/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_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:54:07,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:54:07,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:54:07,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:54:07,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:54:07,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:54:07,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:54:07,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:54:07,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:54:07,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:54:07,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:54:07,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:54:07,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:54:07,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:54:07,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:54:07,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:54:07,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:54:07,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:54:07,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:54:07,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:54:07,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:54:07,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:54:08,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:54:08,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:54:08,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:54:08,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:54:08,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:54:08,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:54:08,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:54:08,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:54:08,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:54:08,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:54:08,009 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:54:08,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:54:08,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:54:08,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:54:08,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:54:08,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:54:08,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:54:08,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:54:08,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:54:08,015 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 22:54:08,039 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:54:08,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:54:08,040 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:54:08,040 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:54:08,041 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:54:08,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:54:08,041 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:54:08,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:54:08,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:54:08,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:54:08,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:54:08,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:54:08,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:54:08,044 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:54:08,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:54:08,045 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:54:08,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:54:08,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:54:08,047 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:54:08,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:54:08,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:54:08,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:54:08,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:54:08,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:54:08,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:54:08,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:54:08,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:54:08,048 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:54:08,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:54:08,049 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 22:54:08,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:54:08,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:54:08,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:54:08,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:54:08,356 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:54:08,357 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-07-19 22:54:08,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3eb6b5b4/60701ff2daec4e9fab17ea6e2ebb2c47/FLAG5a665015c [2020-07-19 22:54:08,983 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:54:08,984 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product63.cil.c [2020-07-19 22:54:08,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3eb6b5b4/60701ff2daec4e9fab17ea6e2ebb2c47/FLAG5a665015c [2020-07-19 22:54:09,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3eb6b5b4/60701ff2daec4e9fab17ea6e2ebb2c47 [2020-07-19 22:54:09,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:54:09,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:54:09,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:54:09,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:54:09,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:54:09,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:09,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@144ee2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09, skipping insertion in model container [2020-07-19 22:54:09,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:09,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:54:09,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:54:09,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:54:09,830 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:54:09,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:54:09,955 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:54:09,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09 WrapperNode [2020-07-19 22:54:09,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:54:09,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:54:09,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:54:09,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:54:09,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:09,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:09,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:09,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:10,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:10,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:10,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (1/1) ... [2020-07-19 22:54:10,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:54:10,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:54:10,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:54:10,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:54:10,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (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 22:54:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:54:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:54:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:54:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:54:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:54:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:54:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:54:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:54:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:54:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:54:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:54:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:54:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:54:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:54:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:54:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:54:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:54:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:54:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:54:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:54:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:54:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:54:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:54:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:54:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:54:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:54:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:54:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:54:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:54:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:54:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:54:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:54:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:54:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:54:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:54:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:54:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:54:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:54:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:54:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:54:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:54:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:54:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:54:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:54:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:54:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:54:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:54:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:54:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:54:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:54:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:54:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:54:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:54:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:54:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