/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_VARIABLES --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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:00:29,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:00:29,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:00:29,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:00:29,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:00:29,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:00:29,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:00:29,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:00:29,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:00:29,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:00:29,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:00:29,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:00:29,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:00:29,154 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:00:29,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:00:29,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:00:29,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:00:29,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:00:29,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:00:29,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:00:29,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:00:29,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:00:29,164 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:00:29,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:00:29,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:00:29,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:00:29,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:00:29,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:00:29,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:00:29,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:00:29,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:00:29,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:00:29,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:00:29,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:00:29,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:00:29,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:00:29,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:00:29,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:00:29,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:00:29,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:00:29,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:00:29,178 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 [2020-07-20 01:00:29,192 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:00:29,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:00:29,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:00:29,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:00:29,194 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:00:29,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:00:29,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:00:29,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:00:29,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:00:29,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:00:29,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:00:29,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:00:29,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:00:29,196 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:00:29,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:00:29,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:00:29,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:00:29,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:00:29,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:00:29,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:00:29,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:00:29,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:00:29,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:00:29,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:00:29,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:00:29,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:00:29,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:00:29,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:00:29,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:00:29,201 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_VARIABLES 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 [2020-07-20 01:00:29,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:00:29,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:00:29,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:00:29,498 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:00:29,499 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:00:29,499 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-07-20 01:00:29,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fb3770c/7b4706babf314337b40d85d7ec5587cb/FLAGf0d6f599c [2020-07-20 01:00:30,081 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:00:30,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product12.cil.c [2020-07-20 01:00:30,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fb3770c/7b4706babf314337b40d85d7ec5587cb/FLAGf0d6f599c [2020-07-20 01:00:30,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54fb3770c/7b4706babf314337b40d85d7ec5587cb [2020-07-20 01:00:30,365 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:00:30,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:00:30,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:00:30,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:00:30,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:00:30,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:30" (1/1) ... [2020-07-20 01:00:30,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f4f0d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:30, skipping insertion in model container [2020-07-20 01:00:30,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:30" (1/1) ... [2020-07-20 01:00:30,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:00:30,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:00:30,780 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:00:30,885 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:00:30,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:00:31,010 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:00:31,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31 WrapperNode [2020-07-20 01:00:31,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:00:31,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:00:31,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:00:31,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:00:31,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (1/1) ... [2020-07-20 01:00:31,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (1/1) ... [2020-07-20 01:00:31,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (1/1) ... [2020-07-20 01:00:31,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (1/1) ... [2020-07-20 01:00:31,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (1/1) ... [2020-07-20 01:00:31,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (1/1) ... [2020-07-20 01:00:31,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (1/1) ... [2020-07-20 01:00:31,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:00:31,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:00:31,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:00:31,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:00:31,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (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 [2020-07-20 