/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:39:16,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:39:16,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:39:16,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:39:16,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:39:16,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:39:16,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:39:16,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:39:16,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:39:16,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:39:16,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:39:16,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:39:16,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:39:16,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:39:16,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:39:16,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:39:16,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:39:16,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:39:16,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:39:16,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:39:16,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:39:16,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:39:16,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:39:16,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:39:16,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:39:16,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:39:16,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:39:16,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:39:16,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:39:16,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:39:16,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:39:16,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:39:16,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:39:16,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:39:16,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:39:16,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:39:16,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:39:16,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:39:16,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:39:16,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:39:16,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:39:16,201 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 [2020-07-21 15:39:16,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:39:16,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:39:16,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:39:16,235 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:39:16,235 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:39:16,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:39:16,235 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:39:16,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:39:16,236 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:39:16,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:39:16,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:39:16,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:39:16,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:39:16,237 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:39:16,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:39:16,238 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:39:16,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:39:16,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:39:16,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:39:16,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:39:16,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:39:16,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:39:16,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:39:16,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:39:16,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:39:16,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:39:16,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:16,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:39:16,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:39:16,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC 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 -> 2 [2020-07-21 15:39:16,548 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:39:16,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:39:16,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:39:16,565 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:39:16,566 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:39:16,566 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-07-21 15:39:16,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a674d188/8956e83951b44087b765a451cbd851c0/FLAG2528e35a2 [2020-07-21 15:39:17,152 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:39:17,155 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2020-07-21 15:39:17,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a674d188/8956e83951b44087b765a451cbd851c0/FLAG2528e35a2 [2020-07-21 15:39:17,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a674d188/8956e83951b44087b765a451cbd851c0 [2020-07-21 15:39:17,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:39:17,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:39:17,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:17,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:39:17,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:39:17,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:17" (1/1) ... [2020-07-21 15:39:17,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f102d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:17, skipping insertion in model container [2020-07-21 15:39:17,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:39:17" (1/1) ... [2020-07-21 15:39:17,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:39:17,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:39:17,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:17,922 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:39:18,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:39:18,050 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:39:18,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18 WrapperNode [2020-07-21 15:39:18,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:39:18,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:39:18,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:39:18,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:39:18,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (1/1) ... [2020-07-21 15:39:18,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (1/1) ... [2020-07-21 15:39:18,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (1/1) ... [2020-07-21 15:39:18,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (1/1) ... [2020-07-21 15:39:18,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (1/1) ... [2020-07-21 15:39:18,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (1/1) ... [2020-07-21 15:39:18,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (1/1) ... [2020-07-21 