:54:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:54:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:54:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:54:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:54:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:54:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:54:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:54:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:54:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:54:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:54:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:54:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:54:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:54:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:54:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:54:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:54:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:54:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:54:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:54:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:54:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:54:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:54:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:54:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:54:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:54:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:54:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:54:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:54:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:54:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:54:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:54:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:54:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:54:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:54:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:54:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:54:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:54:11,231 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:54:11,232 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:54:11,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:54:11 BoogieIcfgContainer [2020-07-19 22:54:11,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:54:11,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:54:11,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:54:11,243 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:54:11,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:54:09" (1/3) ... [2020-07-19 22:54:11,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f1a4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:54:11, skipping insertion in model container [2020-07-19 22:54:11,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:54:09" (2/3) ... [2020-07-19 22:54:11,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f1a4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:54:11, skipping insertion in model container [2020-07-19 22:54:11,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:54:11" (3/3) ... [2020-07-19 22:54:11,247 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product63.cil.c [2020-07-19 22:54:11,257 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:54:11,265 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:54:11,278 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:54:11,304 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:54:11,304 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:54:11,305 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:54:11,305 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:54:11,305 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:54:11,305 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:54:11,306 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:54:11,306 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:54:11,330 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-19 22:54:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:54:11,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:11,341 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 22:54:11,342 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:11,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:11,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1593418819, now seen corresponding path program 1 times [2020-07-19 22:54:11,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:11,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257364050] [2020-07-19 22:54:11,355 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:11,979 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:12,121 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 22:54:12,122 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257364050] [2020-07-19 22:54:12,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:54:12,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:54:12,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015657292] [2020-07-19 22:54:12,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:54:12,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:12,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:54:12,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:54:12,150 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 3 states. [2020-07-19 22:54:13,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:13,430 INFO L93 Difference]: Finished difference Result 365 states and 474 transitions. [2020-07-19 22:54:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:54:13,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:54:13,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:13,449 INFO L225 Difference]: With dead ends: 365 [2020-07-19 22:54:13,449 INFO L226 Difference]: Without dead ends: 197 [2020-07-19 22:54:13,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:54:13,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-07-19 22:54:13,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 159. [2020-07-19 22:54:13,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-19 22:54:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-19 22:54:13,592 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 46 [2020-07-19 22:54:13,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:13,593 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-19 22:54:13,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:54:13,594 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-19 22:54:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:54:13,605 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:13,605 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 22:54:13,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:54:13,606 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:13,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:13,607 INFO L82 PathProgramCache]: Analyzing trace with hash 261795935, now seen corresponding path program 1 times [2020-07-19 22:54:13,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:13,607 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642122556] [2020-07-19 22:54:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,905 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:13,954 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 22:54:13,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642122556] [2020-07-19 22:54:13,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:54:13,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:54:13,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426164467] [2020-07-19 22:54:13,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:54:13,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:13,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:54:13,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:54:13,959 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 4 states. [2020-07-19 22:54:14,365 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:54:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:15,410 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2020-07-19 22:54:15,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:54:15,411 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:54:15,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:15,415 INFO L225 Difference]: With dead ends: 292 [2020-07-19 22:54:15,415 INFO L226 Difference]: Without dead ends: 181 [2020-07-19 22:54:15,417 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 22:54:15,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-07-19 22:54:15,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 150. [2020-07-19 22:54:15,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-19 22:54:15,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-19 22:54:15,460 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 47 [2020-07-19 22:54:15,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:15,461 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-19 22:54:15,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:54:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-19 22:54:15,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 22:54:15,463 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:15,463 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] [2020-07-19 22:54:15,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:54:15,463 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:15,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:15,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1299589925, now seen corresponding path program 1 times [2020-07-19 22:54:15,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:15,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347955009] [2020-07-19 22:54:15,465 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,795 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:15,887 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 22:54:15,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347955009] [2020-07-19 22:54:15,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:54:15,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:54:15,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881766475] [2020-07-19 22:54:15,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:54:15,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:15,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:54:15,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:54:15,891 