/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 22:52:29,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:52:29,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:52:29,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:52:29,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:52:29,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:52:29,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:52:29,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:52:29,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:52:29,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:52:29,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:52:29,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:52:29,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:52:29,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:52:29,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:52:29,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:52:29,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:52:29,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:52:29,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:52:29,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:52:29,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:52:29,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:52:29,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:52:29,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:52:29,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:52:29,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:52:29,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:52:29,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:52:29,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:52:29,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:52:29,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:52:29,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:52:29,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:52:29,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:52:29,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:52:29,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:52:29,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:52:29,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:52:29,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:52:29,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:52:29,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:52:29,143 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 22:52:29,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:52:29,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:52:29,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:52:29,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:52:29,163 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:52:29,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:52:29,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:52:29,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:52:29,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:52:29,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:52:29,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:52:29,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:52:29,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:52:29,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:52:29,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:52:29,166 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:52:29,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:52:29,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:52:29,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:52:29,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:52:29,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:52:29,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:52:29,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:52:29,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:52:29,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:52:29,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:52:29,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:52:29,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:52:29,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:52:29,169 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 22:52:29,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:52:29,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:52:29,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:52:29,460 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:52:29,460 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:52:29,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2020-07-19 22:52:29,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fbd57d9/d3d648ae7fe84b058020701f8005c1dc/FLAG79bc76b4b [2020-07-19 22:52:30,055 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:52:30,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2020-07-19 22:52:30,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fbd57d9/d3d648ae7fe84b058020701f8005c1dc/FLAG79bc76b4b [2020-07-19 22:52:30,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83fbd57d9/d3d648ae7fe84b058020701f8005c1dc [2020-07-19 22:52:30,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:52:30,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:52:30,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:30,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:52:30,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:52:30,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:30" (1/1) ... [2020-07-19 22:52:30,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33761369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:30, skipping insertion in model container [2020-07-19 22:52:30,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:52:30" (1/1) ... [2020-07-19 22:52:30,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:52:30,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:52:30,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:30,964 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:52:31,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:52:31,116 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:52:31,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31 WrapperNode [2020-07-19 22:52:31,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:52:31,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:52:31,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:52:31,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:52:31,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (1/1) ... [2020-07-19 22:52:31,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (1/1) ... [2020-07-19 22:52:31,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (1/1) ... [2020-07-19 22:52:31,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (1/1) ... [2020-07-19 22:52:31,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (1/1) ... [2020-07-19 22:52:31,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (1/1) ... [2020-07-19 22:52:31,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (1/1) ... [2020-07-19 22:52:31,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:52:31,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:52:31,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:52:31,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:52:31,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (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 22:52:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:52:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:52:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:52:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:52:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:52:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:52:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:52:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:52:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:52:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:52:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:52:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:52:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:52:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-19 