/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_spec1_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:46:02,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:46:02,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:46:03,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:46:03,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:46:03,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:46:03,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:46:03,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:46:03,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:46:03,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:46:03,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:46:03,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:46:03,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:46:03,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:46:03,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:46:03,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:46:03,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:46:03,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:46:03,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:46:03,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:46:03,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:46:03,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:46:03,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:46:03,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:46:03,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:46:03,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:46:03,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:46:03,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:46:03,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:46:03,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:46:03,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:46:03,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:46:03,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:46:03,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:46:03,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:46:03,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:46:03,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:46:03,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:46:03,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:46:03,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:46:03,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:46:03,039 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 22:46:03,053 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:46:03,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:46:03,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:46:03,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:46:03,055 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:46:03,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:46:03,056 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:46:03,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:46:03,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:46:03,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:46:03,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:46:03,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:46:03,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:46:03,057 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:46:03,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:46:03,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:46:03,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:46:03,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:46:03,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:46:03,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:46:03,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:46:03,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:46:03,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:46:03,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:46:03,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:46:03,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:46:03,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:46:03,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:46:03,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:46:03,060 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 22:46:03,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:46:03,364 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:46:03,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:46:03,373 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:46:03,374 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:46:03,375 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-07-19 22:46:03,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5f39a40/4482673c2a5f405ebc88b4a824830613/FLAGb2244b1fa [2020-07-19 22:46:04,060 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:46:04,061 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product61.cil.c [2020-07-19 22:46:04,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5f39a40/4482673c2a5f405ebc88b4a824830613/FLAGb2244b1fa [2020-07-19 22:46:04,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5f39a40/4482673c2a5f405ebc88b4a824830613 [2020-07-19 22:46:04,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:46:04,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:46:04,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:46:04,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:46:04,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:46:04,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:46:04" (1/1) ... [2020-07-19 22:46:04,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5d60b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:04, skipping insertion in model container [2020-07-19 22:46:04,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:46:04" (1/1) ... [2020-07-19 22:46:04,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:46:04,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:46:04,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:46:04,908 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:46:05,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:46:05,065 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:46:05,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05 WrapperNode [2020-07-19 22:46:05,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:46:05,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:46:05,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:46:05,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:46:05,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (1/1) ... [2020-07-19 22:46:05,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (1/1) ... [2020-07-19 22:46:05,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (1/1) ... [2020-07-19 22:46:05,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (1/1) ... [2020-07-19 22:46:05,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (1/1) ... [2020-07-19 22:46:05,144 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (1/1) ... [2020-07-19 22:46:05,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (1/1) ... [2020-07-19 22:46:05,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:46:05,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:46:05,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:46:05,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:46:05,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (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 22:46:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:46:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:46:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:46:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:46:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:46:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:46:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:46:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:46:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:46:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:46:05,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:46:05,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:46:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:46:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:46:05,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:46:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:46:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-19 22:46:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:46:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:46:05,234 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:46:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:46:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:46:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:46:05,235 