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 8 states. [2020-07-19 22:54:16,289 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:16,614 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:16,851 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:17,077 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:17,764 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:54:19,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:19,940 INFO L93 Difference]: Finished difference Result 510 states and 633 transitions. [2020-07-19 22:54:19,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:54:19,941 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-19 22:54:19,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:19,949 INFO L225 Difference]: With dead ends: 510 [2020-07-19 22:54:19,949 INFO L226 Difference]: Without dead ends: 384 [2020-07-19 22:54:19,950 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:54:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-07-19 22:54:20,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 318. [2020-07-19 22:54:20,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-07-19 22:54:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 386 transitions. [2020-07-19 22:54:20,037 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 386 transitions. Word has length 51 [2020-07-19 22:54:20,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:20,037 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 386 transitions. [2020-07-19 22:54:20,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:54:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 386 transitions. [2020-07-19 22:54:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 22:54:20,039 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:20,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:20,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:54:20,040 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:20,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:20,040 INFO L82 PathProgramCache]: Analyzing trace with hash -848411279, now seen corresponding path program 1 times [2020-07-19 22:54:20,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:20,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684540699] [2020-07-19 22:54:20,041 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,348 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:20,481 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 22:54:20,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684540699] [2020-07-19 22:54:20,482 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:54:20,482 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:54:20,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475347100] [2020-07-19 22:54:20,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:54:20,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:20,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:54:20,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:54:20,486 INFO L87 Difference]: Start difference. First operand 318 states and 386 transitions. Second operand 12 states. [2020-07-19 22:54:20,962 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:21,303 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:21,538 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:21,769 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:22,276 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:54:23,109 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:23,481 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:23,795 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:24,075 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:24,363 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:24,720 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:25,079 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:25,513 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:27,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:27,751 INFO L93 Difference]: Finished difference Result 1305 states and 1782 transitions. [2020-07-19 22:54:27,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:54:27,752 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-07-19 22:54:27,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:27,767 INFO L225 Difference]: With dead ends: 1305 [2020-07-19 22:54:27,767 INFO L226 Difference]: Without dead ends: 1011 [2020-07-19 22:54:27,770 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 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 22:54:27,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-07-19 22:54:28,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 910. [2020-07-19 22:54:28,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-07-19 22:54:28,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1164 transitions. [2020-07-19 22:54:28,034 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1164 transitions. Word has length 57 [2020-07-19 22:54:28,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:28,036 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 1164 transitions. [2020-07-19 22:54:28,036 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:54:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1164 transitions. [2020-07-19 22:54:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-19 22:54:28,040 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:28,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:28,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:54:28,041 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:28,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:28,043 INFO L82 PathProgramCache]: Analyzing trace with hash -533846889, now seen corresponding path program 1 times [2020-07-19 22:54:28,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:28,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798728044] [2020-07-19 22:54:28,044 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,327 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:28,422 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 22:54:28,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798728044] [2020-07-19 22:54:28,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:54:28,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:54:28,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838266522] [2020-07-19 22:54:28,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:54:28,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:28,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:54:28,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:54:28,426 INFO L87 Difference]: Start difference. First operand 910 states and 1164 transitions. Second operand 6 states. [2020-07-19 22:54:28,784 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:30,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:30,838 INFO L93 Difference]: Finished difference Result 2165 states and 2945 transitions. [2020-07-19 22:54:30,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 22:54:30,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-07-19 22:54:30,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:30,853 INFO L225 Difference]: With dead ends: 2165 [2020-07-19 22:54:30,853 INFO L226 Difference]: Without dead ends: 1279 [2020-07-19 22:54:30,859 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:54:30,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2020-07-19 22:54:31,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1192. [2020-07-19 22:54:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2020-07-19 22:54:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1486 transitions. [2020-07-19 22:54:31,199 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1486 transitions. Word has length 61 [2020-07-19 22:54:31,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:31,200 INFO L479 AbstractCegarLoop]: Abstraction has 1192 states and 1486 transitions. [2020-07-19 22:54:31,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:54:31,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1486 transitions. [2020-07-19 22:54:31,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-19 22:54:31,205 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:31,205 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] [2020-07-19 22:54:31,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:54:31,206 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:31,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:31,206 INFO L82 PathProgramCache]: Analyzing trace with hash 2051159117, now seen corresponding path program 1 times [2020-07-19 22:54:31,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:31,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198201963] [2020-07-19 22:54:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,479 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 22:54:31,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198201963] [2020-07-19 22:54:31,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674846755] [2020-07-19 22:54:31,647 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ceeb8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:31,997 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ceeb8 issued 4 check-sat command(s) [2020-07-19 22:54:31,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:32,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:54:32,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:54:32,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:54:32,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 22:54:32,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609490993] [2020-07-19 22:54:32,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:54:32,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:32,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:54:32,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:54:32,103 INFO L87 Difference]: Start difference. First operand 1192 states and 1486 transitions. Second operand 12 states. [2020-07-19 22:54:32,658 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 22:54:33,223 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:35,423 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:35,825 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:54:39,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:39,803 