/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:03:00,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:03:00,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:03:00,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:03:00,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:03:00,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:03:00,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:03:00,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:03:00,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:03:00,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:03:00,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:03:00,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:03:00,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:03:00,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:03:00,251 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:03:00,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:03:00,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:03:00,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:03:00,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:03:00,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:03:00,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:03:00,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:03:00,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:03:00,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:03:00,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:03:00,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:03:00,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:03:00,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:03:00,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:03:00,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:03:00,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:03:00,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:03:00,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:03:00,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:03:00,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:03:00,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:03:00,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:03:00,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:03:00,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:03:00,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:03:00,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:03:00,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:03:00,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:03:00,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:03:00,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:03:00,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:03:00,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:03:00,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:03:00,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:03:00,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:03:00,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:03:00,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:03:00,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:03:00,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:03:00,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:03:00,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:03:00,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:03:00,394 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:03:00,394 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:03:00,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:03:00,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:03:00,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:03:00,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:03:00,396 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:03:00,396 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:03:01,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:03:01,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:03:01,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:03:01,142 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:03:01,143 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:03:01,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-10-23 20:03:01,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e30886a8/97acfcb1b7404d62a4241fab9a5593a8/FLAG3aa2d458a [2020-10-23 20:03:02,076 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:03:02,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product17.cil.c [2020-10-23 20:03:02,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e30886a8/97acfcb1b7404d62a4241fab9a5593a8/FLAG3aa2d458a [2020-10-23 20:03:02,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e30886a8/97acfcb1b7404d62a4241fab9a5593a8 [2020-10-23 20:03:02,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:03:02,341 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:03:02,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:03:02,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:03:02,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:03:02,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:03:02" (1/1) ... [2020-10-23 20:03:02,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6034d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:02, skipping insertion in model container [2020-10-23 20:03:02,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:03:02" (1/1) ... [2020-10-23 20:03:02,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:03:02,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:03:02,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:03:03,015 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:03:03,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:03:03,166 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:03:03,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03 WrapperNode [2020-10-23 20:03:03,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:03:03,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:03:03,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:03:03,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:03:03,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (1/1) ... [2020-10-23 20:03:03,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (1/1) ... [2020-10-23 20:03:03,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (1/1) ... [2020-10-23 20:03:03,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (1/1) ... [2020-10-23 20:03:03,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (1/1) ... [2020-10-23 20:03:03,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (1/1) ... [2020-10-23 20:03:03,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (1/1) ... [2020-10-23 20:03:03,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:03:03,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:03:03,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:03:03,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:03:03,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (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 [2020-10-23 20:03:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:03:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:03:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:03:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:03:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:03:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:03:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:03:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:03:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:03:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:03:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:03:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:03:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 20:03:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:03:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:03:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:03:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:03:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:03:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:03:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 20:03:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:03:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:03:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:03:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:03:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:03:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:03:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 20:03:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:03:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:03:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:03:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:03:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:03:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:03:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:03:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:03:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:03:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:03:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:03:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:03:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:03:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:03:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:03:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:03:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:03:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:03:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:03:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:03:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:03:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:03:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:03:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:03:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:03:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:03:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:03:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:03:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 20:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 20:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 20:03:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:03:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:03:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:03:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:03:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:03:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:03:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:03:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:03:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:03:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:03:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:03:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:03:03,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:03:03,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:03:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:03:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:03:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:03:05,142 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:03:05,143 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:03:05,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:03:05 BoogieIcfgContainer [2020-10-23 20:03:05,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:03:05,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:03:05,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:03:05,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:03:05,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:03:02" (1/3) ... [2020-10-23 20:03:05,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508a5cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:03:05, skipping insertion in model container [2020-10-23 20:03:05,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:03:03" (2/3) ... [2020-10-23 20:03:05,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@508a5cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:03:05, skipping insertion in model container [2020-10-23 20:03:05,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:03:05" (3/3) ... [2020-10-23 20:03:05,174 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2020-10-23 20:03:05,203 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:03:05,214 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:03:05,236 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:03:05,289 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:03:05,290 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:03:05,290 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:03:05,290 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:03:05,291 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:03:05,291 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:03:05,291 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:03:05,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:03:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-10-23 20:03:05,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 20:03:05,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:03:05,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:03:05,387 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:03:05,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:03:05,404 INFO L82 PathProgramCache]: Analyzing trace with hash 2009581480, now seen corresponding path program 1 times [2020-10-23 20:03:05,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:03:05,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [927964701] [2020-10-23 20:03:05,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:03:05,559 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:03:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,402 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:03:06,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:03:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:03:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:03:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:03:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:03:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:03:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:03:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:03:06,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [927964701] [2020-10-23 20:03:06,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:03:06,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 20:03:06,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114263402] [2020-10-23 20:03:06,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 20:03:06,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:03:06,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 20:03:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:03:06,735 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 3 states. [2020-10-23 20:03:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:03:08,687 INFO L93 Difference]: Finished difference Result 423 states and 504 transitions. [2020-10-23 20:03:08,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 20:03:08,690 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 20:03:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:03:08,713 INFO L225 Difference]: With dead ends: 423 [2020-10-23 20:03:08,714 INFO L226 Difference]: Without dead ends: 269 [2020-10-23 20:03:08,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:03:08,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-23 20:03:08,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 230. [2020-10-23 20:03:08,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-23 20:03:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 247 transitions. [2020-10-23 20:03:08,930 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 247 transitions. Word has length 148 [2020-10-23 20:03:08,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:03:08,933 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 247 transitions. [2020-10-23 20:03:08,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 20:03:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 247 transitions. [2020-10-23 20:03:08,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 20:03:08,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:03:08,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:03:08,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:03:08,950 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:03:08,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:03:08,954 INFO L82 PathProgramCache]: Analyzing trace with hash 958781969, now seen corresponding path program 1 times [2020-10-23 20:03:08,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:03:08,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031794323] [2020-10-23 20:03:08,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:03:08,960 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:03:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,701 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:03:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:03:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:03:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:03:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:03:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:03:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:03:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:03:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:03:09,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031794323] [2020-10-23 20:03:09,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:03:09,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:03:09,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758712182] [2020-10-23 20:03:09,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:03:09,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:03:09,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:03:09,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:03:09,904 INFO L87 Difference]: Start difference. First operand 230 states and 247 transitions. Second operand 4 states. [2020-10-23 20:03:11,072 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:03:12,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:03:12,155 INFO L93 Difference]: Finished difference Result 337 states and 375 transitions. [2020-10-23 20:03:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 20:03:12,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 20:03:12,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:03:12,164 INFO L225 Difference]: With dead ends: 337 [2020-10-23 20:03:12,164 INFO L226 Difference]: Without dead ends: 252 [2020-10-23 20:03:12,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:03:12,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-23 20:03:12,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 220. [2020-10-23 20:03:12,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-23 20:03:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 234 transitions. [2020-10-23 20:03:12,294 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 234 transitions. Word has length 149 [2020-10-23 20:03:12,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:03:12,295 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 234 transitions. [2020-10-23 20:03:12,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:03:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 234 transitions. [2020-10-23 20:03:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 20:03:12,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:03:12,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:03:12,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:03:12,298 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:03:12,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:03:12,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1339900183, now seen corresponding path program 1 times [2020-10-23 20:03:12,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:03:12,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64548644] [2020-10-23 20:03:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:03:12,304 