15:39:18,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:39:18,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:39:18,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:39:18,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:39:18,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (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 [2020-07-21 15:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 15:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:39:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:39:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:39:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:39:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:39:18,210 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:39:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:39:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:39:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:39:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:39:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:39:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:39:18,211 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:39:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:39:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:39:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:39:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:39:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:39:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:39:18,212 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:39:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:39:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:39:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:39:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 15:39:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 15:39:18,213 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:39:18,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:39:18,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:39:18,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:39:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:39:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:39:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:39:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:39:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:39:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:39:19,317 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:39:19,317 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:39:19,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:19 BoogieIcfgContainer [2020-07-21 15:39:19,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:39:19,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:39:19,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:39:19,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:39:19,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:39:17" (1/3) ... [2020-07-21 15:39:19,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239e8d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:19, skipping insertion in model container [2020-07-21 15:39:19,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:39:18" (2/3) ... [2020-07-21 15:39:19,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@239e8d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:39:19, skipping insertion in model container [2020-07-21 15:39:19,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:39:19" (3/3) ... [2020-07-21 15:39:19,335 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2020-07-21 15:39:19,346 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:39:19,355 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:39:19,370 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:39:19,392 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:39:19,392 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:39:19,392 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:39:19,392 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:39:19,392 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:39:19,393 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:39:19,393 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:39:19,393 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:39:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-07-21 15:39:19,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 15:39:19,420 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:19,421 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] [2020-07-21 15:39:19,422 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:19,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:19,427 INFO L82 PathProgramCache]: Analyzing trace with hash -411226988, now seen corresponding path program 1 times [2020-07-21 15:39:19,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:19,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860077099] [2020-07-21 15:39:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:19,797 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:19,797 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:19,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:39:19,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:19,841 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:19,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860077099] [2020-07-21 15:39:19,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:19,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:39:19,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687055437] [2020-07-21 15:39:19,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:39:19,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:19,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:39:19,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:39:19,868 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2020-07-21 15:39:19,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:19,905 INFO L93 Difference]: Finished difference Result 170 states and 213 transitions. [2020-07-21 15:39:19,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:39:19,907 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 15:39:19,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:19,920 INFO L225 Difference]: With dead ends: 170 [2020-07-21 15:39:19,920 INFO L226 Difference]: Without dead ends: 85 [2020-07-21 15:39:19,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:39:19,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-21 15:39:19,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-21 15:39:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-21 15:39:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-07-21 15:39:19,977 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2020-07-21 15:39:19,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:19,978 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-07-21 15:39:19,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:39:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-07-21 15:39:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 15:39:19,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:19,987 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] [2020-07-21 15:39:20,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:20,203 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:20,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2028775312, now