01:00:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:00:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:00:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:00:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:00:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:00:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:00:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:00:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:00:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:00:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:00:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:00:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:00:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:00:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-20 01:00:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:00:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:00:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:00:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:00:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:00:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 01:00:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 01:00:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:00:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:00:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:00:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:00:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:00:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:00:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:00:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:00:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:00:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:00:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:00:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:00:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:00:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:00:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:00:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:00:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:00:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:00:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:00:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:00:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:00:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:00:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:00:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:00:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:00:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:00:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:00:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:00:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:00:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 01:00:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 01:00:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:00:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:00:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:00:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:00:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:00:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:00:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:00:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-20 01:00:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:00:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:00:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:00:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:00:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:00:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:00:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:00:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:00:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:00:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:00:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:00:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:00:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:00:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:00:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:00:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:00:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:00:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:00:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:00:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:00:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:00:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:00:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:00:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:00:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:00:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:00:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:00:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:00:32,279 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:00:32,280 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:00:32,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:32 BoogieIcfgContainer [2020-07-20 01:00:32,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:00:32,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:00:32,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:00:32,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:00:32,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:00:30" (1/3) ... [2020-07-20 01:00:32,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aadad85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:32, skipping insertion in model container [2020-07-20 01:00:32,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:31" (2/3) ... [2020-07-20 01:00:32,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aadad85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:32, skipping insertion in model container [2020-07-20 01:00:32,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:32" (3/3) ... [2020-07-20 01:00:32,293 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product12.cil.c [2020-07-20 01:00:32,304 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:00:32,312 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:00:32,326 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:00:32,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:00:32,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:00:32,351 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:00:32,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:00:32,352 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:00:32,352 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:00:32,352 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:00:32,352 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:00:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-07-20 01:00:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 01:00:32,383 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:32,384 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] [2020-07-20 01:00:32,385 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:32,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:32,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1570984683, now seen corresponding path program 1 times [2020-07-20 01:00:32,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:32,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027779627] [2020-07-20 01:00:32,400 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f3fdb3e [2020-07-20 01:00:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,077 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:33,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027779627] [2020-07-20 01:00:33,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:33,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 01:00:33,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613753267] [2020-07-20 01:00:33,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:00:33,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:33,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:00:33,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:00:33,227 