INFO L93 Difference]: Finished difference Result 3094 states and 4179 transitions. [2020-07-19 22:54:39,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-07-19 22:54:39,804 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-07-19 22:54:39,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:39,819 INFO L225 Difference]: With dead ends: 3094 [2020-07-19 22:54:39,819 INFO L226 Difference]: Without dead ends: 2217 [2020-07-19 22:54:39,824 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2020-07-19 22:54:39,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2020-07-19 22:54:40,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2053. [2020-07-19 22:54:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2053 states. [2020-07-19 22:54:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2603 transitions. [2020-07-19 22:54:40,274 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2603 transitions. Word has length 88 [2020-07-19 22:54:40,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:40,277 INFO L479 AbstractCegarLoop]: Abstraction has 2053 states and 2603 transitions. [2020-07-19 22:54:40,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:54:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2603 transitions. [2020-07-19 22:54:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-19 22:54:40,283 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:40,283 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:40,497 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:54:40,498 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:40,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:40,498 INFO L82 PathProgramCache]: Analyzing trace with hash 2121665403, now seen corresponding path program 1 times [2020-07-19 22:54:40,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:40,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741580101] [2020-07-19 22:54:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,871 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-19 22:54:41,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741580101] [2020-07-19 22:54:41,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319214399] [2020-07-19 22:54:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@449fbaee 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 22:54:41,533 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@449fbaee issued 3 check-sat command(s) [2020-07-19 22:54:41,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:41,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 22:54:41,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:41,566 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-19 22:54:41,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:54:41,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-19 22:54:41,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264029206] [2020-07-19 22:54:41,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:54:41,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:41,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:54:41,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 22:54:41,569 INFO L87 Difference]: Start difference. First operand 2053 states and 2603 transitions. Second operand 6 states. [2020-07-19 22:54:41,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:41,965 INFO L93 Difference]: Finished difference Result 4138 states and 5544 transitions. [2020-07-19 22:54:41,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 22:54:41,966 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2020-07-19 22:54:41,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:41,980 INFO L225 Difference]: With dead ends: 4138 [2020-07-19 22:54:41,980 INFO L226 Difference]: Without dead ends: 2109 [2020-07-19 22:54:41,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:54:41,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2109 states. [2020-07-19 22:54:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2109 to 2093. [2020-07-19 22:54:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2093 states. [2020-07-19 22:54:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2651 transitions. [2020-07-19 22:54:42,415 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2651 transitions. Word has length 146 [2020-07-19 22:54:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:42,415 INFO L479 AbstractCegarLoop]: Abstraction has 2093 states and 2651 transitions. [2020-07-19 22:54:42,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:54:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2651 transitions. [2020-07-19 22:54:42,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-19 22:54:42,421 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:42,422 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:42,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:42,636 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:42,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:42,636 INFO L82 PathProgramCache]: Analyzing trace with hash 502690489, now seen corresponding path program 1 times [2020-07-19 22:54:42,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:42,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028056589] [2020-07-19 22:54:42,637 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,908 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:43,096 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-19 22:54:43,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028056589] [2020-07-19 22:54:43,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734612915] [2020-07-19 22:54:43,097 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@290fe856 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:43,532 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@290fe856 issued 3 check-sat command(s) [2020-07-19 22:54:43,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:43,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-19 22:54:43,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-19 22:54:43,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:54:43,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2020-07-19 22:54:43,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191617527] [2020-07-19 22:54:43,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:54:43,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:43,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:54:43,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:54:43,654 INFO L87 Difference]: Start difference. First operand 2093 states and 2651 transitions. Second operand 5 states. [2020-07-19 22:54:44,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:54:44,227 INFO L93 Difference]: Finished difference Result 3772 states and 4906 transitions. [2020-07-19 22:54:44,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:54:44,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-07-19 22:54:44,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:54:44,245 INFO L225 Difference]: With dead ends: 3772 [2020-07-19 22:54:44,245 INFO L226 Difference]: Without dead ends: 1703 [2020-07-19 22:54:44,253 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:54:44,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2020-07-19 22:54:44,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1703. [2020-07-19 22:54:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-07-19 22:54:44,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2127 transitions. [2020-07-19 22:54:44,753 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2127 transitions. Word has length 146 [2020-07-19 22:54:44,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:54:44,754 INFO L479 AbstractCegarLoop]: Abstraction has 1703 states and 2127 transitions. [2020-07-19 22:54:44,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:54:44,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2127 transitions. [2020-07-19 22:54:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-19 22:54:44,759 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:54:44,760 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:54:44,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:54:44,974 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:54:44,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:54:44,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1752033202, now seen corresponding path program 1 times [2020-07-19 22:54:44,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:54:44,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945254876] [2020-07-19 22:54:44,975 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:54:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,361 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:54:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:54:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-19 22:54:45,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945254876] [2020-07-19 22:54:45,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724788384] [2020-07-19 22:54:45,753 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b2b279 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 22:54:46,192 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7b2b279 issued 4 check-sat command(s) [2020-07-19 22:54:46,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:54:46,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 22:54:46,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:54:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:54:46,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:54:46,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9] total 22 [2020-07-19 22:54:46,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550981012] [2020-07-19 22:54:46,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-19 22:54:46,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:54:46,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-19 22:54:46,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:54:46,404 INFO L87 Difference]: Start difference. First operand 1703 states and 2127 transitions. Second operand 22 states. [2020-07-19 22:54:46,956 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:47,768 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:54:48,151 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:48,643 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:54:49,212 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:49,627 