/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_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 00:00:20,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 00:00:20,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 00:00:20,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 00:00:20,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 00:00:20,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 00:00:20,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 00:00:20,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 00:00:20,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 00:00:20,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 00:00:20,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 00:00:20,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 00:00:20,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 00:00:20,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 00:00:20,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 00:00:20,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 00:00:20,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 00:00:20,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 00:00:20,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 00:00:20,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 00:00:20,346 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 00:00:20,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 00:00:20,349 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 00:00:20,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 00:00:20,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 00:00:20,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 00:00:20,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 00:00:20,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 00:00:20,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 00:00:20,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 00:00:20,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 00:00:20,374 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 00:00:20,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 00:00:20,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 00:00:20,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 00:00:20,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 00:00:20,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 00:00:20,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 00:00:20,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 00:00:20,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 00:00:20,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 00:00:20,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 00:00:20,408 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 00:00:20,409 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 00:00:20,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 00:00:20,414 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 00:00:20,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 00:00:20,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 00:00:20,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 00:00:20,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 00:00:20,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 00:00:20,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 00:00:20,417 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 00:00:20,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 00:00:20,417 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 00:00:20,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 00:00:20,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 00:00:20,418 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 00:00:20,419 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 00:00:20,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 00:00:20,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 00:00:20,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 00:00:20,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 00:00:20,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 00:00:20,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-07 00:00:20,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 00:00:20,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 00:00:20,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 00:00:20,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 00:00:20,877 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 00:00:20,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-11-07 00:00:20,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50349a99a/e2825ec48c734bd9913a02bac0afe776/FLAGf6952f4d5 [2020-11-07 00:00:21,599 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 00:00:21,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-11-07 00:00:21,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50349a99a/e2825ec48c734bd9913a02bac0afe776/FLAGf6952f4d5 [2020-11-07 00:00:21,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50349a99a/e2825ec48c734bd9913a02bac0afe776 [2020-11-07 00:00:21,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 00:00:21,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 00:00:21,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 00:00:21,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 00:00:21,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 00:00:21,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:21" (1/1) ... [2020-11-07 00:00:21,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568d8852 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:21, skipping insertion in model container [2020-11-07 00:00:21,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:00:21" (1/1) ... [2020-11-07 00:00:21,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 00:00:21,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 00:00:22,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 00:00:22,327 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 00:00:22,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 00:00:22,502 INFO L208 MainTranslator]: Completed translation [2020-11-07 00:00:22,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22 WrapperNode [2020-11-07 00:00:22,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 00:00:22,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 00:00:22,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 00:00:22,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 00:00:22,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (1/1) ... [2020-11-07 00:00:22,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (1/1) ... [2020-11-07 00:00:22,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (1/1) ... [2020-11-07 00:00:22,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (1/1) ... [2020-11-07 00:00:22,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (1/1) ... [2020-11-07 00:00:22,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (1/1) ... [2020-11-07 00:00:22,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (1/1) ... [2020-11-07 00:00:22,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 00:00:22,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 00:00:22,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 00:00:22,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 00:00:22,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (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 [2020-11-07 00:00:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 00:00:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 00:00:22,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 00:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 00:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 00:00:22,724 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 00:00:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 00:00:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 00:00:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 00:00:22,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 00:00:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 00:00:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 00:00:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 00:00:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-11-07 00:00:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 00:00:22,726 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 00:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 00:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 00:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 00:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-11-07 00:00:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 00:00:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 00:00:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 00:00:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 00:00:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 00:00:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 00:00:22,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 00:00:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 00:00:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 00:00:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 00:00:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 00:00:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 00:00:22,729 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 00:00:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 00:00:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 00:00:22,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 00:00:22,730 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 00:00:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 00:00:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-11-07 00:00:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 00:00:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-11-07 00:00:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 00:00:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 00:00:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 00:00:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 