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-07-20 01:00:34,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:34,180 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-07-20 01:00:34,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:00:34,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 01:00:34,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:34,197 INFO L225 Difference]: With dead ends: 228 [2020-07-20 01:00:34,198 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 01:00:34,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:00:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 01:00:34,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-07-20 01:00:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-20 01:00:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-07-20 01:00:34,280 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-07-20 01:00:34,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:34,280 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-07-20 01:00:34,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:00:34,281 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-07-20 01:00:34,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 01:00:34,284 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:34,284 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] [2020-07-20 01:00:34,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:00:34,285 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:34,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:34,286 INFO L82 PathProgramCache]: Analyzing trace with hash 492897412, now seen corresponding path program 1 times [2020-07-20 01:00:34,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:34,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405789953] [2020-07-20 01:00:34,286 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f3fdb3e [2020-07-20 01:00:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,606 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:34,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405789953] [2020-07-20 01:00:34,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:34,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:00:34,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251628042] [2020-07-20 01:00:34,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:00:34,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:34,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:00:34,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:00:34,648 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-07-20 01:00:35,110 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:35,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:35,618 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-07-20 01:00:35,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:00:35,619 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 01:00:35,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:35,623 INFO L225 Difference]: With dead ends: 148 [2020-07-20 01:00:35,623 INFO L226 Difference]: Without dead ends: 109 [2020-07-20 01:00:35,625 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 [2020-07-20 01:00:35,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-20 01:00:35,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-07-20 01:00:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-20 01:00:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-07-20 01:00:35,682 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-07-20 01:00:35,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:35,682 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-07-20 01:00:35,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:00:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-07-20 01:00:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 01:00:35,684 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:35,685 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] [2020-07-20 01:00:35,685 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:00:35,685 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:35,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:35,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1711482820, now seen corresponding path program 1 times [2020-07-20 01:00:35,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:35,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087901459] [2020-07-20 01:00:35,688 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f3fdb3e [2020-07-20 01:00:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,020 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:36,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087901459] [2020-07-20 01:00:36,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:36,155 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 01:00:36,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960919352] [2020-07-20 01:00:36,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:00:36,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:36,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:00:36,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:00:36,158 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-07-20 01:00:36,552 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:36,909 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:37,154 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:37,401 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:38,166 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:39,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:39,219 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-07-20 01:00:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:00:39,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-20 01:00:39,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:39,224 INFO L225 Difference]: With dead ends: 302 [2020-07-20 01:00:39,224 INFO L226 Difference]: Without dead ends: 241 [2020-07-20 01:00:39,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-20 01:00:39,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-07-20 01:00:39,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-07-20 01:00:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-07-20 01:00:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-07-20 01:00:39,282 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-07-20 01:00:39,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:39,283 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-07-20 01:00:39,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:00:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-07-20 01:00:39,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-20 01:00:39,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:39,286 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] [2020-07-20 01:00:39,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:00:39,287 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:39,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:39,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1961603229, now seen corresponding path program 1 times [2020-07-20 01:00:39,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:39,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801988980] [2020-07-20 01:00:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f3fdb3e [2020-07-20 01:00:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,625 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:39,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:39,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801988980] [2020-07-20 01:00:39,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:39,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 01:00:39,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334507695] [2020-07-20 