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:46:05,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:46:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:46:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:46:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:46:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:46:05,238 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:46:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:46:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:46:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:46:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:46:05,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:46:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:46:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:46:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:46:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:46:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:46:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:46:05,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:46:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:46:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:46:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:46:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:46:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:46:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:46:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:46:05,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:46:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:46:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:46:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-19 22:46:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:46:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:46:05,243 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:46:05,244 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:46:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:46:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:46:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 22:46:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:46:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:46:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:46:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:46:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:46:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:46:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:46:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:46:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:46:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:46:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:46:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:46:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:46:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:46:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:46:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:46:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:46:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:46:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:46:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:46:05,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:46:06,409 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:46:06,409 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:46:06,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:46:06 BoogieIcfgContainer [2020-07-19 22:46:06,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:46:06,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:46:06,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:46:06,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:46:06,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:46:04" (1/3) ... [2020-07-19 22:46:06,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584cea98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:46:06, skipping insertion in model container [2020-07-19 22:46:06,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:46:05" (2/3) ... [2020-07-19 22:46:06,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@584cea98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:46:06, skipping insertion in model container [2020-07-19 22:46:06,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:46:06" (3/3) ... [2020-07-19 22:46:06,423 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61.cil.c [2020-07-19 22:46:06,434 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:46:06,442 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:46:06,456 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:46:06,482 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:46:06,482 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:46:06,483 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:46:06,483 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:46:06,484 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:46:06,484 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:46:06,484 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:46:06,484 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:46:06,508 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-07-19 22:46:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:46:06,519 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:06,520 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 22:46:06,520 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:06,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:06,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1301923028, now seen corresponding path program 1 times [2020-07-19 22:46:06,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:06,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841788370] [2020-07-19 22:46:06,536 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,203 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:07,325 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 22:46:07,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841788370] [2020-07-19 22:46:07,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:07,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:46:07,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447055753] [2020-07-19 22:46:07,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:46:07,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:07,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:46:07,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:46:07,361 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 3 states. [2020-07-19 22:46:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:08,667 INFO L93 Difference]: Finished difference Result 345 states and 451 transitions. [2020-07-19 22:46:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:46:08,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:46:08,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:08,687 INFO L225 Difference]: With dead ends: 345 [2020-07-19 22:46:08,687 INFO L226 Difference]: Without dead ends: 186 [2020-07-19 22:46:08,695 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 22:46:08,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-07-19 22:46:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 150. [2020-07-19 22:46:08,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-19 22:46:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2020-07-19 22:46:08,817 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2020-07-19 22:46:08,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:08,817 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2020-07-19 22:46:08,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:46:08,818 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2020-07-19 22:46:08,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:46:08,822 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:08,822 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 22:46:08,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:46:08,822 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:08,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:08,823 INFO L82 PathProgramCache]: Analyzing trace with hash -216566915, now seen corresponding path program 1 times [2020-07-19 22:46:08,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:08,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868906027] [2020-07-19 22:46:08,824 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,155 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:09,195 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 22:46:09,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868906027] [2020-07-19 22:46:09,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:09,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:46:09,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2445879] [2020-07-19 22:46:09,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:46:09,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:09,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:46:09,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:46:09,199 