00:00:22,734 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 00:00:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 00:00:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 00:00:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 00:00:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 00:00:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 00:00:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 00:00:22,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 00:00:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 00:00:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 00:00:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 00:00:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 00:00:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 00:00:22,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 00:00:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 00:00:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 00:00:22,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 00:00:24,079 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 00:00:24,079 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 00:00:24,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:24 BoogieIcfgContainer [2020-11-07 00:00:24,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 00:00:24,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 00:00:24,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 00:00:24,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 00:00:24,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:00:21" (1/3) ... [2020-11-07 00:00:24,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4c332f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:24, skipping insertion in model container [2020-11-07 00:00:24,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:00:22" (2/3) ... [2020-11-07 00:00:24,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e4c332f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:00:24, skipping insertion in model container [2020-11-07 00:00:24,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:00:24" (3/3) ... [2020-11-07 00:00:24,091 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-11-07 00:00:24,107 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 00:00:24,111 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 00:00:24,124 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 00:00:24,148 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 00:00:24,148 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 00:00:24,148 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-11-07 00:00:24,148 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 00:00:24,148 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 00:00:24,148 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 00:00:24,149 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 00:00:24,149 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 00:00:24,170 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states. [2020-11-07 00:00:24,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-07 00:00:24,189 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 00:00:24,190 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] [2020-11-07 00:00:24,191 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]=== [2020-11-07 00:00:24,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 00:00:24,197 INFO L82 PathProgramCache]: Analyzing trace with hash -985993161, now seen corresponding path program 1 times [2020-11-07 00:00:24,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 00:00:24,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305024027] [2020-11-07 00:00:24,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 00:00:24,289 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 00:00:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:24,965 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 00:00:24,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 00:00:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 00:00:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 00:00:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 00:00:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 00:00:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 00:00:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 00:00:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 00:00:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 00:00:25,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305024027] [2020-11-07 00:00:25,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 00:00:25,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 00:00:25,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727118137] [2020-11-07 00:00:25,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 00:00:25,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 00:00:25,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 00:00:25,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 00:00:25,228 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 3 states. [2020-11-07 00:00:26,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 00:00:26,688 INFO L93 Difference]: Finished difference Result 375 states and 449 transitions. [2020-11-07 00:00:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 00:00:26,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-11-07 00:00:26,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 00:00:26,707 INFO L225 Difference]: With dead ends: 375 [2020-11-07 00:00:26,707 INFO L226 Difference]: Without dead ends: 244 [2020-11-07 00:00:26,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 00:00:26,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-11-07 00:00:26,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 207. [2020-11-07 00:00:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-11-07 00:00:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 221 transitions. [2020-11-07 00:00:26,870 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 221 transitions. Word has length 159 [2020-11-07 00:00:26,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 00:00:26,873 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 221 transitions. [2020-11-07 00:00:26,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 00:00:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 221 transitions. [2020-11-07 00:00:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-07 00:00:26,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 00:00:26,890 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] [2020-11-07 00:00:26,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 00:00:26,891 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]=== [2020-11-07 00:00:26,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 00:00:26,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1948594019, now seen corresponding path program 1 times [2020-11-07 00:00:26,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 00:00:26,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630723894] [2020-11-07 00:00:26,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 00:00:26,898 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 00:00:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,487 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 00:00:27,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 00:00:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 00:00:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 00:00:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 00:00:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 00:00:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-11-07 00:00:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-11-07 00:00:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-11-07 00:00:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 00:00:27,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630723894] [2020-11-07 00:00:27,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 00:00:27,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 00:00:27,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446426972] [2020-11-07 00:00:27,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 00:00:27,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 00:00:27,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 00:00:27,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 00:00:27,586 INFO L87 Difference]: Start difference. First operand 207 states and 221 transitions. Second operand 4 states. [2020-11-07 00:00:28,468 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 00:00:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 00:00:29,171 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2020-11-07 00:00:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 00:00:29,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-11-07 00:00:29,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 00:00:29,176 INFO L225 Difference]: With dead ends: 289 [2020-11-07 00:00:29,176 INFO L226 Difference]: Without dead ends: 227 [2020-11-07 00:00:29,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 00:00:29,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-07 00:00:29,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-11-07 00:00:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-07 00:00:29,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 208 transitions. [2020-11-07 00:00:29,277 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 208 transitions. Word has length 160 [2020-11-07 00:00:29,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 00:00:29,277 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 208 transitions. [2020-11-07 00:00:29,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 00:00:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 208 transitions. [2020-11-07 00:00:29,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-07 00:00:29,280 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 00:00:29,280 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] [2020-11-07 00:00:29,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 