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:03:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:12,838 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:03:12,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:03:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:03:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:12,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:03:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:12,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:03:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:12,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:03:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:12,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:03:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:12,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 20:03:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:03:13,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64548644] [2020-10-23 20:03:13,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:03:13,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 20:03:13,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808396859] [2020-10-23 20:03:13,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 20:03:13,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:03:13,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 20:03:13,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:03:13,035 INFO L87 Difference]: Start difference. First operand 220 states and 234 transitions. Second operand 9 states. [2020-10-23 20:03:13,921 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:03:14,425 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:03:14,830 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:03:15,226 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:03:15,633 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:03:16,004 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:03:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:03:17,584 INFO L93 Difference]: Finished difference Result 357 states and 400 transitions. [2020-10-23 20:03:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:03:17,584 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 20:03:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:03:17,589 INFO L225 Difference]: With dead ends: 357 [2020-10-23 20:03:17,589 INFO L226 Difference]: Without dead ends: 252 [2020-10-23 20:03:17,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:03:17,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2020-10-23 20:03:17,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 220. [2020-10-23 20:03:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-23 20:03:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2020-10-23 20:03:17,677 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 158 [2020-10-23 20:03:17,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:03:17,678 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2020-10-23 20:03:17,678 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 20:03:17,678 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2020-10-23 20:03:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-23 20:03:17,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:03:17,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:03:17,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:03:17,682 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:03:17,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:03:17,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1983386604, now seen corresponding path program 1 times [2020-10-23 20:03:17,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:03:17,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209629404] [2020-10-23 20:03:17,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:03:17,688 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:03:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,268 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:03:18,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:03:18,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:03:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:03:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:03:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:03:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:03:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:03:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 20:03:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:03:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:03:18,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209629404] [2020-10-23 20:03:18,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:03:18,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:03:18,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809539371] [2020-10-23 20:03:18,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:03:18,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:03:18,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:03:18,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:03:18,570 INFO L87 Difference]: Start difference. First operand 220 states and 233 transitions. Second operand 14 states. [2020-10-23 20:03:19,272 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:03:19,851 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:03:20,251 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:03:20,682 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:03:21,118 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:03:21,495 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:03:22,535 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:03:23,925 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:03:24,379 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:03:24,882 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:03:25,410 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:03:25,819 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:03:26,248 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:03:26,682 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:03:27,099 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:03:27,523 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:03:27,979 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:03:28,560 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:03:29,026 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:03:29,498 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:03:31,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:03:31,276 INFO L93 Difference]: Finished difference Result 612 states and 734 transitions. [2020-10-23 20:03:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 20:03:31,277 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2020-10-23 20:03:31,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:03:31,283 INFO L225 Difference]: With dead ends: 612 [2020-10-23 20:03:31,283 INFO L226 Difference]: Without dead ends: 507 [2020-10-23 20:03:31,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-23 20:03:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-10-23 20:03:31,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 404. [2020-10-23 20:03:31,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-10-23 20:03:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 445 transitions. [2020-10-23 20:03:31,525 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 445 transitions. Word has length 166 [2020-10-23 20:03:31,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:03:31,526 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 445 transitions. [2020-10-23 20:03:31,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:03:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 445 transitions. [2020-10-23 20:03:31,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-23 20:03:31,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:03:31,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:03:31,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:03:31,530 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:03:31,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:03:31,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1419719903, now seen corresponding path program 1 times [2020-10-23 20:03:31,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:03:31,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983648682] [2020-10-23 20:03:31,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:03:31,535 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:03:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,044 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:03:32,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:03:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:03:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:03:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:03:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:03:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-23 20:03:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 20:03:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:03:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 20:03:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:03:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:03:32,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 20:03:32,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983648682] [2020-10-23 20:03:32,207 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:03:32,207 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:03:32,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053909604] [2020-10-23 20:03:32,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:03:32,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:03:32,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:03:32,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:03:32,210 INFO L87 Difference]: Start difference. First operand 404 states and 445 transitions. Second operand 6 states. [2020-10-23 20:03:33,028 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:03:33,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:03:33,903 