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 4 states. [2020-07-19 22:46:09,706 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:10,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:10,732 INFO L93 Difference]: Finished difference Result 278 states and 342 transitions. [2020-07-19 22:46:10,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:46:10,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:46:10,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:10,736 INFO L225 Difference]: With dead ends: 278 [2020-07-19 22:46:10,738 INFO L226 Difference]: Without dead ends: 170 [2020-07-19 22:46:10,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:46:10,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-19 22:46:10,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2020-07-19 22:46:10,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-19 22:46:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2020-07-19 22:46:10,848 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2020-07-19 22:46:10,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:10,849 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2020-07-19 22:46:10,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:46:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2020-07-19 22:46:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 22:46:10,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:10,859 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 22:46:10,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:46:10,859 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:10,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:10,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1163721234, now seen corresponding path program 1 times [2020-07-19 22:46:10,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:10,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111392137] [2020-07-19 22:46:10,860 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,207 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:11,341 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 22:46:11,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111392137] [2020-07-19 22:46:11,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:11,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:46:11,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498542441] [2020-07-19 22:46:11,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:46:11,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:11,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:46:11,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:46:11,344 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 8 states. [2020-07-19 22:46:11,803 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:12,134 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:46:12,382 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:12,621 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:14,048 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2020-07-19 22:46:14,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:46:14,048 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-19 22:46:14,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:14,051 INFO L225 Difference]: With dead ends: 287 [2020-07-19 22:46:14,051 INFO L226 Difference]: Without dead ends: 170 [2020-07-19 22:46:14,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:46:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-19 22:46:14,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 141. [2020-07-19 22:46:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-19 22:46:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2020-07-19 22:46:14,099 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2020-07-19 22:46:14,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:14,100 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2020-07-19 22:46:14,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:46:14,104 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2020-07-19 22:46:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-19 22:46:14,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:14,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:14,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:46:14,107 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:14,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:14,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1315506319, now seen corresponding path program 1 times [2020-07-19 22:46:14,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:14,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049362238] [2020-07-19 22:46:14,111 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,447 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:14,567 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 22:46:14,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049362238] [2020-07-19 22:46:14,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:14,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:46:14,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356687699] [2020-07-19 22:46:14,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:46:14,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:14,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:46:14,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:46:14,571 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 6 states. [2020-07-19 22:46:14,872 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:15,962 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:16,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:16,699 INFO L93 Difference]: Finished difference Result 390 states and 484 transitions. [2020-07-19 22:46:16,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:46:16,700 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-07-19 22:46:16,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:16,704 INFO L225 Difference]: With dead ends: 390 [2020-07-19 22:46:16,704 INFO L226 Difference]: Without dead ends: 273 [2020-07-19 22:46:16,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:46:16,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-07-19 22:46:16,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 232. [2020-07-19 22:46:16,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-07-19 22:46:16,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2020-07-19 22:46:16,751 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2020-07-19 22:46:16,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:16,752 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2020-07-19 22:46:16,752 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:46:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2020-07-19 22:46:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-19 22:46:16,754 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:16,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:16,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:46:16,754 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:16,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:16,755 INFO L82 PathProgramCache]: Analyzing trace with hash -921409892, now seen corresponding path program 1 times [2020-07-19 22:46:16,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:16,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829210229] [2020-07-19 22:46:16,755 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,077 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:17,221 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 22:46:17,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829210229] [2020-07-19 22:46:17,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:17,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:46:17,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511233684] [2020-07-19 22:46:17,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:46:17,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:17,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:46:17,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:46:17,228 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2020-07-19 22:46:17,632 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:18,604 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:18,927 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:19,519 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:19,750 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:20,055 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:21,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:21,239 INFO L93 Difference]: Finished difference Result 691 states and 842 transitions. [2020-07-19 22:46:21,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:46:21,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2020-07-19 22:46:21,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:21,246 INFO L225 Difference]: With dead ends: 691 [2020-07-19 22:46:21,246 INFO L226 