitions. [2020-07-19 22:54:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-07-19 22:54:20,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:20,149 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-19 22:54:20,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:20,362 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:20,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:20,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1230728719, now seen corresponding path program 1 times [2020-07-19 22:54:20,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:20,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790095212] [2020-07-19 22:54:20,364 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:54:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,622 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,931 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2020-07-19 22:54:20,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790095212] [2020-07-19 22:54:20,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101797623] [2020-07-19 22:54:20,932 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4569a2cd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:21,409 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4569a2cd issued 3 check-sat command(s) [2020-07-19 22:54:21,409 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:21,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:54:21,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:21,543 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 22:54:21,544 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 22:54:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 82 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-19 22:54:21,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:54:21,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 20 [2020-07-19 22:54:21,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637368942] [2020-07-19 22:54:21,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:54:21,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:21,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:54:21,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:54:21,611 INFO L87 Difference]: Start difference. First operand 685 states and 817 transitions. Second operand 20 states. [2020-07-19 22:54:22,101 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:54:23,098 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:23,743 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:24,033 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:24,258 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:24,501 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:24,796 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:25,037 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:26,061 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-07-19 22:54:26,512 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-07-19 22:54:26,963 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-07-19 22:54:27,741 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:54:28,001 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:54:28,242 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:54:28,681 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-19 22:54:29,133 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-07-19 22:54:29,816 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-19 22:54:30,309 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:54:31,319 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-19 22:54:31,810 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-19 22:54:32,297 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:32,548 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:33,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:33,386 INFO L93 Difference]: Finished difference Result 1962 states and 2558 transitions. [2020-07-19 22:54:33,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-07-19 22:54:33,386 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 188 [2020-07-19 22:54:33,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:33,396 INFO L225 Difference]: With dead ends: 1962 [2020-07-19 22:54:33,396 INFO L226 Difference]: Without dead ends: 1362 [2020-07-19 22:54:33,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=624, Invalid=2456, Unknown=0, NotChecked=0, Total=3080 [2020-07-19 22:54:33,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2020-07-19 22:54:33,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1012. [2020-07-19 22:54:33,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1012 states. [2020-07-19 22:54:33,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1217 transitions. [2020-07-19 22:54:33,718 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1217 transitions. Word has length 188 [2020-07-19 22:54:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:33,719 INFO L479 AbstractCegarLoop]: Abstraction has 1012 states and 1217 transitions. [2020-07-19 22:54:33,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:54:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1217 transitions. [2020-07-19 22:54:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-07-19 22:54:33,724 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:33,725 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:33,939 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:54:33,940 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:33,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:33,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1185901215, now seen corresponding path program 1 times [2020-07-19 22:54:33,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:33,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637889873] [2020-07-19 22:54:33,941 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7664fd4e [2020-07-19 22:54:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,178 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:34,389 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-19 22:54:34,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637889873] [2020-07-19 22:54:34,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622655845] [2020-07-19 22:54:34,390 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71c4dfbe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:34,746 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71c4dfbe issued 3 check-sat command(s) [2020-07-19 22:54:34,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:34,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 22:54:34,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-19 22:54:34,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:54:34,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-19 22:54:34,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958298692] [2020-07-19 22:54:34,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:54:34,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:34,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:54:34,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:54:34,778 INFO L87 Difference]: Start difference. First operand 1012 states and 1217 transitions. Second operand 6 states. [2020-07-19 22:54:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:34,882 INFO L93 Difference]: Finished difference Result 1321 states and 1577 transitions. [2020-07-19 22:54:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 22:54:34,883 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2020-07-19 22:54:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:34,885 INFO L225 Difference]: With dead ends: 1321 [2020-07-19 22:54:34,885 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:54:34,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:54:34,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:54:34,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:54:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:54:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:54:34,890 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-07-19 22:54:34,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:34,891 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:54:34,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:54:34,891 