seen corresponding path program 1 times [2020-07-21 15:39:20,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:20,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288352764] [2020-07-21 15:39:20,206 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:20,562 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:20,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:20,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:39:20,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:20,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:20,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288352764] [2020-07-21 15:39:20,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:20,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:39:20,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580973057] [2020-07-21 15:39:20,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:39:20,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:20,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:39:20,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:20,625 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2020-07-21 15:39:20,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:20,641 INFO L93 Difference]: Finished difference Result 115 states and 131 transitions. [2020-07-21 15:39:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:39:20,641 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 15:39:20,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:20,643 INFO L225 Difference]: With dead ends: 115 [2020-07-21 15:39:20,644 INFO L226 Difference]: Without dead ends: 76 [2020-07-21 15:39:20,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:20,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-21 15:39:20,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-21 15:39:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-21 15:39:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2020-07-21 15:39:20,656 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2020-07-21 15:39:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:20,657 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2020-07-21 15:39:20,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:39:20,657 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2020-07-21 15:39:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 15:39:20,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:20,659 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] [2020-07-21 15:39:20,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:20,874 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:20,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:20,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1248622688, now seen corresponding path program 1 times [2020-07-21 15:39:20,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:20,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281536566] [2020-07-21 15:39:20,876 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:21,162 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:21,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:21,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:39:21,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:21,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:21,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281536566] [2020-07-21 15:39:21,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:21,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:39:21,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105501135] [2020-07-21 15:39:21,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:39:21,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:21,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:39:21,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:21,202 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 3 states. [2020-07-21 15:39:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:21,216 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2020-07-21 15:39:21,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:39:21,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 15:39:21,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:21,219 INFO L225 Difference]: With dead ends: 128 [2020-07-21 15:39:21,219 INFO L226 Difference]: Without dead ends: 76 [2020-07-21 15:39:21,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:39:21,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-07-21 15:39:21,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-07-21 15:39:21,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-07-21 15:39:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2020-07-21 15:39:21,231 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2020-07-21 15:39:21,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:21,231 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2020-07-21 15:39:21,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:39:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2020-07-21 15:39:21,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-21 15:39:21,233 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:39:21,234 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] [2020-07-21 15:39:21,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:21,449 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:39:21,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:39:21,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1945130529, now seen corresponding path program 1 times [2020-07-21 15:39:21,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:39:21,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [44469735] [2020-07-21 15:39:21,451 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:21,788 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:39:21,788 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:39:21,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:39:21,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:39:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:39:21,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:39:21,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [44469735] [2020-07-21 15:39:21,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:39:21,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:39:21,836 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184270524] [2020-07-21 15:39:21,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:39:21,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:39:21,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:39:21,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:39:21,838 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2020-07-21 15:39:22,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:39:22,007 INFO L93 Difference]: Finished difference Result 123 states and 142 transitions. [2020-07-21 15:39:22,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:39:22,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-07-21 15:39:22,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:39:22,009 INFO L225 Difference]: With dead ends: 123 [2020-07-21 15:39:22,009 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:39:22,010 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 