Difference]: Without dead ends: 483 [2020-07-19 22:46:21,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 22:46:21,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-07-19 22:46:21,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 419. [2020-07-19 22:46:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-07-19 22:46:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 478 transitions. [2020-07-19 22:46:21,331 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 478 transitions. Word has length 83 [2020-07-19 22:46:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:21,332 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 478 transitions. [2020-07-19 22:46:21,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:46:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 478 transitions. [2020-07-19 22:46:21,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-19 22:46:21,334 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:21,334 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:21,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:46:21,334 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:21,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:21,335 INFO L82 PathProgramCache]: Analyzing trace with hash 592685792, now seen corresponding path program 1 times [2020-07-19 22:46:21,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:21,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896308562] [2020-07-19 22:46:21,335 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,643 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:21,740 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 22:46:21,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896308562] [2020-07-19 22:46:21,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:21,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:46:21,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62216556] [2020-07-19 22:46:21,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:46:21,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:21,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:46:21,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:46:21,743 INFO L87 Difference]: Start difference. First operand 419 states and 478 transitions. Second operand 9 states. [2020-07-19 22:46:22,202 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:23,287 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:23,576 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:24,574 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:24,820 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:25,059 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:25,371 INFO L93 Difference]: Finished difference Result 522 states and 646 transitions. [2020-07-19 22:46:25,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:46:25,371 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-19 22:46:25,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:25,375 INFO L225 Difference]: With dead ends: 522 [2020-07-19 22:46:25,375 INFO L226 Difference]: Without dead ends: 519 [2020-07-19 22:46:25,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:46:25,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-07-19 22:46:25,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 419. [2020-07-19 22:46:25,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-07-19 22:46:25,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 477 transitions. [2020-07-19 22:46:25,455 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 477 transitions. Word has length 87 [2020-07-19 22:46:25,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:25,455 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 477 transitions. [2020-07-19 22:46:25,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:46:25,456 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 477 transitions. [2020-07-19 22:46:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 22:46:25,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:25,457 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:25,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:46:25,458 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:25,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:25,458 INFO L82 PathProgramCache]: Analyzing trace with hash -88143431, now seen corresponding path program 1 times [2020-07-19 22:46:25,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:25,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924036232] [2020-07-19 22:46:25,459 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,716 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:25,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:46:25,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924036232] [2020-07-19 22:46:25,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:25,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:46:25,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483088277] [2020-07-19 22:46:25,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:46:25,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:25,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:46:25,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:46:25,865 INFO L87 Difference]: Start difference. First operand 419 states and 477 transitions. Second operand 9 states. [2020-07-19 22:46:26,914 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:27,166 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:46:27,405 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:27,611 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:28,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:28,780 INFO L93 Difference]: Finished difference Result 922 states and 1136 transitions. [2020-07-19 22:46:28,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:46:28,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-19 22:46:28,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:28,785 INFO L225 Difference]: With dead ends: 922 [2020-07-19 22:46:28,785 INFO L226 Difference]: Without dead ends: 527 [2020-07-19 22:46:28,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:46:28,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-07-19 22:46:28,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 429. [2020-07-19 22:46:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2020-07-19 22:46:28,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 487 transitions. [2020-07-19 22:46:28,879 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 487 transitions. Word has length 103 [2020-07-19 22:46:28,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:28,880 INFO L479 AbstractCegarLoop]: Abstraction has 429 states and 487 transitions. [2020-07-19 22:46:28,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:46:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 487 transitions. [2020-07-19 22:46:28,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 22:46:28,882 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:28,882 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:28,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:46:28,883 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:28,883 INFO L82 PathProgramCache]: Analyzing trace with hash -441231813, now seen corresponding path program 1 times [2020-07-19 22:46:28,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:28,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896794850] [2020-07-19 22:46:28,884 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,123 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:29,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:46:29,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896794850] [2020-07-19 22:46:29,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:29,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:46:29,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848567981] [2020-07-19 22:46:29,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:46:29,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:29,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:46:29,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:46:29,321 INFO L87 Difference]: Start difference. First operand 429 states and 487 transitions. Second operand 11 states. [2020-07-19 22:46:30,367 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:46:30,649 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:30,857 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:31,435 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:31,673 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:31,905 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:46:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:33,196 INFO L93 Difference]: Finished difference Result 942 states and 1158 transitions. [2020-07-19 22:46:33,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:46:33,196 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-07-19 22:46:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:33,200 INFO L225 