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:49,981 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:50,469 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-07-19 22:54:50,719 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:51,084 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:51,349 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:51,667 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:51,943 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:52,476 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-19 22:54:52,944 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:54:53,318 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:54:54,701 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:55,107 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:55,430 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:55,766 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:56,082 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:56,360 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:56,865 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:54:57,384 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:54:58,286 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:58,577 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:58,900 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:59,164 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:59,442 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:54:59,720 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:54:59,988 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:55:00,251 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:55:00,532 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:55:00,800 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:55:02,281 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:55:02,592 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:55:02,891 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:03,193 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:03,466 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:03,744 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:55:04,041 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:04,321 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:55:04,579 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:04,834 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:55:05,158 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:55:05,488 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:55:08,541 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:55:09,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:55:09,073 INFO L93 Difference]: Finished difference Result 5098 states and 6997 transitions. [2020-07-19 22:55:09,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-07-19 22:55:09,073 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 150 [2020-07-19 22:55:09,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:55:09,096 INFO L225 Difference]: With dead ends: 5098 [2020-07-19 22:55:09,096 INFO L226 Difference]: Without dead ends: 3419 [2020-07-19 22:55:09,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4097 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=1764, Invalid=9792, Unknown=0, NotChecked=0, Total=11556 [2020-07-19 22:55:09,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2020-07-19 22:55:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 2705. [2020-07-19 22:55:09,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2705 states. [2020-07-19 22:55:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 3287 transitions. [2020-07-19 22:55:09,749 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 3287 transitions. Word has length 150 [2020-07-19 22:55:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:55:09,750 INFO L479 AbstractCegarLoop]: Abstraction has 2705 states and 3287 transitions. [2020-07-19 22:55:09,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-19 22:55:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 3287 transitions. [2020-07-19 22:55:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-07-19 22:55:09,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:55:09,760 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:55:09,973 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:55:09,974 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:55:09,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:55:09,975 INFO L82 PathProgramCache]: Analyzing trace with hash 370366218, now seen corresponding path program 1 times [2020-07-19 22:55:09,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:55:09,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507022462] [2020-07-19 22:55:09,975 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:55:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,283 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:55:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-07-19 22:55:10,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507022462] [2020-07-19 22:55:10,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343351798] [2020-07-19 22:55:10,513 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@796a4796 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:55:10,807 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@796a4796 issued 3 check-sat command(s) [2020-07-19 22:55:10,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:55:10,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:55:10,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:55:10,964 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-19 22:55:10,964 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-19 22:55:11,044 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-19 22:55:11,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:55:11,045 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2020-07-19 22:55:11,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765901574] [2020-07-19 22:55:11,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-19 22:55:11,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:55:11,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-19 22:55:11,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:55:11,047 INFO L87 Difference]: Start difference. First operand 2705 states and 3287 transitions. Second operand 19 states. [2020-07-19 22:55:11,516 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:55:12,809 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:14,605 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:55:15,626 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:55:16,019 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:55:16,329 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:55:16,816 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-19 22:55:17,320 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-07-19 22:55:18,013 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-07-19 22:55:19,816 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:20,094 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:20,349 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:55:20,962 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:55:21,537 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:55:22,029 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-19 22:55:22,505 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-19 22:55:22,724 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:55:23,317 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-19 22:55:23,633 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:55:25,005 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-19 22:55:25,522 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-19 22:55:28,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:55:28,142 INFO L93 Difference]: Finished difference Result 8241 states and 11404 transitions. [2020-07-19 22:55:28,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-07-19 22:55:28,142 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 223 [2020-07-19 22:55:28,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:55:28,179 INFO L225 Difference]: With dead ends: 8241 [2020-07-19 22:55:28,180 INFO L226 Difference]: Without dead ends: 5882 [2020-07-19 22:55:28,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2025 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=1065, Invalid=5415, Unknown=0, NotChecked=0, Total=6480 [2020-07-19 22:55:28,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5882 states. [2020-07-19 22:55:29,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5882 to 4033. [2020-07-19 22:55:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4033 states. [2020-07-19 22:55:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4033 states to 4033 states and 4847 transitions. [2020-07-19 22:55:29,033 INFO L78 Accepts]: Start accepts. Automaton has 4033 states and 4847 transitions. Word has length 223 [2020-07-19 22:55:29,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:55:29,034 INFO L479 AbstractCegarLoop]: Abstraction has 4033 states and 4847 transitions. [2020-07-19 22:55:29,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-19 22:55:29,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4033 states and 4847 transitions. [2020-07-19 22:55:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-07-19 22:55:29,046 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:55:29,047 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:55:29,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:55:29,262 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:55:29,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:55:29,263 INFO L82 PathProgramCache]: Analyzing trace with hash 267135103, now seen corresponding path program 1 times [2020-07-19 22:55:29,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:55:29,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429365962] [2020-07-19 22:55:29,264 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@597cafb3 [2020-07-19 22:55:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,568 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:55:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:55:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 41 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-07-19 22:55:29,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429365962] [2020-07-19 22:55:29,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880926014] [2020-07-19 