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:54:34,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:54:35,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:35,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:54:36,374 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-07-19 22:54:37,872 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 242 [2020-07-19 22:54:38,255 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 239 [2020-07-19 22:54:38,417 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 242 [2020-07-19 22:54:38,771 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 242 [2020-07-19 22:54:39,586 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 11 [2020-07-19 22:54:39,747 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 22:54:39,924 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-19 22:54:40,511 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 30 [2020-07-19 22:54:40,638 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:54:40,969 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 14 [2020-07-19 22:54:41,444 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 20 [2020-07-19 22:54:41,764 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 25 [2020-07-19 22:54:42,164 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-19 22:54:42,359 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2020-07-19 22:54:42,485 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:54:42,832 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-07-19 22:54:43,327 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 25 [2020-07-19 22:54:43,463 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 22:54:43,662 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2020-07-19 22:54:44,144 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 21 [2020-07-19 22:54:44,319 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-19 22:54:44,666 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-07-19 22:54:45,203 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 20 [2020-07-19 22:54:45,354 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:54:45,718 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 24 [2020-07-19 22:54:46,038 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 14 [2020-07-19 22:54:46,595 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 26 [2020-07-19 22:54:46,926 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 24 [2020-07-19 22:54:47,288 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 24 [2020-07-19 22:54:47,580 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-07-19 22:54:47,804 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-19 22:54:48,046 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-19 22:54:48,223 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-19 22:54:48,361 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-07-19 22:54:48,538 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-19 22:54:48,933 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 24 [2020-07-19 22:54:49,087 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:54:49,326 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 20 [2020-07-19 22:54:49,549 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2020-07-19 22:54:49,762 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 13 [2020-07-19 22:54:50,428 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 18 [2020-07-19 22:54:50,666 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-19 22:54:50,844 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-19 22:54:50,849 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 22:54:50,849 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 22:54:50,849 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 22:54:50,849 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 22:54:50,849 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:54:50,850 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 22:54:50,850 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:54:50,850 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:54:50,850 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 22:54:50,850 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 22:54:50,850 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:54:50,850 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 22:54:50,851 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 22:54:50,851 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 22:54:50,851 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:54:50,851 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 22:54:50,851 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:54:50,851 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 22:54:50,852 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 566 572) the Hoare annotation is: true [2020-07-19 22:54:50,852 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 566 572) no Hoare annotation was computed. [2020-07-19 22:54:50,852 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 573 581) no Hoare annotation was computed. [2020-07-19 22:54:50,852 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 573 581) the Hoare annotation is: true [2020-07-19 22:54:50,852 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 573 581) no Hoare annotation was computed. [2020-07-19 22:54:50,852 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-07-19 22:54:50,853 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-07-19 22:54:50,853 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-07-19 22:54:50,853 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-07-19 22:54:50,853 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-07-19 22:54:50,853 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-07-19 22:54:50,853 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-19 22:54:50,853 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-19 22:54:50,854 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-19 22:54:50,854 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-19 22:54:50,854 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,854 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-07-19 22:54:50,854 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,854 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,854 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-07-19 22:54:50,854 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-07-19 22:54:50,855 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-07-19 22:54:50,855 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 22:54:50,855 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,855 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,855 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,855 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 22:54:50,855 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-19 22:54:50,855 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 22:54:50,856 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 807 815) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 807 815) the Hoare annotation is: true [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 807 815) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L271 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: true [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point L880-2(lines 880 884) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-07-19 22:54:50,857 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 871 889) the Hoare annotation is: true [2020-07-19 22:54:50,857 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 871 889) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 871 889) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point L835-2(lines 835 843) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point L823(lines 823 831) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point L823-2(lines 823 831) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 816 851) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 816 851) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point L835(lines 835 843) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 816 851) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 559 565) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 559 565) the Hoare annotation is: true [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:54:50,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-07-19 22:54:50,859 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 796 806) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 796 806) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 796 806) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 788 795) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 788 795) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 788 795) no Hoare annotation was computed. [2020-07-19 22:54:50,860 INFO L268 CegarLoopResult]: For program point L671(lines 671 677) no Hoare annotation was computed. [2020-07-19 22:54:50,861 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 667 680) no Hoare annotation was computed. [2020-07-19 22:54:50,861 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 667 680) the Hoare annotation is: true [2020-07-19 22:54:50,861 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 667 680) no Hoare annotation was computed. [2020-07-19 22:54:50,861 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,861 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6)) .cse1))) [2020-07-19 22:54:50,861 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-19 22:54:50,861 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-19 22:54:50,861 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-19 22:54:50,862 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-19 22:54:50,862 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-19 22:54:50,862 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,862 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-19 22:54:50,862 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-19 22:54:50,862 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-19 22:54:50,862 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-19 22:54:50,862 INFO L268 CegarLoopResult]: For program point L929(lines 929 935) no Hoare annotation was computed. [2020-07-19 22:54:50,863 INFO L268 CegarLoopResult]: For program point L929-1(lines 929 935) no Hoare annotation was computed. [2020-07-19 22:54:50,863 INFO L264 CegarLoopResult]: At program point testENTRY(lines 899 964) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,863 INFO L264 CegarLoopResult]: At program point L954(lines 909 956) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:54:50,863 INFO L264 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:54:50,863 INFO L268 CegarLoopResult]: For program point L919(lines 919 925) no Hoare annotation was computed. [2020-07-19 22:54:50,863 INFO L268 CegarLoopResult]: For program point testFINAL(lines 899 964) no Hoare annotation was computed. [2020-07-19 22:54:50,863 INFO L268 CegarLoopResult]: For program point L919-1(lines 919 925) no Hoare annotation was computed. [2020-07-19 22:54:50,864 INFO L268 CegarLoopResult]: For program point L911(lines 911 915) no Hoare annotation was computed. [2020-07-19 22:54:50,864 INFO L264 CegarLoopResult]: At program point L957(lines 908 958) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:54:50,864 INFO L268 CegarLoopResult]: For program point L947(lines 947 951) no Hoare annotation was computed. [2020-07-19 22:54:50,864 INFO L264 CegarLoopResult]: At program point L947-2(lines 939 952) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:54:50,864 INFO L268 CegarLoopResult]: For program point L910(lines 909 956) no Hoare annotation was computed. [2020-07-19 22:54:50,864 INFO L264 CegarLoopResult]: At program point L941(line 941) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:54:50,864 INFO L268 CegarLoopResult]: For program point L939(lines 939 952) no Hoare annotation was computed. [2020-07-19 22:54:50,864 INFO L264 CegarLoopResult]: At program point L931(line 931) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1))) [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point testEXIT(lines 899 964) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-19 22:54:50,865 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 681 689) the Hoare annotation is: true [2020-07-19 22:54:50,865 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 651) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 635 657) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 635 657) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 635 657) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point L643(lines 643 651) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 22:54:50,866 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 22:54:50,867 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 22:54:50,868 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 22:54:50,868 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 549 558) no Hoare annotation was computed. [2020-07-19 22:54:50,868 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 549 558) no Hoare annotation was computed. [2020-07-19 22:54:50,868 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 549 558) no Hoare annotation was computed. [2020-07-19 22:54:50,868 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:54:50,868 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#t~string42.base)| |#t~string42.base|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(#t~string65.base)| |#t~string65.base|) (= |old(#t~string55.offset)| |#t~string55.offset|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |old(#t~string44.offset)| |#t~string44.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |#t~string53.base| |old(#t~string53.base)|) (= |old(#t~string46.base)| |#t~string46.base|) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string48.base)| |#t~string48.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |old(#t~string29.offset)| |#t~string29.offset|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string63.offset)| |#t~string63.offset|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string55.base| |old(#t~string55.base)|) (= |old(#t~string31.base)| |#t~string31.base|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string59.base| |old(#t~string59.base)|) (= |old(#t~string29.base)| |#t~string29.base|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |old(#t~string46.offset)| |#t~string46.offset|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |old(#t~string40.base)| |#t~string40.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string44.base)| |#t~string44.base|) (= |old(#t~string31.offset)| |#t~string31.offset|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(#t~string53.offset)| |#t~string53.offset|)) [2020-07-19 22:54:50,868 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:54:50,869 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 780 787) no Hoare annotation was computed. [2020-07-19 22:54:50,869 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 780 787) no Hoare annotation was computed. [2020-07-19 22:54:50,869 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,869 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 658 666) the Hoare annotation is: true [2020-07-19 22:54:50,869 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 658 666) no Hoare annotation was computed. [2020-07-19 22:54:50,869 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 658 666) no Hoare annotation was computed. [2020-07-19 22:54:50,869 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 852 870) no Hoare annotation was computed. [2020-07-19 22:54:50,869 INFO L268 CegarLoopResult]: For program point L861(lines 861 865) no Hoare annotation was computed. [2020-07-19 22:54:50,869 INFO L271 CegarLoopResult]: At program point L859(line 859) the Hoare annotation is: true [2020-07-19 22:54:50,869 INFO L268 CegarLoopResult]: For program point L861-2(lines 861 865) no Hoare annotation was computed. [2020-07-19 22:54:50,870 INFO L268 CegarLoopResult]: For program point L859-1(line 859) no Hoare annotation was computed. [2020-07-19 22:54:50,870 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 852 870) the Hoare annotation is: true [2020-07-19 22:54:50,870 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 852 870) no Hoare annotation was computed. [2020-07-19 