Difference]: With dead ends: 942 [2020-07-19 22:46:33,200 INFO L226 Difference]: Without dead ends: 537 [2020-07-19 22:46:33,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:46:33,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2020-07-19 22:46:33,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 437. [2020-07-19 22:46:33,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2020-07-19 22:46:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2020-07-19 22:46:33,286 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2020-07-19 22:46:33,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:33,287 INFO L479 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2020-07-19 22:46:33,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:46:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2020-07-19 22:46:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-19 22:46:33,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:33,292 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:33,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:46:33,292 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:33,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:33,293 INFO L82 PathProgramCache]: Analyzing trace with hash 691958780, now seen corresponding path program 1 times [2020-07-19 22:46:33,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:33,293 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116494950] [2020-07-19 22:46:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,578 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:46:33,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116494950] [2020-07-19 22:46:33,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:46:33,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 22:46:33,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106268246] [2020-07-19 22:46:33,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 22:46:33,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:33,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 22:46:33,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:46:33,793 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 7 states. [2020-07-19 22:46:34,273 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:34,704 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:46:36,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:36,884 INFO L93 Difference]: Finished difference Result 1265 states and 1606 transitions. [2020-07-19 22:46:36,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-19 22:46:36,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-07-19 22:46:36,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:36,890 INFO L225 Difference]: With dead ends: 1265 [2020-07-19 22:46:36,890 INFO L226 Difference]: Without dead ends: 852 [2020-07-19 22:46:36,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:46:36,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2020-07-19 22:46:37,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 753. [2020-07-19 22:46:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-19 22:46:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 889 transitions. [2020-07-19 22:46:37,011 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 889 transitions. Word has length 103 [2020-07-19 22:46:37,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:37,011 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 889 transitions. [2020-07-19 22:46:37,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 22:46:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 889 transitions. [2020-07-19 22:46:37,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-19 22:46:37,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:37,013 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:37,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-19 22:46:37,014 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:37,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:37,014 INFO L82 PathProgramCache]: Analyzing trace with hash -867723262, now seen corresponding path program 1 times [2020-07-19 22:46:37,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:37,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715519120] [2020-07-19 22:46:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,277 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:46:37,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715519120] [2020-07-19 22:46:37,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566015682] [2020-07-19 22:46:37,570 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3cf389f2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:46:38,034 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3cf389f2 issued 4 check-sat command(s) [2020-07-19 22:46:38,034 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:46:38,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:46:38,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:46:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:46:38,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:46:38,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-19 22:46:38,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974755922] [2020-07-19 22:46:38,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:46:38,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:38,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:46:38,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:46:38,242 INFO L87 Difference]: Start difference. First operand 753 states and 889 transitions. Second operand 8 states. [2020-07-19 22:46:38,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:38,752 INFO L93 Difference]: Finished difference Result 1446 states and 1719 transitions. [2020-07-19 22:46:38,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:46:38,752 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-07-19 22:46:38,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:38,757 INFO L225 Difference]: With dead ends: 1446 [2020-07-19 22:46:38,758 INFO L226 Difference]: Without dead ends: 717 [2020-07-19 22:46:38,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-19 22:46:38,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-07-19 22:46:38,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717. [2020-07-19 22:46:38,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-07-19 22:46:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 832 transitions. [2020-07-19 22:46:38,899 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 832 transitions. Word has length 107 [2020-07-19 22:46:38,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:38,900 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 832 transitions. [2020-07-19 22:46:38,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:46:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 832 transitions. [2020-07-19 22:46:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-07-19 22:46:38,903 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:46:38,904 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:46:39,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:46:39,119 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:46:39,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:46:39,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1713415852, now seen corresponding path program 1 times [2020-07-19 22:46:39,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:46:39,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668397137] [2020-07-19 22:46:39,121 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@205d1b6 [2020-07-19 22:46:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,412 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:46:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-19 22:46:39,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668397137] [2020-07-19 22:46:39,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603407958] [2020-07-19 22:46:39,685 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@73ff0ae6 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 22:46:40,431 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@73ff0ae6 issued 4 check-sat command(s) [2020-07-19 22:46:40,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:46:40,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 22:46:40,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:46:40,605 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 22:46:40,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 22:46:40,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 22:46:40,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276177126] [2020-07-19 22:46:40,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:46:40,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:46:40,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:46:40,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:46:40,608 INFO L87 Difference]: Start difference. First operand 717 states and 832 transitions. Second operand 8 states. [2020-07-19 