22:52:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:52:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:52:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:52:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:52:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:52:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:52:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:52:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-19 22:52:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:52:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:52:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:52:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:52:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:52:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:52:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:52:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:52:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:52:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:52:31,299 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:52:31,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:52:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:52:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:52:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:52:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:52:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:52:31,300 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:52:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-19 22:52:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:52:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:52:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:52:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:52:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-19 22:52:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:52:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:52:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-19 22:52:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-19 22:52:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:52:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:52:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:52:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:52:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:52:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:52:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:52:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:52:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:52:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:52:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:52:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:52:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:52:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:52:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:52:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:52:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:52:31,305 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:52:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:52:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:52:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:52:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:52:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:52:31,306 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:52:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:52:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:52:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:52:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:52:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:52:31,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:52:32,336 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:52:32,337 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:52:32,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:32 BoogieIcfgContainer [2020-07-19 22:52:32,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:52:32,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:52:32,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:52:32,346 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:52:32,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:52:30" (1/3) ... [2020-07-19 22:52:32,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea7872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:32, skipping insertion in model container [2020-07-19 22:52:32,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:52:31" (2/3) ... [2020-07-19 22:52:32,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea7872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:52:32, skipping insertion in model container [2020-07-19 22:52:32,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:52:32" (3/3) ... [2020-07-19 22:52:32,350 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2020-07-19 22:52:32,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:52:32,367 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:52:32,380 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:52:32,404 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:52:32,404 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:52:32,405 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:52:32,405 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:52:32,405 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:52:32,405 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:52:32,405 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:52:32,406 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:52:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-07-19 22:52:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 22:52:32,436 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:32,437 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 22:52:32,437 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:32,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:32,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1031127634, now seen corresponding path program 1 times [2020-07-19 22:52:32,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:32,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768470883] [2020-07-19 22:52:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@735e8490 [2020-07-19 22:52:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,055 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:33,175 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 22:52:33,177 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768470883] [2020-07-19 22:52:33,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:33,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 22:52:33,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944079544] [2020-07-19 22:52:33,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 22:52:33,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:33,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 22:52:33,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:33,213 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 3 states. [2020-07-19 22:52:34,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:34,214 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-07-19 22:52:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 22:52:34,216 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 22:52:34,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:34,230 INFO L225 Difference]: With dead ends: 256 [2020-07-19 22:52:34,230 INFO L226 Difference]: Without dead ends: 139 [2020-07-19 22:52:34,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 22:52:34,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-07-19 22:52:34,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-07-19 