INFO L93 Difference]: Finished difference Result 607 states and 690 transitions. [2020-10-23 20:03:33,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 20:03:33,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-10-23 20:03:33,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:03:33,907 INFO L225 Difference]: With dead ends: 607 [2020-10-23 20:03:33,907 INFO L226 Difference]: Without dead ends: 318 [2020-10-23 20:03:33,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:03:33,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-23 20:03:34,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 297. [2020-10-23 20:03:34,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2020-10-23 20:03:34,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 314 transitions. [2020-10-23 20:03:34,059 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 314 transitions. Word has length 171 [2020-10-23 20:03:34,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:03:34,060 INFO L481 AbstractCegarLoop]: Abstraction has 297 states and 314 transitions. [2020-10-23 20:03:34,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:03:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 314 transitions. [2020-10-23 20:03:34,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-10-23 20:03:34,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:03:34,064 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 20:03:34,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:03:34,065 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:03:34,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:03:34,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1014634512, now seen corresponding path program 1 times [2020-10-23 20:03:34,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:03:34,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705956545] [2020-10-23 20:03:34,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:03:34,221 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:03:34,493 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:03:34,739 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:03:34,970 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:03:35,200 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:03:35,431 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:03:35,648 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:03:35,880 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:03:36,106 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:03:36,323 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:03:36,531 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:03:36,758 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2020-10-23 20:03:36,979 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-10-23 20:03:37,197 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-10-23 20:03:37,594 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:37,922 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:38,242 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:38,553 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:38,849 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:39,107 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:39,389 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:39,682 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:39,976 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:40,256 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:40,560 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:40,858 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:41,191 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:41,479 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:41,762 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:42,068 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:42,071 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:42,388 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:03:42,697 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:03:43,004 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:43,309 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:43,601 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:03:43,895 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:03:44,204 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:03:44,479 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:44,773 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:45,056 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:03:45,355 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:45,646 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:45,936 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:46,245 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 106 [2020-10-23 20:03:46,547 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:46,833 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2020-10-23 20:03:46,835 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:47,132 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:47,435 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:47,744 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:48,045 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:48,330 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:48,616 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:48,894 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:49,179 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:49,457 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:49,742 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:50,022 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:50,305 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:50,586 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:50,865 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2020-10-23 20:03:51,156 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:51,437 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 106 [2020-10-23 20:03:51,439 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:03:54,244 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:54,265 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:56,993 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:57,000 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:03:58,178 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:03:58,184 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:00,661 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:03,105 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:03,111 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:05,645 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:05,652 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:08,121 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:08,125 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:10,546 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:10,552 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:13,028 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:13,033 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:15,590 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:15,595 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:18,087 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:18,091 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:20,651 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:20,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:23,157 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:23,162 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:25,894 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:04:25,899 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:28,432 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:29,586 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:04:29,594 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:29,602 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:04:32,158 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:32,163 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:33,691 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:33,697 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:36,314 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:36,320 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:38,883 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:38,888 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:41,397 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:41,401 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:43,888 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:43,892 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:46,474 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:46,478 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:48,986 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:48,991 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:51,482 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:51,486 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:54,039 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:54,043 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:56,667 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:04:56,672 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:04:59,219 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:04:59,228 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:01,728 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:05:01,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:03,576 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:03,579 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:04,894 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:04,898 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:07,461 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:07,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:07,468 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:09,984 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:09,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:11,673 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:11,678 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:13,167 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:13,171 