22:46:41,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:46:41,076 INFO L93 Difference]: Finished difference Result 1202 states and 1420 transitions. [2020-07-19 22:46:41,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:46:41,076 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-07-19 22:46:41,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:46:41,077 INFO L225 Difference]: With dead ends: 1202 [2020-07-19 22:46:41,078 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:46:41,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 22:46:41,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:46:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:46:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:46:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:46:41,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-07-19 22:46:41,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:46:41,083 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:46:41,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:46:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:46:41,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:46:41,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:46:41,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:46:42,010 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-19 22:46:42,195 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 200 [2020-07-19 22:46:42,447 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-19 22:46:42,551 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 198 [2020-07-19 22:46:43,251 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-07-19 22:46:44,745 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-07-19 22:46:45,694 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 244 [2020-07-19 22:46:46,044 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 242 [2020-07-19 22:46:47,146 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-19 22:46:47,317 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:46:47,492 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:46:47,683 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-19 22:46:47,844 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-19 22:46:48,040 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 19 [2020-07-19 22:46:48,936 WARN L193 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 23 [2020-07-19 22:46:49,106 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:46:49,276 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:46:49,476 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:46:50,385 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 25 [2020-07-19 22:46:50,896 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-19 22:46:51,445 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 20 [2020-07-19 22:46:51,638 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-07-19 22:46:52,130 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 18 [2020-07-19 22:46:52,307 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-19 22:46:52,820 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-19 22:46:53,340 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-19 22:46:53,531 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:46:54,047 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-07-19 22:46:54,577 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-19 22:46:55,264 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-19 22:46:55,824 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-07-19 22:46:56,492 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-19 22:46:57,024 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 19 [2020-07-19 22:46:57,209 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:57,401 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:46:57,896 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 18 [2020-07-19 22:46:58,099 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 22:46:58,295 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 9 [2020-07-19 22:46:59,191 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 25 [2020-07-19 22:46:59,354 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-07-19 22:46:59,517 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:47:00,474 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-19 22:47:00,698 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 18 [2020-07-19 22:47:01,212 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 23 [2020-07-19 22:47:01,387 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-19 22:47:01,564 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:47:01,727 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-19 22:47:02,623 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2020-07-19 22:47:03,122 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-07-19 22:47:03,340 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-19 22:47:04,180 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 25 [2020-07-19 22:47:04,351 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:47:04,546 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-19 22:47:05,006 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-19 22:47:05,178 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 22 [2020-07-19 22:47:05,357 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-19 22:47:05,561 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 19 [2020-07-19 22:47:06,106 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 19 [2020-07-19 22:47:06,617 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-07-19 22:47:06,621 INFO L268 CegarLoopResult]: For program point L730(lines 707 731) no Hoare annotation was computed. [2020-07-19 22:47:06,622 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 683 738) no Hoare annotation was computed. [2020-07-19 22:47:06,622 INFO L268 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-07-19 22:47:06,622 INFO L268 CegarLoopResult]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2020-07-19 22:47:06,622 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2020-07-19 22:47:06,622 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-19 22:47:06,622 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2020-07-19 22:47:06,623 INFO L268 CegarLoopResult]: For program point L708-2(lines 708 729) no Hoare annotation was computed. [2020-07-19 22:47:06,623 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-19 22:47:06,623 INFO L268 CegarLoopResult]: For program point L765-2(lines 765 790) no Hoare annotation was computed. [2020-07-19 22:47:06,623 INFO L268 CegarLoopResult]: For program point L791(lines 764 792) no Hoare annotation was computed. [2020-07-19 22:47:06,623 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2020-07-19 22:47:06,623 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-19 22:47:06,623 INFO L268 CegarLoopResult]: For program point L784-1(line 784) no Hoare annotation was computed. [2020-07-19 22:47:06,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2020-07-19 22:47:06,624 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2020-07-19 22:47:06,624 INFO L268 CegarLoopResult]: For program point L771(lines 771 775) no Hoare annotation was computed. [2020-07-19 22:47:06,624 INFO L268 CegarLoopResult]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2020-07-19 22:47:06,624 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-19 22:47:06,624 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-19 22:47:06,625 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:47:06,625 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-19 22:47:06,625 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-19 22:47:06,625 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,625 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2020-07-19 22:47:06,625 INFO L264 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,625 INFO L264 CegarLoopResult]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 main_~tmp~1) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,626 INFO L268 CegarLoopResult]: For program point L310(lines 310 317) no Hoare annotation was computed. [2020-07-19 22:47:06,626 INFO L268 CegarLoopResult]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2020-07-19 22:47:06,626 INFO L268 CegarLoopResult]: For program point L308(line 308) no Hoare annotation was computed. [2020-07-19 22:47:06,626 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,626 INFO L264 CegarLoopResult]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,626 INFO L264 CegarLoopResult]: At program point L306-1(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point L273(line 273) no Hoare annotation was computed. [2020-07-19 22:47:06,627 INFO L268 CegarLoopResult]: For program point L272(line 272) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L270(line 270) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L264(line 264) no Hoare annotation was computed. [2020-07-19 22:47:06,628 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-07-19 22:47:06,629 