22:52:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-07-19 22:52:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-07-19 22:52:34,312 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-07-19 22:52:34,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:34,313 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-07-19 22:52:34,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 22:52:34,313 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-07-19 22:52:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 22:52:34,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:34,318 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 22:52:34,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:52:34,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:34,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:34,320 INFO L82 PathProgramCache]: Analyzing trace with hash -303025831, now seen corresponding path program 1 times [2020-07-19 22:52:34,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:34,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003190453] [2020-07-19 22:52:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@735e8490 [2020-07-19 22:52:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,731 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:34,793 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 22:52:34,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003190453] [2020-07-19 22:52:34,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:34,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:52:34,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588610106] [2020-07-19 22:52:34,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:52:34,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:34,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:52:34,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:52:34,798 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-07-19 22:52:35,240 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:35,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:35,830 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-07-19 22:52:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 22:52:35,831 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 22:52:35,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:35,835 INFO L225 Difference]: With dead ends: 185 [2020-07-19 22:52:35,835 INFO L226 Difference]: Without dead ends: 123 [2020-07-19 22:52:35,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:52:35,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-19 22:52:35,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-07-19 22:52:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-19 22:52:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-07-19 22:52:35,867 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-07-19 22:52:35,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:35,867 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-07-19 22:52:35,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:52:35,868 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-07-19 22:52:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 22:52:35,869 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:35,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:35,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:52:35,870 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:35,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:35,870 INFO L82 PathProgramCache]: Analyzing trace with hash -111885155, now seen corresponding path program 1 times [2020-07-19 22:52:35,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:35,871 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25575652] [2020-07-19 22:52:35,871 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@735e8490 [2020-07-19 22:52:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,190 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:36,250 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 22:52:36,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25575652] [2020-07-19 22:52:36,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:36,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 22:52:36,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135166582] [2020-07-19 22:52:36,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 22:52:36,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:36,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 22:52:36,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 22:52:36,253 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states. [2020-07-19 22:52:36,641 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:36,936 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:37,167 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:37,387 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:38,260 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-07-19 22:52:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 22:52:38,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-19 22:52:38,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:38,263 INFO L225 Difference]: With dead ends: 198 [2020-07-19 22:52:38,264 INFO L226 Difference]: Without dead ends: 123 [2020-07-19 22:52:38,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:38,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-19 22:52:38,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-07-19 22:52:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-19 22:52:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-07-19 22:52:38,294 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-07-19 22:52:38,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:38,294 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-07-19 22:52:38,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 22:52:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-07-19 22:52:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:52:38,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:38,296 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] [2020-07-19 22:52:38,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:52:38,297 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:38,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:38,297 INFO L82 PathProgramCache]: Analyzing trace with hash 558328282, now seen corresponding path program 1 times [2020-07-19 22:52:38,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:38,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305109522] [2020-07-19 22:52:38,298 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@735e8490 [2020-07-19 22:52:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,607 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:38,759 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 22:52:38,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305109522] [2020-07-19 22:52:38,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:38,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:52:38,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825955951] [2020-07-19 22:52:38,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:38,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:38,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:38,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:38,763 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 12 states. [2020-07-19 22:52:39,232 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:39,527 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:39,789 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:40,023 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:40,522 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:52:41,319 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:41,618 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:41,911 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:42,146 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:52:42,371 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:42,664 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:42,995 