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:15,704 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:15,708 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:17,277 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:19,723 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:19,727 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:21,509 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:21,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:24,143 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:24,148 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:25,782 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:25,787 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:28,351 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:30,945 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:30,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:33,494 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:33,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:36,072 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 164 [2020-10-23 20:05:36,075 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:38,721 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:38,725 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:41,277 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:41,281 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:43,826 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:05:43,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:43,834 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:44,189 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:44,548 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:44,909 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:45,262 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:45,625 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:45,976 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:46,319 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:46,691 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:47,071 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:47,438 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:47,838 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:48,233 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:48,591 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:48,924 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:49,264 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:49,602 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:05:49,605 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:05:52,198 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:05:52,202 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:54,757 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:05:54,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:56,420 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:05:56,424 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:05:59,031 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:05:59,034 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:01,662 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:01,666 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:04,215 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:04,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:06,045 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:06,049 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:08,629 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:08,633 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:11,188 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:11,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:13,743 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:13,747 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:16,314 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:16,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:18,352 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:18,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:20,950 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:20,953 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:23,484 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:23,488 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:26,104 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 167 [2020-10-23 20:06:26,107 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:28,743 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 165 [2020-10-23 20:06:28,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:28,749 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:06:29,128 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:29,500 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:29,872 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:30,242 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:30,612 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:30,956 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:31,297 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:31,660 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:32,028 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:32,402 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:32,768 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:33,138 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:33,479 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:33,838 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:34,206 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:34,580 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:06:34,582 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:06:37,124 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:06:37,128 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:39,634 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:06:39,638 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:41,314 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:06:41,317 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:43,774 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:06:43,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:45,710 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:06:45,713 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:48,194 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:06:48,196 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:50,734 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:06:50,737 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:53,241 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:06:53,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:55,757 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:06:55,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:06:58,279 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:07:00,826 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2020-10-23 20:07:00,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:03,323 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-10-23 20:07:03,325 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:05,357 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:07:05,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:07,947 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:07:07,950 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:10,492 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:07:10,495 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:13,068 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:07:13,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:13,074 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:15,570 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:15,572 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:18,105 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:18,107 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:20,618 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:20,621 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:23,166 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:23,170 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:25,771 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:25,773 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:28,284 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:28,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:30,820 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:30,823 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:33,409 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:33,413 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:36,008 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:36,012 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:38,352 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:38,355 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:40,611 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:40,614 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:43,211 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:43,215 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:45,767 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:45,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:48,361 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2020-10-23 20:07:48,365 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:50,922 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:50,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:53,481 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-23 20:07:53,485 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:07:53,488 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:07:56,035 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:07:58,659 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:07:58,662 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:01,205 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:01,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:03,829 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:03,833 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:06,476 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:06,480 