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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:22,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:22,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:22,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:22,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:22,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:22,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:22,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:22,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:22,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:22,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:22,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:22,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:22,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:22,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:22,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:22,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:22,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:22,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:22,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:22,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:22,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:22,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:22,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:22,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:22,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:22,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:22,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:22,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:22,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:22,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:22,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:22,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:22,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:22,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:22,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:22,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:22,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:22,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:22,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:22,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:22,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:31:22,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:22,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:22,415 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:22,415 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:22,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:22,416 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:22,417 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:22,417 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:22,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:22,417 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:22,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:22,419 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:22,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:22,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:22,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:22,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:22,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:22,421 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:22,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:22,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:22,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:22,422 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:22,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:22,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:22,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:22,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:22,423 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:22,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:22,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:22,424 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:22,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:22,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:22,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:22,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:22,489 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:22,489 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-09-20 13:31:22,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2264a0924/a85fe9eace9649baa0c4103e0695284d/FLAG828f64924 [2019-09-20 13:31:23,142 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:23,144 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product31.cil.c [2019-09-20 13:31:23,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2264a0924/a85fe9eace9649baa0c4103e0695284d/FLAG828f64924 [2019-09-20 13:31:23,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2264a0924/a85fe9eace9649baa0c4103e0695284d [2019-09-20 13:31:23,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:23,446 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:23,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:23,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:23,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:23,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:23" (1/1) ... [2019-09-20 13:31:23,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb936b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:23, skipping insertion in model container [2019-09-20 13:31:23,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:23" (1/1) ... [2019-09-20 13:31:23,463 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:23,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:24,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:24,045 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:24,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:24,150 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:24,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24 WrapperNode [2019-09-20 13:31:24,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:24,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:24,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:24,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:24,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ... [2019-09-20 13:31:24,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ... [2019-09-20 13:31:24,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ... [2019-09-20 13:31:24,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ... [2019-09-20 13:31:24,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ... [2019-09-20 13:31:24,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ... [2019-09-20 13:31:24,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (1/1) ... [2019-09-20 13:31:24,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:24,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:24,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:24,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:24,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (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 [2019-09-20 13:31:24,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:24,346 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:31:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:31:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:31:24,347 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:24,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:24,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:31:24,350 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:31:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:24,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:31:24,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:24,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:24,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:24,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:24,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:24,357 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:31:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:31:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:31:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:25,612 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:25,612 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:25,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:25 BoogieIcfgContainer [2019-09-20 13:31:25,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:25,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:25,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:25,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:25,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:23" (1/3) ... [2019-09-20 13:31:25,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24855caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:25, skipping insertion in model container [2019-09-20 13:31:25,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:24" (2/3) ... [2019-09-20 13:31:25,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24855caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:25, skipping insertion in model container [2019-09-20 13:31:25,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:25" (3/3) ... [2019-09-20 13:31:25,625 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2019-09-20 13:31:25,635 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:25,647 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:25,662 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:25,686 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:25,686 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:25,687 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:25,687 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:25,687 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:25,687 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:25,687 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:25,687 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-09-20 13:31:25,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:31:25,722 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:25,723 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:25,726 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:25,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:25,732 INFO L82 PathProgramCache]: Analyzing trace with hash 206816994, now seen corresponding path program 1 times [2019-09-20 13:31:25,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:25,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:25,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:25,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:25,798 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:26,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:26,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:26,119 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:26,129 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:26,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:26,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:26,149 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-09-20 13:31:26,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:26,222 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2019-09-20 13:31:26,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:26,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:31:26,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:26,243 INFO L225 Difference]: With dead ends: 149 [2019-09-20 13:31:26,243 INFO L226 Difference]: Without dead ends: 138 [2019-09-20 13:31:26,247 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-20 13:31:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-20 13:31:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-20 13:31:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2019-09-20 13:31:26,314 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 59 [2019-09-20 13:31:26,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:26,315 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2019-09-20 13:31:26,315 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2019-09-20 13:31:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:31:26,319 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:26,320 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:26,320 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:26,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:26,321 INFO L82 PathProgramCache]: Analyzing trace with hash -733738644, now seen corresponding path program 1 times [2019-09-20 13:31:26,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:26,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:26,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:26,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:26,325 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:26,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:26,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:26,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:26,578 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:26,580 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:26,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:26,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:26,581 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 7 states. [2019-09-20 13:31:27,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:27,116 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2019-09-20 13:31:27,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:31:27,117 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-20 13:31:27,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:27,122 INFO L225 Difference]: With dead ends: 313 [2019-09-20 13:31:27,122 INFO L226 Difference]: Without dead ends: 313 [2019-09-20 13:31:27,123 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:31:27,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-09-20 13:31:27,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2019-09-20 13:31:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-09-20 13:31:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2019-09-20 13:31:27,174 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 64 [2019-09-20 13:31:27,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:27,175 INFO L475 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2019-09-20 13:31:27,175 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2019-09-20 13:31:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:27,179 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:27,179 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:27,179 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:27,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:27,180 INFO L82 PathProgramCache]: Analyzing trace with hash -254396696, now seen corresponding path program 1 times [2019-09-20 13:31:27,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:27,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:27,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:27,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:27,184 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:27,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:31:27,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:27,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:27,358 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:27,359 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:27,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:27,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:27,360 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand 7 states. [2019-09-20 13:31:27,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:27,747 INFO L93 Difference]: Finished difference Result 225 states and 264 transitions. [2019-09-20 13:31:27,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:31:27,748 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-09-20 13:31:27,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:27,749 INFO L225 Difference]: With dead ends: 225 [2019-09-20 13:31:27,749 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:27,749 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:31:27,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:27,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:27,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:27,750 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-09-20 13:31:27,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:27,751 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:27,751 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:27,751 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:27,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:27,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:27 BoogieIcfgContainer [2019-09-20 13:31:27,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:27,759 INFO L168 Benchmark]: Toolchain (without parser) took 4312.14 ms. Allocated memory was 132.6 MB in the beginning and 261.6 MB in the end (delta: 129.0 MB). Free memory was 86.9 MB in the beginning and 161.4 MB in the end (delta: -74.5 MB). Peak memory consumption was 54.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:27,760 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:27,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 704.44 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.6 MB in the beginning and 163.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:27,762 INFO L168 Benchmark]: Boogie Preprocessor took 118.79 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:27,763 INFO L168 Benchmark]: RCFGBuilder took 1343.49 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.6 MB in the beginning and 189.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:27,764 INFO L168 Benchmark]: TraceAbstraction took 2140.88 ms. Allocated memory was 222.8 MB in the beginning and 261.6 MB in the end (delta: 38.8 MB). Free memory was 187.7 MB in the beginning and 161.4 MB in the end (delta: 26.3 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:27,768 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 704.44 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.6 MB in the beginning and 163.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.79 ms. Allocated memory is still 199.2 MB. Free memory was 163.0 MB in the beginning and 158.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1343.49 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 158.6 MB in the beginning and 189.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 89.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2140.88 ms. Allocated memory was 222.8 MB in the beginning and 261.6 MB in the end (delta: 38.8 MB). Free memory was 187.7 MB in the beginning and 161.4 MB in the end (delta: 26.3 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 247 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 477 SDtfs, 379 SDslu, 863 SDs, 0 SdLazy, 459 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 22489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...