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:52:43,242 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 22:52:44,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:44,262 INFO L93 Difference]: Finished difference Result 380 states and 506 transitions. [2020-07-19 22:52:44,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-19 22:52:44,265 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-07-19 22:52:44,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:44,269 INFO L225 Difference]: With dead ends: 380 [2020-07-19 22:52:44,269 INFO L226 Difference]: Without dead ends: 305 [2020-07-19 22:52:44,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-19 22:52:44,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-07-19 22:52:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 236. [2020-07-19 22:52:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-19 22:52:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 277 transitions. [2020-07-19 22:52:44,338 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 277 transitions. Word has length 60 [2020-07-19 22:52:44,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:44,338 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 277 transitions. [2020-07-19 22:52:44,339 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 277 transitions. [2020-07-19 22:52:44,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-19 22:52:44,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:44,341 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 22:52:44,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:52:44,342 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:44,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:44,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1767139328, now seen corresponding path program 1 times [2020-07-19 22:52:44,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:44,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774191121] [2020-07-19 22:52:44,343 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@735e8490 [2020-07-19 22:52:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,598 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:44,705 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 22:52:44,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774191121] [2020-07-19 22:52:44,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:52:44,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 22:52:44,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410933404] [2020-07-19 22:52:44,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 22:52:44,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:44,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 22:52:44,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 22:52:44,708 INFO L87 Difference]: Start difference. First operand 236 states and 277 transitions. Second operand 6 states. [2020-07-19 22:52:45,100 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:45,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:45,605 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2020-07-19 22:52:45,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:52:45,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-19 22:52:45,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:45,609 INFO L225 Difference]: With dead ends: 388 [2020-07-19 22:52:45,609 INFO L226 Difference]: Without dead ends: 176 [2020-07-19 22:52:45,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:52:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-19 22:52:45,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2020-07-19 22:52:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-19 22:52:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2020-07-19 22:52:45,649 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 64 [2020-07-19 22:52:45,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:45,649 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2020-07-19 22:52:45,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 22:52:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2020-07-19 22:52:45,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-07-19 22:52:45,651 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:52:45,651 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-19 22:52:45,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:52:45,652 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:52:45,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:52:45,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1970958153, now seen corresponding path program 1 times [2020-07-19 22:52:45,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:52:45,653 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724266895] [2020-07-19 22:52:45,653 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@735e8490 [2020-07-19 22:52:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:45,933 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:52:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-19 22:52:46,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724266895] [2020-07-19 22:52:46,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177977565] [2020-07-19 22:52:46,059 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c31cbcd No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:52:46,444 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3c31cbcd issued 3 check-sat command(s) [2020-07-19 22:52:46,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:52:46,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:52:46,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:52:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:52:46,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:52:46,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 12 [2020-07-19 22:52:46,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528592094] [2020-07-19 22:52:46,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:52:46,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:52:46,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:52:46,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:52:46,561 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 12 states. [2020-07-19 22:52:47,332 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-19 22:52:47,853 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 22:52:48,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:52:48,428 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2020-07-19 22:52:48,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 22:52:48,429 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 100 [2020-07-19 22:52:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:52:48,430 INFO L225 Difference]: With dead ends: 220 [2020-07-19 22:52:48,430 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:52:48,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-07-19 22:52:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:52:48,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:52:48,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:52:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:52:48,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-07-19 22:52:48,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:52:48,432 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:52:48,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:52:48,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:52:48,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:52:48,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-19 22:52:48,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:52:50,905 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:51,259 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:51,615 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:51,975 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:52,140 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:52,733 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:53,327 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-07-19 