15:39:22,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:39:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:39:22,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:39:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:39:22,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-07-21 15:39:22,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:39:22,012 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:39:22,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:39:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:39:22,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:39:22,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:39:22,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:39:22,673 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-21 15:39:22,673 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 573) no Hoare annotation was computed. [2020-07-21 15:39:22,673 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-07-21 15:39:22,673 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 538 593) no Hoare annotation was computed. [2020-07-21 15:39:22,674 INFO L268 CegarLoopResult]: For program point L563-2(lines 563 584) no Hoare annotation was computed. [2020-07-21 15:39:22,674 INFO L268 CegarLoopResult]: For program point L585(lines 562 586) no Hoare annotation was computed. [2020-07-21 15:39:22,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 538 593) no Hoare annotation was computed. [2020-07-21 15:39:22,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 538 593) no Hoare annotation was computed. [2020-07-21 15:39:22,674 INFO L268 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-07-21 15:39:22,674 INFO L268 CegarLoopResult]: For program point L639-1(line 639) no Hoare annotation was computed. [2020-07-21 15:39:22,674 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 594 653) no Hoare annotation was computed. [2020-07-21 15:39:22,675 INFO L268 CegarLoopResult]: For program point L626(lines 626 630) no Hoare annotation was computed. [2020-07-21 15:39:22,675 INFO L268 CegarLoopResult]: For program point L626-1(lines 626 630) no Hoare annotation was computed. [2020-07-21 15:39:22,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 594 653) no Hoare annotation was computed. [2020-07-21 15:39:22,675 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-07-21 15:39:22,675 INFO L268 CegarLoopResult]: For program point L620-2(lines 620 645) no Hoare annotation was computed. [2020-07-21 15:39:22,675 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 594 653) no Hoare annotation was computed. [2020-07-21 15:39:22,675 INFO L268 CegarLoopResult]: For program point L646(lines 619 647) no Hoare annotation was computed. [2020-07-21 15:39:22,676 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2020-07-21 15:39:22,676 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2020-07-21 15:39:22,676 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2020-07-21 15:39:22,676 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2020-07-21 15:39:22,676 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2020-07-21 15:39:22,677 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-21 15:39:22,677 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 15:39:22,677 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,677 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,677 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,677 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,678 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-21 15:39:22,678 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-21 15:39:22,678 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,678 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,678 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-21 15:39:22,678 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:39:22,678 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 15:39:22,678 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:39:22,679 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 15:39:22,679 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 15:39:22,679 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 15:39:22,679 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 15:39:22,679 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 15:39:22,679 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 15:39:22,679 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 15:39:22,680 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 15:39:22,680 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 15:39:22,680 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 15:39:22,680 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 15:39:22,680 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 15:39:22,680 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 15:39:22,680 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 15:39:22,681 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2020-07-21 15:39:22,681 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2020-07-21 15:39:22,681 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2020-07-21 15:39:22,681 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-07-21 15:39:22,681 INFO L268 CegarLoopResult]: For program point L252-1(line 252) no Hoare annotation was computed. [2020-07-21 15:39:22,681 INFO L268 CegarLoopResult]: For program point L241(lines 241 249) no Hoare annotation was computed. [2020-07-21 15:39:22,682 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 249) no Hoare annotation was computed. [2020-07-21 15:39:22,682 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 222 257) no Hoare annotation was computed. [2020-07-21 15:39:22,682 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 222 257) no Hoare annotation was computed. [2020-07-21 15:39:22,682 INFO L268 CegarLoopResult]: For program point L229(lines 229 237) no Hoare annotation was computed. [2020-07-21 15:39:22,682 INFO L268 CegarLoopResult]: For program point L229-2(lines 229 237) no Hoare annotation was computed. [2020-07-21 15:39:22,682 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 222 257) no Hoare annotation was computed. [2020-07-21 15:39:22,682 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2020-07-21 15:39:22,683 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2020-07-21 15:39:22,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 492 537) no Hoare annotation was computed. [2020-07-21 15:39:22,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 492 537) no Hoare annotation was computed. [2020-07-21 15:39:22,683 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 492 537) no Hoare annotation was computed. [2020-07-21 15:39:22,683 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 805 850) no Hoare annotation was computed. [2020-07-21 15:39:22,683 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-07-21 15:39:22,683 INFO L268 CegarLoopResult]: For program point L819(lines 819 839) no Hoare annotation was computed. [2020-07-21 15:39:22,684 INFO L268 CegarLoopResult]: For program point L819-1(lines 819 839) no Hoare annotation was computed. [2020-07-21 15:39:22,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 805 850) no Hoare annotation was computed. [2020-07-21 15:39:22,684 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 