01:00:39,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:00:39,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:39,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:00:39,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:00:39,752 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 11 states. [2020-07-20 01:00:40,252 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:40,573 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:40,838 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:41,082 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:41,583 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:00:42,251 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:42,582 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:42,845 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:43,095 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:00:43,329 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:43,599 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:43,889 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:00:44,147 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:00:44,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:44,646 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2020-07-20 01:00:44,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 01:00:44,647 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-07-20 01:00:44,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:44,653 INFO L225 Difference]: With dead ends: 611 [2020-07-20 01:00:44,653 INFO L226 Difference]: Without dead ends: 463 [2020-07-20 01:00:44,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-07-20 01:00:44,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-07-20 01:00:44,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2020-07-20 01:00:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-07-20 01:00:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2020-07-20 01:00:44,746 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2020-07-20 01:00:44,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:44,747 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2020-07-20 01:00:44,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:00:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2020-07-20 01:00:44,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 01:00:44,750 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:44,751 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] [2020-07-20 01:00:44,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:00:44,751 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:44,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:44,752 INFO L82 PathProgramCache]: Analyzing trace with hash 43544445, now seen corresponding path program 1 times [2020-07-20 01:00:44,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:44,752 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254289269] [2020-07-20 01:00:44,752 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f3fdb3e [2020-07-20 01:00:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,055 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:00:45,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254289269] [2020-07-20 01:00:45,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:00:45,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 01:00:45,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810523068] [2020-07-20 01:00:45,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:00:45,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:45,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:00:45,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:00:45,161 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand 5 states. [2020-07-20 01:00:45,703 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:46,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:46,270 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2020-07-20 01:00:46,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:00:46,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-07-20 01:00:46,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:46,273 INFO L225 Difference]: With dead ends: 796 [2020-07-20 01:00:46,274 INFO L226 Difference]: Without dead ends: 386 [2020-07-20 01:00:46,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-20 01:00:46,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-07-20 01:00:46,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2020-07-20 01:00:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-07-20 01:00:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2020-07-20 01:00:46,351 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2020-07-20 01:00:46,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:46,351 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2020-07-20 01:00:46,352 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:00:46,352 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2020-07-20 01:00:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 01:00:46,355 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:00:46,355 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:00:46,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:00:46,356 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:00:46,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:00:46,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1431905770, now seen corresponding path program 1 times [2020-07-20 01:00:46,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:00:46,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156402890] [2020-07-20 01:00:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f3fdb3e [2020-07-20 01:00:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,629 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:00:46,781 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-20 01:00:46,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156402890] [2020-07-20 01:00:46,782 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340817431] [2020-07-20 01:00:46,782 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a4cd599 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:00:47,245 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2a4cd599 issued 4 check-sat command(s) [2020-07-20 01:00:47,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:00:47,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:00:47,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:00:47,347 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:00:47,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:00:47,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2020-07-20 01:00:47,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582478982] [2020-07-20 01:00:47,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 01:00:47,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:00:47,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 01:00:47,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:00:47,350 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand 11 states. [2020-07-20 01:00:48,029 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-07-20 01:00:48,595 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:00:49,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:00:49,427 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2020-07-20 01:00:49,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-20 01:00:49,427 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-07-20 01:00:49,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:00:49,428 INFO L225 Difference]: With dead ends: 525 [2020-07-20 01:00:49,428 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:00:49,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:00:49,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:00:49,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:00:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:00:49,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:00:49,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-07-20 