22:52:53,520 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 22:52:54,092 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2020-07-19 22:52:54,232 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:54,859 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 20 [2020-07-19 22:52:55,306 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:55,682 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-19 22:52:55,793 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 26 [2020-07-19 22:52:56,342 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 19 [2020-07-19 22:52:56,451 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:52:56,581 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:56,698 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:52:57,083 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:57,538 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-07-19 22:52:58,107 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 19 [2020-07-19 22:52:58,224 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:52:58,570 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:58,919 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-19 22:52:59,106 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-07-19 22:52:59,334 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point L545-1(lines 545 549) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point L539-2(lines 539 560) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 514 569) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point L561(lines 538 562) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 514 569) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 514 569) no Hoare annotation was computed. [2020-07-19 22:52:59,341 INFO L268 CegarLoopResult]: For program point L602(lines 602 606) no Hoare annotation was computed. [2020-07-19 22:52:59,342 INFO L268 CegarLoopResult]: For program point L602-1(lines 602 606) no Hoare annotation was computed. [2020-07-19 22:52:59,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 570 629) no Hoare annotation was computed. [2020-07-19 22:52:59,342 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-19 22:52:59,342 INFO L268 CegarLoopResult]: For program point L596-2(lines 596 621) no Hoare annotation was computed. [2020-07-19 22:52:59,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 570 629) no Hoare annotation was computed. [2020-07-19 22:52:59,342 INFO L268 CegarLoopResult]: For program point L622(lines 595 623) no Hoare annotation was computed. [2020-07-19 22:52:59,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 570 629) no Hoare annotation was computed. [2020-07-19 22:52:59,343 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-07-19 22:52:59,343 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-07-19 22:52:59,343 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 445 451) the Hoare annotation is: true [2020-07-19 22:52:59,343 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 445 451) no Hoare annotation was computed. [2020-07-19 22:52:59,343 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 452 460) no Hoare annotation was computed. [2020-07-19 22:52:59,343 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 452 460) the Hoare annotation is: true [2020-07-19 22:52:59,344 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 452 460) no Hoare annotation was computed. [2020-07-19 22:52:59,344 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 398 422) the Hoare annotation is: true [2020-07-19 22:52:59,344 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:59,344 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-07-19 22:52:59,344 INFO L264 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:59,344 INFO L268 CegarLoopResult]: For program point L408-1(line 408) no Hoare annotation was computed. [2020-07-19 22:52:59,344 INFO L268 CegarLoopResult]: For program point L406(lines 406 419) no Hoare annotation was computed. [2020-07-19 22:52:59,344 INFO L268 CegarLoopResult]: For program point L406-1(lines 398 422) no Hoare annotation was computed. [2020-07-19 22:52:59,344 INFO L271 CegarLoopResult]: At program point L404(line 404) the Hoare annotation is: true [2020-07-19 22:52:59,344 INFO L268 CegarLoopResult]: For program point L404-1(line 404) no Hoare annotation was computed. [2020-07-19 22:52:59,345 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 398 422) no Hoare annotation was computed. [2020-07-19 22:52:59,345 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 900 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,345 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 900 922) no Hoare annotation was computed. [2020-07-19 22:52:59,345 INFO L264 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,345 INFO L264 CegarLoopResult]: At program point L912-1(line 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= main_~tmp~8 ~waterLevel~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,345 INFO L268 CegarLoopResult]: For program point L910(lines 910 917) no Hoare annotation was computed. [2020-07-19 22:52:59,345 INFO L268 CegarLoopResult]: For program point L910-1(lines 910 917) no Hoare annotation was computed. [2020-07-19 22:52:59,346 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 900 922) no Hoare annotation was computed. [2020-07-19 22:52:59,346 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-19 22:52:59,346 INFO L264 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,346 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,346 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,346 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 859 882) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 859 882) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 859 882) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point L876(line 876) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point L875(line 875) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-07-19 22:52:59,347 INFO L268 CegarLoopResult]: For program point L873(line 873) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point L872(line 872) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point L871(line 871) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point L870(line 870) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2020-07-19 22:52:59,348 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2020-07-19 22:52:59,349 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2020-07-19 22:52:59,349 INFO L268 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-07-19 22:52:59,349 INFO L271 CegarLoopResult]: At program point L287(line 287) the Hoare annotation is: true [2020-07-19 22:52:59,349 INFO L268 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2020-07-19 22:52:59,349 INFO L268 CegarLoopResult]: For program point L287-1(line 287) no Hoare annotation was computed. [2020-07-19 22:52:59,349 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2020-07-19 22:52:59,349 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2020-07-19 22:52:59,349 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point L274(line 274) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point L274-1(line 274) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 244 279) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 244 279) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2020-07-19 22:52:59,350 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 244 279) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 438 444) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 438 444) the Hoare annotation is: true [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 468 513) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 468 513) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 468 513) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point L801(lines 801 808) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point L795(lines 795 815) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point L795-1(lines 795 815) no Hoare