805 850) no Hoare annotation was computed. [2020-07-21 15:39:22,684 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,684 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-21 15:39:22,684 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-21 15:39:22,684 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 202 212) no Hoare annotation was computed. [2020-07-21 15:39:22,685 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-21 15:39:22,685 INFO L268 CegarLoopResult]: For program point L207-1(line 207) no Hoare annotation was computed. [2020-07-21 15:39:22,685 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 202 212) no Hoare annotation was computed. [2020-07-21 15:39:22,685 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 202 212) no Hoare annotation was computed. [2020-07-21 15:39:22,685 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 194 201) no Hoare annotation was computed. [2020-07-21 15:39:22,685 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 194 201) no Hoare annotation was computed. [2020-07-21 15:39:22,685 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 194 201) no Hoare annotation was computed. [2020-07-21 15:39:22,686 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2020-07-21 15:39:22,686 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2020-07-21 15:39:22,686 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,686 INFO L264 CegarLoopResult]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,686 INFO L268 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-07-21 15:39:22,686 INFO L268 CegarLoopResult]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2020-07-21 15:39:22,687 INFO L268 CegarLoopResult]: For program point L279(lines 279 283) no Hoare annotation was computed. [2020-07-21 15:39:22,687 INFO L268 CegarLoopResult]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2020-07-21 15:39:22,687 INFO L264 CegarLoopResult]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,687 INFO L268 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-07-21 15:39:22,687 INFO L264 CegarLoopResult]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,687 INFO L268 CegarLoopResult]: For program point L278(lines 277 324) no Hoare annotation was computed. [2020-07-21 15:39:22,687 INFO L264 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,688 INFO L268 CegarLoopResult]: For program point L307(lines 307 320) no Hoare annotation was computed. [2020-07-21 15:39:22,688 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,688 INFO L268 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-07-21 15:39:22,688 INFO L268 CegarLoopResult]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2020-07-21 15:39:22,688 INFO L268 CegarLoopResult]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2020-07-21 15:39:22,688 INFO L264 CegarLoopResult]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 759 804) no Hoare annotation was computed. [2020-07-21 15:39:22,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 759 804) no Hoare annotation was computed. [2020-07-21 15:39:22,689 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 759 804) no Hoare annotation was computed. [2020-07-21 15:39:22,689 INFO L268 CegarLoopResult]: For program point L779(lines 779 786) no Hoare annotation was computed. [2020-07-21 15:39:22,689 INFO L268 CegarLoopResult]: For program point L773(lines 773 793) no Hoare annotation was computed. [2020-07-21 15:39:22,689 INFO L268 CegarLoopResult]: For program point L773-1(lines 773 793) no Hoare annotation was computed. [2020-07-21 15:39:22,689 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 444 466) no Hoare annotation was computed. [2020-07-21 15:39:22,690 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 444 466) no Hoare annotation was computed. [2020-07-21 15:39:22,690 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 444 466) no Hoare annotation was computed. [2020-07-21 15:39:22,690 INFO L268 CegarLoopResult]: For program point L452(lines 452 460) no Hoare annotation was computed. [2020-07-21 15:39:22,690 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 460) no Hoare annotation was computed. [2020-07-21 15:39:22,690 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 362 371) no Hoare annotation was computed. [2020-07-21 15:39:22,690 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 362 371) no Hoare annotation was computed. [2020-07-21 15:39:22,690 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 362 371) no Hoare annotation was computed. [2020-07-21 15:39:22,691 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-07-21 15:39:22,691 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-07-21 15:39:22,691 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 656 758) no Hoare annotation was computed. [2020-07-21 15:39:22,691 INFO L268 CegarLoopResult]: For program point L702(lines 702 743) no Hoare annotation was computed. [2020-07-21 15:39:22,691 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-07-21 15:39:22,691 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-07-21 15:39:22,692 INFO L268 CegarLoopResult]: For program point L680(lines 680 684) no Hoare annotation was computed. [2020-07-21 15:39:22,692 INFO L268 CegarLoopResult]: For program point L744(lines 744 755) no Hoare annotation was computed. [2020-07-21 15:39:22,692 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 656 758) no Hoare annotation was computed. [2020-07-21 15:39:22,692 INFO L268 CegarLoopResult]: For program point L707(lines 707 711) no Hoare annotation was computed. [2020-07-21 15:39:22,692 INFO L268 CegarLoopResult]: For program point L705-2(lines 705 725) no Hoare annotation was computed. [2020-07-21 15:39:22,692 INFO L268 CegarLoopResult]: For program point L726(lines 704 727) no Hoare annotation was computed. [2020-07-21 15:39:22,692 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 656 758) no Hoare annotation was computed. [2020-07-21 15:39:22,693 INFO L268 CegarLoopResult]: For program point L685(lines 685 701) no Hoare annotation was computed. [2020-07-21 15:39:22,693 INFO L268 CegarLoopResult]: For program point L745(lines 745 752) no Hoare annotation was computed. [2020-07-21 15:39:22,693 INFO L268 CegarLoopResult]: For program point L706(lines 705 725) no Hoare annotation was computed. [2020-07-21 15:39:22,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:22,693 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:39:22,693 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:22,693 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 186 193) no Hoare annotation was computed. [2020-07-21 15:39:22,694 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 186 193) no Hoare annotation was computed. [2020-07-21 15:39:22,694 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 186 193) no Hoare annotation was computed. [2020-07-21 15:39:22,694 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 467 475) no Hoare annotation was computed. [2020-07-21 15:39:22,694 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 467 475) no Hoare annotation was computed. [2020-07-21 15:39:22,694 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 467 475) no Hoare annotation was computed. [2020-07-21 15:39:22,694 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: true [2020-07-21 