22:54:50,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:54:50,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:54:50,870 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:54:50,870 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-07-19 22:54:50,870 INFO L268 CegarLoopResult]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2020-07-19 22:54:50,870 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 614 625) no Hoare annotation was computed. [2020-07-19 22:54:50,871 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-19 22:54:50,871 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-19 22:54:50,871 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:54:50,871 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-19 22:54:50,871 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-19 22:54:50,871 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-19 22:54:50,871 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) .cse5 .cse6)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not .cse6))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (and .cse0 .cse5) .cse4 (not (= 1 |old(~waterLevel~0)|)) .cse2)))) [2020-07-19 22:54:50,871 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 22:54:50,872 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-07-19 22:54:50,872 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-07-19 22:54:50,872 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-07-19 22:54:50,872 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-07-19 22:54:50,872 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-07-19 22:54:50,872 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-07-19 22:54:50,872 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 22:54:50,872 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-07-19 22:54:50,872 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-07-19 22:54:50,872 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 626 634) no Hoare annotation was computed. [2020-07-19 22:54:50,873 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 626 634) no Hoare annotation was computed. [2020-07-19 22:54:50,873 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 626 634) no Hoare annotation was computed. [2020-07-19 22:54:50,873 INFO L268 CegarLoopResult]: For program point L594-1(lines 590 601) no Hoare annotation was computed. [2020-07-19 22:54:50,873 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 590 601) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,873 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 590 601) no Hoare annotation was computed. [2020-07-19 22:54:50,873 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-07-19 22:54:50,873 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-07-19 22:54:50,873 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:54:50,873 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:54:50,873 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:54:50,874 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:54:50,874 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 890 897) no Hoare annotation was computed. [2020-07-19 22:54:50,874 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 890 897) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (= |old(~systemActive~0)| ~systemActive~0) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0)) (= 1 ~systemActive~0)))) [2020-07-19 22:54:50,874 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 890 897) no Hoare annotation was computed. [2020-07-19 22:54:50,874 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-19 22:54:50,874 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,874 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,875 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-19 22:54:50,875 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-19 22:54:50,875 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-19 22:54:50,875 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,875 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-19 22:54:50,875 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:54:50,875 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1) (or .cse0 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) .cse1))) [2020-07-19 22:54:50,876 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-19 22:54:50,876 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-19 22:54:50,876 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 602 613) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:54:50,876 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2020-07-19 22:54:50,876 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2020-07-19 22:54:50,876 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2020-07-19 22:54:50,876 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2020-07-19 22:54:50,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:54:50 BoogieIcfgContainer [2020-07-19 22:54:50,892 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:54:50,894 INFO L168 Benchmark]: Toolchain (without parser) took 63605.50 ms. Allocated memory was 147.3 MB in the beginning and 853.5 MB in the end (delta: 706.2 MB). Free memory was 103.7 MB in the beginning and 223.7 MB in the end (delta: -120.0 MB). Peak memory consumption was 731.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:54:50,894 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 22:54:50,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.08 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 103.2 MB in the beginning and 172.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:54:50,895 INFO L168 Benchmark]: Boogie Preprocessor took 139.91 ms. Allocated memory is still 204.5 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:54:50,896 INFO L168 Benchmark]: RCFGBuilder took 1259.11 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 190.0 MB in the end (delta: -22.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:54:50,896 INFO L168 Benchmark]: TraceAbstraction took 61529.51 ms. Allocated memory was 234.4 MB in the beginning and 853.5 MB in the end (delta: 619.2 MB). Free memory was 190.0 MB in the beginning and 223.7 MB in the end (delta: -33.7 MB). Peak memory consumption was 730.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:54:50,898 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.08 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 103.2 MB in the beginning and 172.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.91 ms. Allocated memory is still 204.5 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1259.11 ms. Allocated memory was 204.5 MB in the beginning and 234.4 MB in the end (delta: 29.9 MB). Free memory was 167.6 MB in the beginning and 190.0 MB in the end (delta: -22.4 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61529.51 ms. Allocated memory was 234.4 MB in the beginning and 853.5 MB in the end (delta: 619.2 MB). Free memory was 190.0 MB in the beginning and 223.7 MB in the end (delta: -33.7 MB). Peak memory consumption was 730.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 908]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 2 <= waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.6s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 34.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1610 SDtfs, 3287 SDslu, 3115 SDs, 0 SdLazy, 8954 SolverSat, 2392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1498 GetRequests, 1298 SyntacticMatches, 3 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 19.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1012occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 738 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 2085 PreInvPairs, 2136 NumberOfFragments, 1177 HoareAnnotationTreeSize, 2085 FomulaSimplifications, 1933337 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 60 FomulaSimplificationsInter, 40893 FormulaSimplificationTreeSizeReductionInter, 11.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 2113 NumberOfCodeBlocks, 1888 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2096 ConstructedInterpolants, 0 QuantifiedInterpolants, 688491 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4920 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 587/632 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...