annotation was computed. [2020-07-19 22:52:59,351 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 781 826) no Hoare annotation was computed. [2020-07-19 22:52:59,352 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 781 826) no Hoare annotation was computed. [2020-07-19 22:52:59,352 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 781 826) no Hoare annotation was computed. [2020-07-19 22:52:59,352 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 890 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,352 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 890 899) no Hoare annotation was computed. [2020-07-19 22:52:59,352 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 890 899) no Hoare annotation was computed. [2020-07-19 22:52:59,352 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 224 234) no Hoare annotation was computed. [2020-07-19 22:52:59,352 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 224 234) no Hoare annotation was computed. [2020-07-19 22:52:59,352 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 224 234) no Hoare annotation was computed. [2020-07-19 22:52:59,353 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-19 22:52:59,353 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-07-19 22:52:59,353 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: true [2020-07-19 22:52:59,353 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2020-07-19 22:52:59,353 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2020-07-19 22:52:59,353 INFO L264 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:59,353 INFO L268 CegarLoopResult]: For program point L184-1(lines 165 189) no Hoare annotation was computed. [2020-07-19 22:52:59,353 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 165 189) no Hoare annotation was computed. [2020-07-19 22:52:59,354 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 165 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:52:59,354 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:59,354 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:59,354 INFO L268 CegarLoopResult]: For program point L173(lines 173 181) no Hoare annotation was computed. [2020-07-19 22:52:59,354 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-19 22:52:59,354 INFO L268 CegarLoopResult]: For program point L171-1(line 171) no Hoare annotation was computed. [2020-07-19 22:52:59,355 INFO L268 CegarLoopResult]: For program point L169(lines 169 186) no Hoare annotation was computed. [2020-07-19 22:52:59,355 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 157 163) no Hoare annotation was computed. [2020-07-19 22:52:59,355 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 157 163) the Hoare annotation is: true [2020-07-19 22:52:59,355 INFO L264 CegarLoopResult]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-19 22:52:59,355 INFO L268 CegarLoopResult]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2020-07-19 22:52:59,355 INFO L264 CegarLoopResult]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:52:59,355 INFO L268 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-07-19 22:52:59,355 INFO L264 CegarLoopResult]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:59,356 INFO L268 CegarLoopResult]: For program point L65(lines 64 111) no Hoare annotation was computed. [2020-07-19 22:52:59,356 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:59,356 INFO L268 CegarLoopResult]: For program point L94(lines 94 107) no Hoare annotation was computed. [2020-07-19 22:52:59,356 INFO L264 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:59,356 INFO L268 CegarLoopResult]: For program point L84(lines 84 90) no Hoare annotation was computed. [2020-07-19 22:52:59,356 INFO L268 CegarLoopResult]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2020-07-19 22:52:59,356 INFO L264 CegarLoopResult]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:59,357 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= 1 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-07-19 22:52:59,357 INFO L268 CegarLoopResult]: For program point L74(lines 74 80) no Hoare annotation was computed. [2020-07-19 22:52:59,357 INFO L268 CegarLoopResult]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2020-07-19 22:52:59,357 INFO L268 CegarLoopResult]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2020-07-19 22:52:59,357 INFO L268 CegarLoopResult]: For program point L66(lines 66 70) no Hoare annotation was computed. [2020-07-19 22:52:59,357 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 735 780) no Hoare annotation was computed. [2020-07-19 22:52:59,357 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 735 780) no Hoare annotation was computed. [2020-07-19 22:52:59,357 INFO L268 CegarLoopResult]: For program point L755(lines 755 762) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 735 780) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point L749(lines 749 769) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point L749-1(lines 749 769) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 190 197) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 190 197) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 190 197) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 388 396) no Hoare annotation was computed. [2020-07-19 22:52:59,358 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 388 396) the Hoare annotation is: true [2020-07-19 22:52:59,358 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 388 396) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point L364(lines 364 372) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point L364-2(lines 364 372) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 356 378) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 356 378) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 356 378) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 428 437) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 428 437) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 428 437) no Hoare annotation was computed. [2020-07-19 22:52:59,359 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 632 734) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L702(lines 680 703) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L661(lines 661 677) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L721(lines 721 728) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L682(lines 681 701) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L713(line 713) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L713-1(line 713) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L678(lines 678 719) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 632 734) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-07-19 22:52:59,360 INFO L268 CegarLoopResult]: For program point L697-1(line 697) no Hoare annotation was computed. [2020-07-19 22:52:59,361 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 632 734) no Hoare annotation was computed. [2020-07-19 22:52:59,361 INFO L268 CegarLoopResult]: For program point L656(lines 656 660) no Hoare annotation was computed. [2020-07-19 22:52:59,361 INFO L268 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2020-07-19 22:52:59,361 INFO L268 CegarLoopResult]: For program point L683(lines 683 687) no Hoare annotation was computed. [2020-07-19 22:52:59,361 INFO L268 CegarLoopResult]: For program point L681-2(lines 681 701) no Hoare annotation was computed. [2020-07-19 22:52:59,361 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:59,362 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~string68.offset| |old(#t~string68.offset)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point L210-1(lines 199 215) no Hoare annotation was computed. [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 199 215) no Hoare annotation was computed. [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 199 215) no Hoare annotation was computed. [2020-07-19 22:52:59,362 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-19 22:52:59,363 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 