22:55:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71ca2b2b 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 22:55:30,259 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@71ca2b2b issued 3 check-sat command(s) [2020-07-19 22:55:30,259 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:55:30,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 22:55:30,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:55:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-19 22:55:30,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:55:30,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-19 22:55:30,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658323411] [2020-07-19 22:55:30,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:55:30,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:55:30,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:55:30,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-19 22:55:30,303 INFO L87 Difference]: Start difference. First operand 4033 states and 4847 transitions. Second operand 6 states. [2020-07-19 22:55:30,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:55:30,565 INFO L93 Difference]: Finished difference Result 5479 states and 6557 transitions. [2020-07-19 22:55:30,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 22:55:30,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2020-07-19 22:55:30,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:55:30,567 INFO L225 Difference]: With dead ends: 5479 [2020-07-19 22:55:30,567 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:55:30,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:55:30,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:55:30,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:55:30,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:55:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:55:30,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2020-07-19 22:55:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:55:30,584 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:55:30,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:55:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:55:30,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:55:30,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:55:30,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:55:32,711 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 222 [2020-07-19 22:55:34,042 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 305 [2020-07-19 22:55:40,684 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 294 [2020-07-19 22:55:41,394 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 324 [2020-07-19 22:55:42,577 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 272 [2020-07-19 22:55:42,869 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:55:44,525 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 491 DAG size of output: 308 [2020-07-19 22:55:45,570 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-19 22:55:46,413 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 11 [2020-07-19 22:55:46,585 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 22:55:46,965 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-19 22:55:48,624 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 224 DAG size of output: 31 [2020-07-19 22:55:49,011 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-19 22:55:49,653 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 28 [2020-07-19 22:55:50,563 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 13 [2020-07-19 22:55:50,724 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-19 22:55:51,390 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 13 [2020-07-19 22:55:51,695 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 16 [2020-07-19 22:55:52,307 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 22 [2020-07-19 22:55:52,504 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:55:52,889 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 18 [2020-07-19 22:55:53,327 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-07-19 22:55:53,930 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 21 [2020-07-19 22:55:55,228 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 218 DAG size of output: 25 [2020-07-19 22:55:55,404 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-19 22:55:56,660 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 231 DAG size of output: 26 [2020-07-19 22:55:57,277 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 13 [2020-07-19 22:55:57,683 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-07-19 22:55:58,063 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 17 [2020-07-19 22:55:58,473 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 26 [2020-07-19 22:55:59,271 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 22 [2020-07-19 22:55:59,452 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-19 22:55:59,624 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-19 22:56:00,200 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 13 [2020-07-19 22:56:02,030 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 213 DAG size of output: 26 [2020-07-19 22:56:02,588 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 19 [2020-07-19 22:56:03,016 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 15 [2020-07-19 22:56:03,545 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 10 [2020-07-19 22:56:04,113 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 30 [2020-07-19 22:56:04,263 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 22:56:05,059 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 30 [2020-07-19 22:56:05,499 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 22 [2020-07-19 22:56:05,658 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 22:56:06,027 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-19 22:56:06,292 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 11 [2020-07-19 22:56:06,716 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-07-19 22:56:07,222 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 13 [2020-07-19 22:56:07,389 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-19 22:56:07,729 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-07-19 22:56:07,876 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 22:56:08,245 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-19 22:56:08,932 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 28 [2020-07-19 22:56:09,306 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-19 22:56:09,689 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-07-19 22:56:09,943 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 22:56:10,114 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-19 22:56:10,829 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 20 [2020-07-19 22:56:11,709 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 16 [2020-07-19 22:56:12,340 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 30 [2020-07-19 22:56:12,452 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 19 [2020-07-19 22:56:12,853 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 11 [2020-07-19 22:56:13,018 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-07-19 22:56:15,176 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 178 DAG size of output: 16 [2020-07-19 22:56:16,079 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 24 [2020-07-19 22:56:16,229 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-19 22:56:16,233 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-19 22:56:16,234 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-19 22:56:16,234 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-19 22:56:16,234 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-19 22:56:16,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:56:16,234 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-19 22:56:16,234 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:56:16,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-19 22:56:16,235 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-19 22:56:16,235 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-19 22:56:16,235 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:56:16,235 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-19 22:56:16,236 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-19 22:56:16,236 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-19 22:56:16,236 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:56:16,236 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-19 22:56:16,236 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-19 22:56:16,236 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-19 22:56:16,237 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 528 534) the Hoare annotation is: true [2020-07-19 22:56:16,237 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 528 534) no Hoare annotation was computed. [2020-07-19 22:56:16,237 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 535 543) no Hoare annotation was computed. [2020-07-19 22:56:16,237 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 535 543) the Hoare annotation is: true [2020-07-19 22:56:16,237 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 535 543) no Hoare annotation was computed. [2020-07-19 22:56:16,237 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2020-07-19 22:56:16,237 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2020-07-19 22:56:16,238 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (not (<= 2 ~waterLevel~0)))) [2020-07-19 22:56:16,238 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-19 22:56:16,238 INFO L264 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (not (<= 2 ~waterLevel~0)))) [2020-07-19 22:56:16,238 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-07-19 22:56:16,238 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-07-19 22:56:16,238 INFO L268 CegarLoopResult]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2020-07-19 22:56:16,238 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-19 22:56:16,238 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-19 22:56:16,239 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 486 508) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:56:16,239 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 486 508) no Hoare annotation was computed. [2020-07-19 22:56:16,239 