01:00:49,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:00:49,432 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:00:49,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 01:00:49,432 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:00:49,432 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:00:49,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-20 01:00:49,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:00:49,835 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 21 [2020-07-20 01:00:50,070 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 129 [2020-07-20 01:00:50,343 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 21 [2020-07-20 01:00:53,193 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:00:53,647 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:00:54,116 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:00:54,490 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:00:54,973 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-07-20 01:00:55,166 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:00:55,505 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:00:55,846 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-07-20 01:00:56,000 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-20 01:00:56,616 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 17 [2020-07-20 01:00:57,366 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-20 01:00:57,534 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-20 01:00:58,040 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 20 [2020-07-20 01:00:58,682 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 16 [2020-07-20 01:00:59,126 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-20 01:00:59,694 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 16 [2020-07-20 01:00:59,917 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-20 01:01:00,409 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-20 01:01:00,573 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2020-07-20 01:01:00,927 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-07-20 01:01:00,932 INFO L268 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-07-20 01:01:00,932 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 564 619) no Hoare annotation was computed. [2020-07-20 01:01:00,933 INFO L268 CegarLoopResult]: For program point L595-1(lines 595 599) no Hoare annotation was computed. [2020-07-20 01:01:00,933 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-07-20 01:01:00,933 INFO L268 CegarLoopResult]: For program point L589-2(lines 589 610) no Hoare annotation was computed. [2020-07-20 01:01:00,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 564 619) no Hoare annotation was computed. [2020-07-20 01:01:00,933 INFO L268 CegarLoopResult]: For program point L611(lines 588 612) no Hoare annotation was computed. [2020-07-20 01:01:00,933 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 564 619) no Hoare annotation was computed. [2020-07-20 01:01:00,933 INFO L268 CegarLoopResult]: For program point L672(lines 645 673) no Hoare annotation was computed. [2020-07-20 01:01:00,934 INFO L268 CegarLoopResult]: For program point L665(line 665) no Hoare annotation was computed. [2020-07-20 01:01:00,934 INFO L268 CegarLoopResult]: For program point L665-1(line 665) no Hoare annotation was computed. [2020-07-20 01:01:00,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 620 679) no Hoare annotation was computed. [2020-07-20 01:01:00,934 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 620 679) no Hoare annotation was computed. [2020-07-20 01:01:00,935 INFO L268 CegarLoopResult]: For program point L652(lines 652 656) no Hoare annotation was computed. [2020-07-20 01:01:00,935 INFO L268 CegarLoopResult]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2020-07-20 01:01:00,935 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 620 679) no Hoare annotation was computed. [2020-07-20 01:01:00,935 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-07-20 01:01:00,935 INFO L268 CegarLoopResult]: For program point L646-2(lines 646 671) no Hoare annotation was computed. [2020-07-20 01:01:00,935 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 399 405) the Hoare annotation is: true [2020-07-20 01:01:00,936 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 399 405) no Hoare annotation was computed. [2020-07-20 01:01:00,936 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 406 414) no Hoare annotation was computed. [2020-07-20 01:01:00,936 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 406 414) the Hoare annotation is: true [2020-07-20 01:01:00,936 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 406 414) no Hoare annotation was computed. [2020-07-20 01:01:00,936 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2020-07-20 01:01:00,936 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2020-07-20 01:01:00,936 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-20 01:01:00,937 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-20 01:01:00,937 INFO L264 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0) (or (not (= 1 ~waterLevel~0)) .cse0))) [2020-07-20 01:01:00,937 INFO L268 CegarLoopResult]: For program point L138-1(line 138) no Hoare annotation was computed. [2020-07-20 01:01:00,937 INFO L268 CegarLoopResult]: For program point L136(lines 136 149) no Hoare annotation was computed. [2020-07-20 01:01:00,937 INFO L268 CegarLoopResult]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2020-07-20 01:01:00,937 INFO L271 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: true [2020-07-20 01:01:00,937 INFO L268 CegarLoopResult]: For program point L134-1(line 134) no Hoare annotation was computed. [2020-07-20 01:01:00,937 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 488 510) 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))) [2020-07-20 01:01:00,937 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2020-07-20 01:01:00,937 INFO L264 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:01:00,938 INFO L264 CegarLoopResult]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:01:00,938 INFO L268 CegarLoopResult]: For program point L498(lines 498 505) no Hoare annotation was computed. [2020-07-20 01:01:00,938 INFO L268 CegarLoopResult]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2020-07-20 01:01:00,938 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 01:01:00,938 INFO L264 CegarLoopResult]: At program point L495(line 495) 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))) [2020-07-20 01:01:00,938 INFO L264 CegarLoopResult]: At program point L494(line 494) 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))) [2020-07-20 01:01:00,939 INFO L264 CegarLoopResult]: At program point L494-1(line 494) 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))) [2020-07-20 01:01:00,939 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2020-07-20 01:01:00,939 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 447 470) no Hoare annotation was computed. [2020-07-20 01:01:00,939 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 447 470) no Hoare annotation was computed. [2020-07-20 01:01:00,939 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 447 470) no Hoare annotation was computed. [2020-07-20 01:01:00,939 INFO L268 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-07-20 01:01:00,939 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 01:01:00,939 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 01:01:00,940 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-20 01:01:00,941 INFO L268 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-07-20 01:01:00,941 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 01:01:00,941 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 354 368) no Hoare annotation was computed. [2020-07-20 01:01:00,941 INFO L264 CegarLoopResult]: At program point L360(line 360) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 ~waterLevel~0)) .cse0) (or .cse0 (not (<= 2 ~waterLevel~0))))) [2020-07-20 01:01:00,941 INFO L268 CegarLoopResult]: For program point L358(lines 358 364) no Hoare annotation was computed. [2020-07-20 01:01:00,941 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 354 368) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 01:01:00,941 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 354 368) no Hoare annotation was computed. [2020-07-20 01:01:00,941 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 264 271) no Hoare annotation was computed. [2020-07-20 01:01:00,941 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 264 271) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 264 271) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 309 317) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 309 317) the Hoare annotation is: true [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 309 317) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point L348(line 348) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point L337(lines 337 345) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point L337-2(lines 337 345) no Hoare annotation was computed. [2020-07-20 01:01:00,942 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 318 353) no Hoare annotation was computed. [2020-07-20 01:01:00,943 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 318 353) no Hoare annotation was computed. [2020-07-20 01:01:00,943 INFO L268 CegarLoopResult]: For program point L325(lines 325 333) no Hoare annotation was computed. [2020-07-20 01:01:00,943 INFO L268 CegarLoopResult]: For program point L325-2(lines 325 333) no Hoare annotation was computed. [2020-07-20 01:01:00,943 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 318 353) no Hoare annotation was computed. [2020-07-20 01:01:00,943 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 392 398) no Hoare annotation was computed. [2020-07-20 01:01:00,943 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 392 398) the Hoare annotation is: true [2020-07-20 01:01:00,943 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 518 563) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 518 563) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 518 563) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 831 876) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point L851(lines 851 858) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point L845(lines 845 865) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point L845-1(lines 845 865) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 831 876) no Hoare annotation was computed. [2020-07-20 01:01:00,944 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 831 876) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 478 487) 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))) [2020-07-20 01:01:00,945 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 478 487) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 478 487) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 298 308) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L268 CegarLoopResult]: For program point L303(line 303) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 298 308) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 298 308) no Hoare annotation was computed. [2020-07-20 01:01:00,945 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 290 297) the Hoare annotation is: true [2020-07-20 01:01:00,946 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 290 297) no Hoare annotation was computed. [2020-07-20 01:01:00,946 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 290 297) no Hoare annotation was computed. [2020-07-20 01:01:00,946 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 257 263) no Hoare annotation was computed. [2020-07-20 01:01:00,946 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 257 263) the Hoare annotation is: true [2020-07-20 01:01:00,946 INFO L264 CegarLoopResult]: At program point testENTRY(lines 158 225) 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))) [2020-07-20 01:01:00,946 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:01:00,946 INFO L268 CegarLoopResult]: For program point L188(lines 188 194) no Hoare annotation was computed. [2020-07-20 01:01:00,946 INFO L268 CegarLoopResult]: For program point L188-1(lines 188 194) no Hoare annotation was computed. [2020-07-20 01:01:00,947 INFO L264 CegarLoopResult]: At program point L215(lines 168 217) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:01:00,947 INFO L268 CegarLoopResult]: For program point testFINAL(lines 158 225) no Hoare annotation was computed. [2020-07-20 01:01:00,947 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:01:00,947 INFO L268 CegarLoopResult]: For program point L178(lines 178 184) no Hoare annotation was computed. [2020-07-20 01:01:00,947 INFO L268 CegarLoopResult]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2020-07-20 01:01:00,947 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-20 01:01:00,947 INFO L264 CegarLoopResult]: At program point L218(lines 167 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-20 01:01:00,947 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:01:00,947 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-20 01:01:00,947 INFO L264 CegarLoopResult]: At program point L206-1(lines 198 213) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point L169(lines 168 217) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and .cse0 .cse1 (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point L198(lines 198 213) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point testEXIT(lines 158 225) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point L799(lines 799 819) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point L799-1(lines 799 819) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 785 830) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 785 830) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 785 830) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point L805(lines 805 812) no Hoare annotation was computed. [2020-07-20 01:01:00,948 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 382 391) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 382 391) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 382 391) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 682 784) no Hoare annotation was computed. [2020-07-20 01:01:00,949 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L731-2(lines 731 751) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L752(lines 730 753) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L711(lines 711 727) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 682 784) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L771(lines 771 778) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L732(lines 731 751) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L728(lines 728 769) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 682 784) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L747(line 747) no Hoare annotation was computed. [2020-07-20 01:01:00,950 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-07-20 01:01:00,951 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-07-20 01:01:00,951 INFO L268 CegarLoopResult]: For program point L770(lines 770 781) no Hoare annotation was computed. [2020-07-20 01:01:00,951 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:00,951 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.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~string3.offset| |old(#t~string3.