379 387) the Hoare annotation is: true [2020-07-19 22:52:59,363 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 379 387) no Hoare annotation was computed. [2020-07-19 22:52:59,363 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 379 387) no Hoare annotation was computed. [2020-07-19 22:52:59,363 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 335 346) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2))) [2020-07-19 22:52:59,363 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 335 346) no Hoare annotation was computed. [2020-07-19 22:52:59,363 INFO L268 CegarLoopResult]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2020-07-19 22:52:59,363 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:59,363 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:52:59,364 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:59,364 INFO L264 CegarLoopResult]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:59,364 INFO L264 CegarLoopResult]: At program point L144(lines 144 150) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:59,364 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 133 156) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:59,364 INFO L264 CegarLoopResult]: At program point L139(line 139) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-19 22:52:59,364 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 133 156) no Hoare annotation was computed. [2020-07-19 22:52:59,364 INFO L268 CegarLoopResult]: For program point L137(lines 136 155) no Hoare annotation was computed. [2020-07-19 22:52:59,364 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 133 156) no Hoare annotation was computed. [2020-07-19 22:52:59,365 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2020-07-19 22:52:59,365 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2020-07-19 22:52:59,365 INFO L271 CegarLoopResult]: At program point L854(lines 829 858) the Hoare annotation is: true [2020-07-19 22:52:59,365 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-19 22:52:59,365 INFO L268 CegarLoopResult]: For program point L843(lines 843 847) no Hoare annotation was computed. [2020-07-19 22:52:59,365 INFO L271 CegarLoopResult]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2020-07-19 22:52:59,365 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-19 22:52:59,365 INFO L271 CegarLoopResult]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2020-07-19 22:52:59,365 INFO L271 CegarLoopResult]: At program point L835(line 835) the Hoare annotation is: true [2020-07-19 22:52:59,365 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-19 22:52:59,365 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 347 355) no Hoare annotation was computed. [2020-07-19 22:52:59,365 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 347 355) no Hoare annotation was computed. [2020-07-19 22:52:59,366 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 347 355) no Hoare annotation was computed. [2020-07-19 22:52:59,366 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 311 322) the Hoare annotation is: true [2020-07-19 22:52:59,366 INFO L268 CegarLoopResult]: For program point L315-1(lines 311 322) no Hoare annotation was computed. [2020-07-19 22:52:59,366 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 311 322) no Hoare annotation was computed. [2020-07-19 22:52:59,366 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 883 889) no Hoare annotation was computed. [2020-07-19 22:52:59,366 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 883 889) the Hoare annotation is: true [2020-07-19 22:52:59,366 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:52:59,366 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:52:59,367 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:52:59,367 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:52:59,367 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 299 306) no Hoare annotation was computed. [2020-07-19 22:52:59,367 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 299 306) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2))) [2020-07-19 22:52:59,367 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 299 306) no Hoare annotation was computed. [2020-07-19 22:52:59,367 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 323 334) no Hoare annotation was computed. [2020-07-19 22:52:59,367 INFO L268 CegarLoopResult]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2020-07-19 22:52:59,367 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 323 334) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse2))) [2020-07-19 22:52:59,367 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:52:59,368 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-19 22:52:59,368 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-19 22:52:59,368 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-19 22:52:59,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:52:59 BoogieIcfgContainer [2020-07-19 22:52:59,382 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:52:59,384 INFO L168 Benchmark]: Toolchain (without parser) took 29025.83 ms. Allocated memory was 146.8 MB in the beginning and 562.0 MB in the end (delta: 415.2 MB). Free memory was 102.4 MB in the beginning and 487.4 MB in the end (delta: -385.0 MB). Peak memory consumption was 413.4 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:59,385 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-19 22:52:59,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.71 ms. Allocated memory was 146.8 MB in the beginning and 207.1 MB in the end (delta: 60.3 MB). Free memory was 102.0 MB in the beginning and 176.5 MB in the end (delta: -74.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:59,386 INFO L168 Benchmark]: Boogie Preprocessor took 105.24 ms. Allocated memory is still 207.1 MB. Free memory was 176.5 MB in the beginning and 172.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:59,387 INFO L168 Benchmark]: RCFGBuilder took 1119.43 ms. Allocated memory was 207.1 MB in the beginning and 233.3 MB in the end (delta: 26.2 MB). Free memory was 172.5 MB in the beginning and 195.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:59,388 INFO L168 Benchmark]: TraceAbstraction took 27039.05 ms. Allocated memory was 233.3 MB in the beginning and 562.0 MB in the end (delta: 328.7 MB). Free memory was 195.1 MB in the beginning and 487.4 MB in the end (delta: -292.3 MB). Peak memory consumption was 419.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:52:59,391 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.8 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.71 ms. Allocated memory was 146.8 MB in the beginning and 207.1 MB in the end (delta: 60.3 MB). Free memory was 102.0 MB in the beginning and 176.5 MB in the end (delta: -74.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.24 ms. Allocated memory is still 207.1 MB. Free memory was 176.5 MB in the beginning and 172.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1119.43 ms. Allocated memory was 207.1 MB in the beginning and 233.3 MB in the end (delta: 26.2 MB). Free memory was 172.5 MB in the beginning and 195.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27039.05 ms. Allocated memory was 233.3 MB in the beginning and 562.0 MB in the end (delta: 328.7 MB). Free memory was 195.1 MB in the beginning and 487.4 MB in the end (delta: -292.3 MB). Peak memory consumption was 419.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 529 SDtfs, 1157 SDslu, 369 SDs, 0 SdLazy, 2278 SolverSat, 772 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 220 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=236occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 49863 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 51 FomulaSimplificationsInter, 10443 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 469 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 132401 SizeOfPredicates, 3 NumberOfNonLiveVariables, 718 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 55/64 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...