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:16,239 INFO L264 CegarLoopResult]: At program point L498-1(line 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:16,239 INFO L268 CegarLoopResult]: For program point L496(lines 496 503) no Hoare annotation was computed. [2020-07-19 22:56:16,239 INFO L268 CegarLoopResult]: For program point L496-1(lines 496 503) no Hoare annotation was computed. [2020-07-19 22:56:16,239 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-19 22:56:16,239 INFO L264 CegarLoopResult]: At program point L493(line 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:56:16,240 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 486 508) no Hoare annotation was computed. [2020-07-19 22:56:16,240 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:56:16,240 INFO L264 CegarLoopResult]: At program point L492-1(line 492) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:56:16,240 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-19 22:56:16,240 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 22:56:16,240 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 441 464) no Hoare annotation was computed. [2020-07-19 22:56:16,240 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-07-19 22:56:16,240 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 441 464) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 441 464) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-19 22:56:16,241 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 22:56:16,242 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-19 22:56:16,242 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-19 22:56:16,242 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 22:56:16,242 INFO L268 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-07-19 22:56:16,242 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:56:16,242 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-19 22:56:16,242 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-19 22:56:16,243 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:56:16,243 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-19 22:56:16,243 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-19 22:56:16,243 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 755 779) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 22:56:16,243 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-19 22:56:16,243 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse1))) [2020-07-19 22:56:16,243 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-19 22:56:16,243 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 933 947) no Hoare annotation was computed. [2020-07-19 22:56:16,243 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0)))) [2020-07-19 22:56:16,244 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-19 22:56:16,244 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 933 947) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (= 0 |old(~systemActive~0)|) (not (<= 2 ~waterLevel~0))))) [2020-07-19 22:56:16,244 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 933 947) no Hoare annotation was computed. [2020-07-19 22:56:16,244 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-07-19 22:56:16,244 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-07-19 22:56:16,244 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-07-19 22:56:16,244 INFO L268 CegarLoopResult]: For program point L923(lines 923 927) no Hoare annotation was computed. [2020-07-19 22:56:16,244 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2020-07-19 22:56:16,244 INFO L271 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: true [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point L921-1(line 921) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-07-19 22:56:16,245 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 521 527) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 521 527) the Hoare annotation is: true [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:56:16,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 473 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 473 482) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 473 482) no Hoare annotation was computed. [2020-07-19 22:56:16,247 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 839 849) the Hoare annotation is: true [2020-07-19 22:56:16,248 INFO L271 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: true [2020-07-19 22:56:16,248 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-19 22:56:16,248 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-07-19 22:56:16,248 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-07-19 22:56:16,248 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-19 22:56:16,248 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-07-19 22:56:16,248 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-07-19 22:56:16,248 INFO L268 CegarLoopResult]: For program point L662(lines 662 668) no Hoare annotation was computed. [2020-07-19 22:56:16,248 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 658 671) no Hoare annotation was computed. [2020-07-19 22:56:16,248 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 658 671) the Hoare annotation is: true [2020-07-19 22:56:16,249 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 658 671) no Hoare annotation was computed. [2020-07-19 22:56:16,249 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)) (= 0 ~systemActive~0)) [2020-07-19 22:56:16,249 INFO L268 CegarLoopResult]: For program point L800-1(lines 781 805) no Hoare annotation was computed. [2020-07-19 22:56:16,249 INFO L264 CegarLoopResult]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 22:56:16,249 INFO L264 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~7) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:56:16,249 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 781 805) no Hoare annotation was computed. [2020-07-19 22:56:16,249 INFO L268 CegarLoopResult]: For program point L789(lines 789 797) no Hoare annotation was computed. [2020-07-19 22:56:16,249 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 781 805) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-07-19 22:56:16,250 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:56:16,250 INFO L268 CegarLoopResult]: For program point L787-1(line 787) no Hoare annotation was computed. [2020-07-19 22:56:16,250 INFO L268 CegarLoopResult]: For program point L785(lines 785 802) no Hoare annotation was computed. [2020-07-19 22:56:16,250 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-19 22:56:16,250 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-19 22:56:16,250 INFO L268 CegarLoopResult]: For program point L960(lines 959 1006) no Hoare annotation was computed. [2020-07-19 22:56:16,250 INFO L264 CegarLoopResult]: At program point testENTRY(lines 949 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:56:16,250 INFO L268 CegarLoopResult]: For program point L989(lines 989 1002) no Hoare annotation was computed. [2020-07-19 22:56:16,250 INFO L268 CegarLoopResult]: For program point testFINAL(lines 949 1014) no Hoare annotation was computed. [2020-07-19 22:56:16,251 INFO L264 CegarLoopResult]: At program point L981(line 981) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2020-07-19 22:56:16,251 INFO L268 CegarLoopResult]: For program point L979(lines 979 985) no Hoare annotation was computed. [2020-07-19 22:56:16,251 INFO L268 CegarLoopResult]: For program point L979-1(lines 979 985) no Hoare annotation was computed. [2020-07-19 22:56:16,251 INFO L264 CegarLoopResult]: At program point L1004(lines 959 1006) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))))) [2020-07-19 22:56:16,251 INFO L264 CegarLoopResult]: At program point L971(line 971) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))))) [2020-07-19 22:56:16,251 INFO L268 CegarLoopResult]: For program point L969(lines 969 975) no Hoare annotation was computed. [2020-07-19 22:56:16,251 INFO L268 CegarLoopResult]: For program point L969-1(lines 969 975) no Hoare annotation was computed. [2020-07-19 22:56:16,252 INFO L268 CegarLoopResult]: For program point L961(lines 961 965) no Hoare annotation was computed. [2020-07-19 22:56:16,252 INFO L264 CegarLoopResult]: At program point L1007(lines 958 1008) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:56:16,252 INFO L264 CegarLoopResult]: At program point L997(line 997) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:56:16,252 INFO L268 CegarLoopResult]: For program point L995(lines 995 1001) no Hoare annotation was computed. [2020-07-19 22:56:16,252 INFO L268 CegarLoopResult]: For program point testEXIT(lines 949 1014) no Hoare annotation was computed. [2020-07-19 22:56:16,252 INFO L264 CegarLoopResult]: At program point L995-1(lines 989 1002) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:56:16,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:56:16,252 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 806 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 806 813) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 806 813) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 672 680) no Hoare annotation was computed. [2020-07-19 22:56:16,253 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 672 680) the Hoare annotation is: true [2020-07-19 22:56:16,253 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 672 680) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point L634(lines 634 642) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 626 648) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point L634-2(lines 634 642) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 626 648) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 626 648) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 22:56:16,254 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-19 22:56:16,255 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-19 22:56:16,256 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-19 22:56:16,256 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-19 22:56:16,256 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 511 520) no Hoare annotation was computed. [2020-07-19 22:56:16,256 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 511 520) no Hoare annotation was computed. [2020-07-19 22:56:16,256 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 511 520) no Hoare annotation was computed. [2020-07-19 22:56:16,256 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:56:16,256 