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:09,144 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:08:09,147 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:11,725 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:08:11,728 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:14,319 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:14,323 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:16,900 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:16,904 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:19,487 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:19,491 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:22,101 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:22,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:24,650 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:27,269 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2020-10-23 20:08:29,836 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 157 [2020-10-23 20:08:29,838 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:32,457 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2020-10-23 20:08:35,119 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 159 [2020-10-23 20:08:35,123 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:08:37,793 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:37,796 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:40,492 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:40,496 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:43,223 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:43,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:45,880 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:48,600 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:48,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:51,224 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:08:51,227 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:53,904 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:53,907 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:56,587 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:56,590 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:08:59,315 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:08:59,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:02,513 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:09:02,516 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:05,222 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:09:05,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:08,023 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:09:08,026 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:10,784 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:09:10,787 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:13,436 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:09:13,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:16,146 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2020-10-23 20:09:18,854 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2020-10-23 20:09:18,858 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:09:18,860 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:19,264 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:19,670 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:20,042 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:20,427 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:20,821 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:21,212 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:21,603 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:21,993 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:22,394 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:22,769 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:23,172 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:23,580 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:23,987 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:24,412 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:24,827 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 110 [2020-10-23 20:09:25,210 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-23 20:09:25,212 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:09:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:09:26,456 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:09:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:09:27,157 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:09:27,480 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:09:27,481 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:09:27,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:09:27,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:09:27 BoogieIcfgContainer [2020-10-23 20:09:27,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:09:27,537 INFO L168 Benchmark]: Toolchain (without parser) took 385202.67 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 127.0 MB in the beginning and 197.1 MB in the end (delta: -70.2 MB). Peak memory consumption was 157.3 MB. Max. memory is 8.0 GB. [2020-10-23 20:09:27,537 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:09:27,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 816.06 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 106.1 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:09:27,538 INFO L168 Benchmark]: Boogie Preprocessor took 164.83 ms. Allocated memory is still 151.0 MB. Free memory was 106.1 MB in the beginning and 132.9 MB in the end (delta: -26.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. [2020-10-23 20:09:27,540 INFO L168 Benchmark]: RCFGBuilder took 1817.78 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 125.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 58.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:09:27,540 INFO L168 Benchmark]: TraceAbstraction took 382377.31 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 125.2 MB in the beginning and 197.1 MB in the end (delta: -71.9 MB). Peak memory consumption was 154.6 MB. Max. memory is 8.0 GB. [2020-10-23 20:09:27,542 INFO L339 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 125.8 MB. Free memory was 102.6 MB in the beginning and 102.4 MB in the end (delta: 126.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 816.06 ms. Allocated memory is still 151.0 MB. Free memory was 126.3 MB in the beginning and 106.1 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 164.83 ms. Allocated memory is still 151.0 MB. Free memory was 106.1 MB in the beginning and 132.9 MB in the end (delta: -26.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1817.78 ms. Allocated memory is still 151.0 MB. Free memory was 132.9 MB in the beginning and 125.8 MB in the end (delta: 7.1 MB). Peak memory consumption was 58.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 382377.31 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 125.2 MB in the beginning and 197.1 MB in the end (delta: -71.9 MB). Peak memory consumption was 154.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L71] int cleanupTimeShifts = 4; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L442] int waterLevel = 1; [L443] int methaneLevelCritical = 0; [L700] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L152] int retValue_acc ; [L153] int tmp ; [L157] FCALL select_helpers() [L158] FCALL select_features() [L159] CALL, EXPR valid_product() [L210] int retValue_acc ; [L213] retValue_acc = 1 [L214] return (retValue_acc); [L159] RET, EXPR valid_product() [L159] tmp = valid_product() [L161] COND TRUE \read(tmp) [L163] FCALL setup() [L164] CALL runTest() [L143] CALL test() [L220] int splverifierCounter ; [L221] int tmp ; [L222] int tmp___0 ; [L223] int tmp___1 ; [L224] int tmp___2 ; [L227] splverifierCounter = 0 [L229] COND TRUE 1 [L231] COND TRUE splverifierCounter < 4 [L237] tmp = __VERIFIER_nondet_int() [L239] COND TRUE \read(tmp) [L241] CALL waterRise() [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 [L241] RET waterRise() [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND TRUE \read(tmp___2) [L272] CALL timeShift() [L297] COND FALSE !(\read(pumpRunning)) [L304] COND TRUE \read(systemActive) [L306] CALL processEnvironment() [L326] int tmp ; [L329] COND FALSE !(\read(pumpRunning)) [L344] FCALL processEnvironment__wrappee__base() [L306] RET processEnvironment() [L312] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND FALSE !(tmp == 0) [L312] RET __utac_acc__Specification4_spec__1() [L272] RET timeShift() [L229] COND TRUE 1 [L231] COND TRUE splverifierCounter < 4 [L237] tmp = __VERIFIER_nondet_int() [L239] COND TRUE \read(tmp) [L241] CALL waterRise() [L460] COND TRUE waterLevel < 2 [L461] waterLevel = waterLevel + 1 [L241] RET waterRise() [L247] tmp___0 = __VERIFIER_nondet_int() [L249] COND FALSE !(\read(tmp___0)) [L257] tmp___2 = __VERIFIER_nondet_int() [L259] COND TRUE \read(tmp___2) [L272] CALL timeShift() [L297] COND FALSE !(\read(pumpRunning)) [L304] COND TRUE \read(systemActive) [L306] CALL processEnvironment() [L326] int tmp ; [L329] COND FALSE !(\read(pumpRunning)) [L344] FCALL processEnvironment__wrappee__base() [L306] RET processEnvironment() [L312] CALL __utac_acc__Specification4_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR getWaterLevel() [L513] int retValue_acc ; [L516] retValue_acc = waterLevel [L517] return (retValue_acc); [L51] RET, EXPR getWaterLevel() [L51] tmp = getWaterLevel() [L53] COND TRUE tmp == 0 [L55] CALL, EXPR isPumpRunning() [L378] int retValue_acc ; [L381] retValue_acc = pumpRunning [L382] return (retValue_acc); [L55] RET, EXPR isPumpRunning() [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) [L59] CALL __automaton_fail() [L179] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product17.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 616 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 382.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1009 SDtfs, 1610 SDslu, 1691 SDs, 0 SdLazy, 3207 SolverSat, 496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 13.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=404occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 227 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 incorrect! Received shutdown request...