15:39:22,694 INFO L268 CegarLoopResult]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2020-07-21 15:39:22,694 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2020-07-21 15:39:22,695 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:22,695 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:39:22,695 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:22,695 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:22,695 INFO L268 CegarLoopResult]: For program point L159(lines 158 177) no Hoare annotation was computed. [2020-07-21 15:39:22,695 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: true [2020-07-21 15:39:22,695 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2020-07-21 15:39:22,695 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-21 15:39:22,696 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2020-07-21 15:39:22,696 INFO L271 CegarLoopResult]: At program point L166(lines 166 172) the Hoare annotation is: true [2020-07-21 15:39:22,696 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 15:39:22,696 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 15:39:22,696 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 15:39:22,696 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 15:39:22,696 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 15:39:22,696 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 15:39:22,697 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 15:39:22,697 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 15:39:22,697 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 15:39:22,697 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 15:39:22,697 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2020-07-21 15:39:22,697 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2020-07-21 15:39:22,697 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2020-07-21 15:39:22,698 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2020-07-21 15:39:22,698 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2020-07-21 15:39:22,698 INFO L268 CegarLoopResult]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2020-07-21 15:39:22,698 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 15:39:22,698 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 15:39:22,698 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:39:22,698 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 15:39:22,699 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:39:22,699 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:39:22,699 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2020-07-21 15:39:22,699 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 15:39:22,699 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2020-07-21 15:39:22,699 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2020-07-21 15:39:22,699 INFO L268 CegarLoopResult]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2020-07-21 15:39:22,700 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: true [2020-07-21 15:39:22,700 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2020-07-21 15:39:22,700 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2020-07-21 15:39:22,700 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2020-07-21 15:39:22,700 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2020-07-21 15:39:22,700 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:39:22,701 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2020-07-21 15:39:22,701 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-07-21 15:39:22,701 INFO L271 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-07-21 15:39:22,701 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-21 15:39:22,701 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2020-07-21 15:39:22,701 INFO L268 CegarLoopResult]: For program point L343(lines 343 356) no Hoare annotation was computed. [2020-07-21 15:39:22,701 INFO L268 CegarLoopResult]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2020-07-21 15:39:22,702 INFO L271 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: true [2020-07-21 15:39:22,702 INFO L268 CegarLoopResult]: For program point L341-1(line 341) no Hoare annotation was computed. [2020-07-21 15:39:22,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:39:22 BoogieIcfgContainer [2020-07-21 15:39:22,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:39:22,744 INFO L168 Benchmark]: Toolchain (without parser) took 5328.01 ms. Allocated memory was 147.3 MB in the beginning and 276.8 MB in the end (delta: 129.5 MB). Free memory was 104.9 MB in the beginning and 246.8 MB in the end (delta: -141.9 MB). Peak memory consumption was 105.9 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:22,745 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:39:22,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.08 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 104.5 MB in the beginning and 175.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:22,751 INFO L168 Benchmark]: Boogie Preprocessor took 84.70 ms. Allocated memory is still 205.0 MB. Free memory was 175.9 MB in the beginning and 171.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:22,752 INFO L168 Benchmark]: RCFGBuilder took 1186.59 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 171.5 MB in the beginning and 200.6 MB in the end (delta: -29.1 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:22,753 INFO L168 Benchmark]: TraceAbstraction took 3411.95 ms. Allocated memory was 234.9 MB in the beginning and 276.8 MB in the end (delta: 41.9 MB). Free memory was 200.6 MB in the beginning and 246.8 MB in the end (delta: -46.2 MB). Peak memory consumption was 114.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:39:22,766 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 123.5 MB in the beginning and 123.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 635.08 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 104.5 MB in the beginning and 175.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.70 ms. Allocated memory is still 205.0 MB. Free memory was 175.9 MB in the beginning and 171.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1186.59 ms. Allocated memory was 205.0 MB in the beginning and 234.9 MB in the end (delta: 29.9 MB). Free memory was 171.5 MB in the beginning and 200.6 MB in the end (delta: -29.1 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3411.95 ms. Allocated memory was 234.9 MB in the beginning and 276.8 MB in the end (delta: 41.9 MB). Free memory was 200.6 MB in the beginning and 246.8 MB in the end (delta: -46.2 MB). Peak memory consumption was 114.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 276]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= \old(systemActive)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (splverifierCounter <= 0 && 1 <= systemActive)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 353 SDtfs, 89 SDslu, 258 SDs, 0 SdLazy, 46 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 118 PreInvPairs, 126 NumberOfFragments, 246 HoareAnnotationTreeSize, 118 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 42 FomulaSimplificationsInter, 276 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 19250 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2555 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...