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#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~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-20 01:01:00,951 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:00,951 INFO L268 CegarLoopResult]: For program point L284(line 284) no Hoare annotation was computed. [2020-07-20 01:01:00,951 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 273 289) no Hoare annotation was computed. [2020-07-20 01:01:00,951 INFO L268 CegarLoopResult]: For program point L284-1(lines 273 289) no Hoare annotation was computed. [2020-07-20 01:01:00,952 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 273 289) no Hoare annotation was computed. [2020-07-20 01:01:00,952 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-07-20 01:01:00,952 INFO L268 CegarLoopResult]: For program point L278(line 278) no Hoare annotation was computed. [2020-07-20 01:01:00,952 INFO L268 CegarLoopResult]: For program point L278-1(line 278) no Hoare annotation was computed. [2020-07-20 01:01:00,952 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2020-07-20 01:01:00,952 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-07-20 01:01:00,952 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-07-20 01:01:00,953 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1))) [2020-07-20 01:01:00,953 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-07-20 01:01:00,953 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-07-20 01:01:00,953 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:00,953 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:01:00,953 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:00,953 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 84 92) no Hoare annotation was computed. [2020-07-20 01:01:00,953 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-07-20 01:01:00,954 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-07-20 01:01:00,954 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0))) (let ((.cse0 (not .cse2)) (.cse1 (and (not (= 0 ~systemActive~0)) .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2020-07-20 01:01:00,954 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 01:01:00,954 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 01:01:00,954 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 01:01:00,955 INFO L268 CegarLoopResult]: For program point L237(lines 236 255) no Hoare annotation was computed. [2020-07-20 01:01:00,955 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2020-07-20 01:01:00,955 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2020-07-20 01:01:00,955 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2020-07-20 01:01:00,955 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2020-07-20 01:01:00,955 INFO L271 CegarLoopResult]: At program point L442(lines 417 446) the Hoare annotation is: true [2020-07-20 01:01:00,955 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-20 01:01:00,955 INFO L268 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2020-07-20 01:01:00,956 INFO L271 CegarLoopResult]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2020-07-20 01:01:00,956 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 01:01:00,956 INFO L271 CegarLoopResult]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2020-07-20 01:01:00,956 INFO L271 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: true [2020-07-20 01:01:00,956 INFO L268 CegarLoopResult]: For program point L423-1(line 423) no Hoare annotation was computed. [2020-07-20 01:01:00,956 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-07-20 01:01:00,956 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-07-20 01:01:00,956 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-07-20 01:01:00,957 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 471 477) no Hoare annotation was computed. [2020-07-20 01:01:00,957 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 471 477) the Hoare annotation is: true [2020-07-20 01:01:00,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:01:00,957 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:01:00,957 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:01:00,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:01:00,957 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 369 376) no Hoare annotation was computed. [2020-07-20 01:01:00,958 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 369 376) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or .cse0 (not (= 1 ~waterLevel~0)) .cse1))) [2020-07-20 01:01:00,958 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 369 376) no Hoare annotation was computed. [2020-07-20 01:01:00,958 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-07-20 01:01:00,958 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-07-20 01:01:00,958 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|))) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 01:01:00,958 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 878 885) no Hoare annotation was computed. [2020-07-20 01:01:00,958 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 882) no Hoare annotation was computed. [2020-07-20 01:01:00,959 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 878 885) the Hoare annotation is: true [2020-07-20 01:01:00,959 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 878 885) no Hoare annotation was computed. [2020-07-20 01:01:00,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:00 BoogieIcfgContainer [2020-07-20 01:01:00,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:01:00,979 INFO L168 Benchmark]: Toolchain (without parser) took 30613.05 ms. Allocated memory was 138.9 MB in the beginning and 659.0 MB in the end (delta: 520.1 MB). Free memory was 101.5 MB in the beginning and 423.8 MB in the end (delta: -322.3 MB). Peak memory consumption was 539.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:00,980 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:01:00,981 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.66 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 173.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:00,982 INFO L168 Benchmark]: Boogie Preprocessor took 90.63 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:00,983 INFO L168 Benchmark]: RCFGBuilder took 1182.09 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 203.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:00,983 INFO L168 Benchmark]: TraceAbstraction took 28691.25 ms. Allocated memory was 237.0 MB in the beginning and 659.0 MB in the end (delta: 422.1 MB). Free memory was 202.2 MB in the beginning and 423.8 MB in the end (delta: -221.5 MB). Peak memory consumption was 542.1 MB. Max. memory is 7.1 GB. [2020-07-20 01:01:00,987 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.66 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.1 MB in the beginning and 173.4 MB in the end (delta: -72.3 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.63 ms. Allocated memory is still 203.4 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1182.09 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 169.3 MB in the beginning and 203.7 MB in the end (delta: -34.4 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28691.25 ms. Allocated memory was 237.0 MB in the beginning and 659.0 MB in the end (delta: 422.1 MB). Free memory was 202.2 MB in the beginning and 423.8 MB in the end (delta: -221.5 MB). Peak memory consumption was 542.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 882]: 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: 167]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || ((2 <= waterLevel && 0 == splverifierCounter) && 0 == pumpRunning)) || ((0 == splverifierCounter && 0 == pumpRunning) && 1 == waterLevel)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 991 SDslu, 508 SDs, 0 SdLazy, 2066 SolverSat, 664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 264 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 912 HoareAnnotationTreeSize, 462 FomulaSimplifications, 87162 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 17014 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 437 NumberOfCodeBlocks, 437 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 121510 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 39/48 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...