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 22:47:06,629 INFO L268 CegarLoopResult]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2020-07-19 22:47:06,629 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:47:06,629 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 22:47:06,629 INFO L264 CegarLoopResult]: At program point L397(line 397) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:47:06,629 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2020-07-19 22:47:06,630 INFO L268 CegarLoopResult]: For program point L395(lines 395 403) no Hoare annotation was computed. [2020-07-19 22:47:06,630 INFO L264 CegarLoopResult]: At program point L393(line 393) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:47:06,630 INFO L268 CegarLoopResult]: For program point L393-1(line 393) no Hoare annotation was computed. [2020-07-19 22:47:06,630 INFO L268 CegarLoopResult]: For program point L391(lines 391 408) no Hoare annotation was computed. [2020-07-19 22:47:06,630 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2020-07-19 22:47:06,630 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2020-07-19 22:47:06,630 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2020-07-19 22:47:06,630 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2020-07-19 22:47:06,631 INFO L271 CegarLoopResult]: At program point L553(line 553) the Hoare annotation is: true [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L553-1(line 553) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L510(lines 510 518) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L510-2(lines 510 518) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L498(lines 498 506) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 491 526) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-19 22:47:06,631 INFO L268 CegarLoopResult]: For program point L521-1(line 521) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 637 682) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 950 995) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2020-07-19 22:47:06,632 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point L964(lines 964 984) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2020-07-19 22:47:06,633 INFO L271 CegarLoopResult]: At program point L476(line 476) the Hoare annotation is: true [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2020-07-19 22:47:06,633 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2020-07-19 22:47:06,634 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-19 22:47:06,634 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2020-07-19 22:47:06,634 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2020-07-19 22:47:06,634 INFO L268 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-07-19 22:47:06,634 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2020-07-19 22:47:06,634 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2020-07-19 22:47:06,634 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2020-07-19 22:47:06,634 INFO L268 CegarLoopResult]: For program point L417(lines 417 434) no Hoare annotation was computed. [2020-07-19 22:47:06,635 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2020-07-19 22:47:06,635 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:47:06,635 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 22:47:06,635 INFO L268 CegarLoopResult]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2020-07-19 22:47:06,635 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-19 22:47:06,635 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-19 22:47:06,636 INFO L268 CegarLoopResult]: For program point L421(lines 421 429) no Hoare annotation was computed. [2020-07-19 22:47:06,636 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse1 .cse2))) [2020-07-19 22:47:06,636 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-19 22:47:06,636 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2020-07-19 22:47:06,636 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2020-07-19 22:47:06,636 INFO L264 CegarLoopResult]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,636 INFO L268 CegarLoopResult]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2020-07-19 22:47:06,637 INFO L264 CegarLoopResult]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:47:06,637 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-19 22:47:06,637 INFO L264 CegarLoopResult]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:47:06,637 INFO L268 CegarLoopResult]: For program point L577(lines 576 621) no Hoare annotation was computed. [2020-07-19 22:47:06,637 INFO L268 CegarLoopResult]: For program point L606(lines 606 617) no Hoare annotation was computed. [2020-07-19 22:47:06,637 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:47:06,637 INFO L268 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2020-07-19 22:47:06,637 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2020-07-19 22:47:06,638 INFO L264 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:47:06,638 INFO L264 CegarLoopResult]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-19 22:47:06,638 INFO L268 CegarLoopResult]: For program point L586(lines 586 592) no Hoare annotation was computed. [2020-07-19 22:47:06,638 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2020-07-19 22:47:06,638 INFO L268 CegarLoopResult]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2020-07-19 22:47:06,638 INFO L268 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2020-07-19 22:47:06,638 INFO L268 CegarLoopResult]: For program point L924(lines 924 931) no Hoare annotation was computed. [2020-07-19 22:47:06,638 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L268 CegarLoopResult]: For program point L918(lines 918 938) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L268 CegarLoopResult]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 904 949) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,639 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2020-07-19 22:47:06,639 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:47:06,640 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point L830(lines 830 846) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point L890(lines 890 897) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point L851(lines 850 870) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point L882-1(line 882) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point L847(lines 847 888) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2020-07-19 22:47:06,641 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point L825(lines 825 829) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point L889(lines 889 900) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point L852(lines 852 856) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point L850-2(lines 850 870) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point L871(lines 849 872) no Hoare annotation was computed. [2020-07-19 22:47:06,642 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:47:06,643 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.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~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:47:06,643 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:47:06,643 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2020-07-19 22:47:06,643 INFO L264 CegarLoopResult]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:47:06,643 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-19 22:47:06,643 INFO L268 CegarLoopResult]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2020-07-19 22:47:06,643 INFO L268 CegarLoopResult]: For program point L453(lines 453 459) no Hoare annotation was computed. [2020-07-19 22:47:06,644 INFO L264 CegarLoopResult]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-19 22:47:06,644 INFO L268 CegarLoopResult]: For program point L451-1(line 451) no Hoare annotation was computed. [2020-07-19 22:47:06,644 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2020-07-19 22:47:06,644 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2020-07-19 22:47:06,644 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2020-07-19 22:47:06,644 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2020-07-19 22:47:06,644 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-07-19 22:47:06,644 INFO L271 CegarLoopResult]: At program point L534(line 534) the Hoare annotation is: true [2020-07-19 22:47:06,644 INFO L268 CegarLoopResult]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2020-07-19 22:47:06,645 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2020-07-19 22:47:06,645 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-19 22:47:06,645 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2020-07-19 22:47:06,645 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~methaneLevelCritical~0)| 0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse1))) [2020-07-19 22:47:06,645 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2020-07-19 22:47:06,645 INFO L268 CegarLoopResult]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2020-07-19 22:47:06,645 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:47:06,645 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:47:06,646 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:47:06,646 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2020-07-19 22:47:06,646 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2020-07-19 22:47:06,646 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2020-07-19 22:47:06,646 INFO L264 CegarLoopResult]: At program point L342(line 342) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse0 (and .cse3 (not (= 0 |old(~pumpRunning~0)|)))) (.cse1 (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2)))) [2020-07-19 22:47:06,646 INFO L264 CegarLoopResult]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and .cse6 .cse5)) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 (not (= 1 |old(~waterLevel~0)|)) .