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#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~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:56:16,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:56:16,257 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2020-07-19 22:56:16,257 INFO L264 CegarLoopResult]: At program point L825(line 825) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (or .cse0 .cse1 (= 0 ~pumpRunning~0) .cse2))) [2020-07-19 22:56:16,257 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 814 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-19 22:56:16,257 INFO L268 CegarLoopResult]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2020-07-19 22:56:16,257 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-07-19 22:56:16,257 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-19 22:56:16,257 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-19 22:56:16,258 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 649 657) the Hoare annotation is: true [2020-07-19 22:56:16,258 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 649 657) no Hoare annotation was computed. [2020-07-19 22:56:16,258 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 649 657) no Hoare annotation was computed. [2020-07-19 22:56:16,258 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-07-19 22:56:16,258 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-07-19 22:56:16,258 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-07-19 22:56:16,258 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-07-19 22:56:16,258 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-07-19 22:56:16,258 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-07-19 22:56:16,258 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-07-19 22:56:16,259 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:56:16,259 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:56:16,259 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:56:16,259 INFO L268 CegarLoopResult]: For program point L609-1(lines 605 616) no Hoare annotation was computed. [2020-07-19 22:56:16,259 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 605 616) the Hoare annotation is: (let ((.cse1 (not (<= 2 ~waterLevel~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= 0 ~methaneLevelCritical~0) (= 0 ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse2))) [2020-07-19 22:56:16,259 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 605 616) no Hoare annotation was computed. [2020-07-19 22:56:16,259 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)))) [2020-07-19 22:56:16,259 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-19 22:56:16,260 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse2)))) [2020-07-19 22:56:16,260 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-19 22:56:16,260 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-19 22:56:16,260 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and (not .cse0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))))) [2020-07-19 22:56:16,260 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (and .cse6 .cse0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1) (and .cse2 (not .cse3) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)))) (or (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse5) (or .cse3 (and .cse2 .cse6) .cse4 .cse5)))) [2020-07-19 22:56:16,260 INFO L271 CegarLoopResult]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2020-07-19 22:56:16,261 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2020-07-19 22:56:16,261 INFO L271 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: true [2020-07-19 22:56:16,261 INFO L268 CegarLoopResult]: For program point L414-1(line 414) no Hoare annotation was computed. [2020-07-19 22:56:16,261 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2020-07-19 22:56:16,261 INFO L271 CegarLoopResult]: At program point L433(lines 408 437) the Hoare annotation is: true [2020-07-19 22:56:16,261 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-19 22:56:16,261 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-19 22:56:16,261 INFO L271 CegarLoopResult]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2020-07-19 22:56:16,261 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-19 22:56:16,262 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 617 625) the Hoare annotation is: true [2020-07-19 22:56:16,262 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 617 625) no Hoare annotation was computed. [2020-07-19 22:56:16,262 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 617 625) no Hoare annotation was computed. [2020-07-19 22:56:16,262 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 581 592) the Hoare annotation is: (or (= 0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2020-07-19 22:56:16,262 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 581 592) no Hoare annotation was computed. [2020-07-19 22:56:16,262 INFO L268 CegarLoopResult]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2020-07-19 22:56:16,262 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2020-07-19 22:56:16,262 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2020-07-19 22:56:16,262 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:56:16,263 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:56:16,263 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:56:16,263 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:56:16,263 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-19 22:56:16,263 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 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-19 22:56:16,263 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-19 22:56:16,263 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-19 22:56:16,263 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-19 22:56:16,263 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-19 22:56:16,263 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-19 22:56:16,264 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-19 22:56:16,264 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0))) [2020-07-19 22:56:16,264 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0)) [2020-07-19 22:56:16,264 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 593 604) no Hoare annotation was computed. [2020-07-19 22:56:16,264 INFO L268 CegarLoopResult]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2020-07-19 22:56:16,264 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 593 604) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-19 22:56:16,264 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 682 689) no Hoare annotation was computed. [2020-07-19 22:56:16,264 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 686) no Hoare annotation was computed. [2020-07-19 22:56:16,265 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 682 689) the Hoare annotation is: true [2020-07-19 22:56:16,265 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 682 689) no Hoare annotation was computed. [2020-07-19 22:56:16,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:56:16 BoogieIcfgContainer [2020-07-19 22:56:16,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:56:16,284 INFO L168 Benchmark]: Toolchain (without parser) took 127005.12 ms. Allocated memory was 145.8 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 101.1 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-19 22:56:16,284 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:56:16,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.63 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 171.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:16,285 INFO L168 Benchmark]: Boogie Preprocessor took 97.05 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:16,285 INFO L168 Benchmark]: RCFGBuilder took 1185.49 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 192.9 MB in the end (delta: -25.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:56:16,286 INFO L168 Benchmark]: TraceAbstraction took 125042.46 ms. Allocated memory was 238.0 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 192.9 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2020-07-19 22:56:16,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.63 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 100.7 MB in the beginning and 171.4 MB in the end (delta: -70.7 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.05 ms. Allocated memory is still 204.5 MB. Free memory was 171.4 MB in the beginning and 167.4 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1185.49 ms. Allocated memory was 204.5 MB in the beginning and 238.0 MB in the end (delta: 33.6 MB). Free memory was 167.4 MB in the beginning and 192.9 MB in the end (delta: -25.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 125042.46 ms. Allocated memory was 238.0 MB in the beginning and 1.9 GB in the end (delta: 1.6 GB). Free memory was 192.9 MB in the beginning and 1.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 686]: 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: 958]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 79.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 65.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 45.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2090 SDtfs, 6115 SDslu, 4208 SDs, 0 SdLazy, 18590 SolverSat, 5108 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1773 GetRequests, 1470 SyntacticMatches, 1 SemanticMatches, 302 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6587 ImplicationChecksByTransitivity, 31.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4033occurred 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: 3.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 3066 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 7177 PreInvPairs, 7437 NumberOfFragments, 1500 HoareAnnotationTreeSize, 7177 FomulaSimplifications, 3995050 FormulaSimplificationTreeSizeReduction, 15.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 153451 FormulaSimplificationTreeSizeReductionInter, 29.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2250 NumberOfCodeBlocks, 2067 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2233 ConstructedInterpolants, 0 QuantifiedInterpolants, 790073 SizeOfPredicates, 17 NumberOfNonLiveVariables, 5169 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 694/766 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...