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4)))) [2020-07-19 22:47:06,646 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:47:06,647 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:47:06,647 INFO L268 CegarLoopResult]: For program point L333(lines 332 351) no Hoare annotation was computed. [2020-07-19 22:47:06,647 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2020-07-19 22:47:06,647 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2020-07-19 22:47:06,647 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2020-07-19 22:47:06,647 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2020-07-19 22:47:06,647 INFO L271 CegarLoopResult]: At program point L252(lines 227 256) the Hoare annotation is: true [2020-07-19 22:47:06,647 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-07-19 22:47:06,647 INFO L268 CegarLoopResult]: For program point L241(lines 241 245) no Hoare annotation was computed. [2020-07-19 22:47:06,648 INFO L271 CegarLoopResult]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2020-07-19 22:47:06,648 INFO L268 CegarLoopResult]: For program point L238(line 238) no Hoare annotation was computed. [2020-07-19 22:47:06,648 INFO L271 CegarLoopResult]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2020-07-19 22:47:06,648 INFO L271 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: true [2020-07-19 22:47:06,648 INFO L268 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-07-19 22:47:06,648 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:47:06,648 INFO L268 CegarLoopResult]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2020-07-19 22:47:06,648 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2020-07-19 22:47:06,649 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2020-07-19 22:47:06,649 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2020-07-19 22:47:06,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:47:06,649 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 22:47:06,649 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:47:06,649 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:47:06,649 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-19 22:47:06,649 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1) (or .cse2 .cse0 .cse1))) [2020-07-19 22:47:06,650 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2020-07-19 22:47:06,650 INFO L268 CegarLoopResult]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2020-07-19 22:47:06,650 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2))) [2020-07-19 22:47:06,650 INFO L264 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: (let ((.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2))) [2020-07-19 22:47:06,650 INFO L268 CegarLoopResult]: For program point L369(lines 369 377) no Hoare annotation was computed. [2020-07-19 22:47:06,650 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse0) .cse3 .cse2) (or .cse1 .cse3 .cse2))) [2020-07-19 22:47:06,650 INFO L268 CegarLoopResult]: For program point L367-1(line 367) no Hoare annotation was computed. [2020-07-19 22:47:06,651 INFO L268 CegarLoopResult]: For program point L365(lines 365 382) no Hoare annotation was computed. [2020-07-19 22:47:06,651 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2020-07-19 22:47:06,651 INFO L268 CegarLoopResult]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2020-07-19 22:47:06,651 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 22:47:06,651 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2020-07-19 22:47:06,651 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-07-19 22:47:06,651 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2020-07-19 22:47:06,651 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2020-07-19 22:47:06,652 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2020-07-19 22:47:06,652 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2020-07-19 22:47:06,652 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-19 22:47:06,652 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-07-19 22:47:06,652 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:47:06,652 INFO L268 CegarLoopResult]: For program point L209-1(line 209) no Hoare annotation was computed. [2020-07-19 22:47:06,652 INFO L268 CegarLoopResult]: For program point L207(lines 207 220) no Hoare annotation was computed. [2020-07-19 22:47:06,652 INFO L268 CegarLoopResult]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2020-07-19 22:47:06,652 INFO L271 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: true [2020-07-19 22:47:06,653 INFO L268 CegarLoopResult]: For program point L205-1(line 205) no Hoare annotation was computed. [2020-07-19 22:47:06,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:47:06 BoogieIcfgContainer [2020-07-19 22:47:06,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:47:06,683 INFO L168 Benchmark]: Toolchain (without parser) took 62347.01 ms. Allocated memory was 144.7 MB in the beginning and 868.2 MB in the end (delta: 723.5 MB). Free memory was 101.5 MB in the beginning and 529.5 MB in the end (delta: -428.0 MB). Peak memory consumption was 727.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:47:06,686 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 22:47:06,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.44 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 169.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:47:06,695 INFO L168 Benchmark]: Boogie Preprocessor took 92.18 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 165.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:47:06,696 INFO L168 Benchmark]: RCFGBuilder took 1255.38 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.1 MB in the beginning and 193.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-07-19 22:47:06,696 INFO L168 Benchmark]: TraceAbstraction took 60260.48 ms. Allocated memory was 234.4 MB in the beginning and 868.2 MB in the end (delta: 633.9 MB). Free memory was 192.0 MB in the beginning and 529.5 MB in the end (delta: -337.5 MB). Peak memory consumption was 728.2 MB. Max. memory is 7.1 GB. [2020-07-19 22:47:06,701 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 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.44 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.1 MB in the beginning and 169.3 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.18 ms. Allocated memory is still 202.4 MB. Free memory was 169.3 MB in the beginning and 165.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.38 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 165.1 MB in the beginning and 193.4 MB in the end (delta: -28.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 60260.48 ms. Allocated memory was 234.4 MB in the beginning and 868.2 MB in the end (delta: 633.9 MB). Free memory was 192.0 MB in the beginning and 529.5 MB in the end (delta: -337.5 MB). Peak memory consumption was 728.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == systemActive)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 26.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 25.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1801 SDtfs, 2335 SDslu, 3068 SDs, 0 SdLazy, 6103 SolverSat, 1356 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 754 GetRequests, 614 SyntacticMatches, 6 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 10.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=753occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 596 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1723 PreInvPairs, 1810 NumberOfFragments, 1697 HoareAnnotationTreeSize, 1723 FomulaSimplifications, 22556755 FormulaSimplificationTreeSizeReduction, 5.0s HoareSimplificationTime, 68 FomulaSimplificationsInter, 2231120 FormulaSimplificationTreeSizeReductionInter, 20.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1258 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1245 ConstructedInterpolants, 0 QuantifiedInterpolants, 407826 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1707 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 114/119 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...