00:00:29,281 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]=== [2020-11-07 00:00:29,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 00:00:29,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1567959505, now seen corresponding path program 1 times [2020-11-07 00:00:29,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 00:00:29,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997322254] [2020-11-07 00:00:29,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 00:00:29,286 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 00:00:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,763 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 00:00:29,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 00:00:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 00:00:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 00:00:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 00:00:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 00:00:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 00:00:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-11-07 00:00:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:29,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 00:00:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 00:00:30,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997322254] [2020-11-07 00:00:30,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 00:00:30,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 00:00:30,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610611878] [2020-11-07 00:00:30,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 00:00:30,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 00:00:30,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 00:00:30,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 00:00:30,070 INFO L87 Difference]: Start difference. First operand 197 states and 208 transitions. Second operand 9 states. [2020-11-07 00:00:30,887 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 00:00:31,372 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 00:00:31,770 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 00:00:32,166 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 00:00:32,573 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 00:00:32,947 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 00:00:34,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 00:00:34,308 INFO L93 Difference]: Finished difference Result 309 states and 345 transitions. [2020-11-07 00:00:34,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 00:00:34,309 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-11-07 00:00:34,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 00:00:34,316 INFO L225 Difference]: With dead ends: 309 [2020-11-07 00:00:34,316 INFO L226 Difference]: Without dead ends: 227 [2020-11-07 00:00:34,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-07 00:00:34,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-07 00:00:34,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-11-07 00:00:34,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-07 00:00:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 207 transitions. [2020-11-07 00:00:34,401 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 207 transitions. Word has length 169 [2020-11-07 00:00:34,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 00:00:34,402 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 207 transitions. [2020-11-07 00:00:34,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 00:00:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2020-11-07 00:00:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-07 00:00:34,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 00:00:34,405 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, 1] [2020-11-07 00:00:34,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 00:00:34,406 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]=== [2020-11-07 00:00:34,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 00:00:34,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1990614304, now seen corresponding path program 1 times [2020-11-07 00:00:34,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 00:00:34,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916939634] [2020-11-07 00:00:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 00:00:34,412 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 00:00:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,889 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 00:00:34,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 00:00:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 00:00:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 00:00:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 00:00:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 00:00:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 00:00:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 00:00:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 00:00:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:34,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 00:00:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 00:00:35,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 00:00:35,024 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916939634] [2020-11-07 00:00:35,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 00:00:35,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 00:00:35,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069382549] [2020-11-07 00:00:35,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 00:00:35,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 00:00:35,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 00:00:35,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-11-07 00:00:35,026 INFO L87 Difference]: Start difference. First operand 197 states and 207 transitions. Second operand 8 states. [2020-11-07 00:00:35,757 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 00:00:37,355 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 00:00:37,755 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 00:00:38,214 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 00:00:38,653 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 00:00:39,077 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 00:00:39,515 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 00:00:39,924 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 00:00:40,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 00:00:40,320 INFO L93 Difference]: Finished difference Result 375 states and 424 transitions. [2020-11-07 00:00:40,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 00:00:40,322 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-11-07 00:00:40,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 00:00:40,326 INFO L225 Difference]: With dead ends: 375 [2020-11-07 00:00:40,327 INFO L226 Difference]: Without dead ends: 293 [2020-11-07 00:00:40,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-11-07 00:00:40,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-07 00:00:40,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2020-11-07 00:00:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-11-07 00:00:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-11-07 00:00:40,442 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 172 [2020-11-07 00:00:40,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 00:00:40,443 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-11-07 00:00:40,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 00:00:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-11-07 00:00:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-11-07 00:00:40,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 00:00:40,459 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, 1, 1, 1, 1, 1, 1] [2020-11-07 00:00:40,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 00:00:40,460 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]=== [2020-11-07 00:00:40,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 00:00:40,461 INFO L82 PathProgramCache]: Analyzing trace with hash -509369719, now seen corresponding path program 1 times [2020-11-07 00:00:40,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 00:00:40,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [590101941] [2020-11-07 00:00:40,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 00:00:40,464 INFO L328 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-11-07 00:00:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 00:00:40,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 00:00:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 00:00:40,616 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 00:00:40,816 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 00:00:40,816 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 00:00:40,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 00:00:40,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:00:40 BoogieIcfgContainer [2020-11-07 00:00:40,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 00:00:40,842 INFO L168 Benchmark]: Toolchain (without parser) took 18925.82 ms. Allocated memory was 151.0 MB in the beginning and 381.7 MB in the end (delta: 230.7 MB). Free memory was 126.5 MB in the beginning and 266.0 MB in the end (delta: -139.5 MB). Peak memory consumption was 92.1 MB. Max. memory is 8.0 GB. [2020-11-07 00:00:40,843 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 00:00:40,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.55 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 106.3 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-07 00:00:40,844 INFO L168 Benchmark]: Boogie Preprocessor took 88.66 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 102.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 00:00:40,845 INFO L168 Benchmark]: RCFGBuilder took 1489.29 ms. Allocated memory is still 151.0 MB. Free memory was 102.4 MB in the beginning and 95.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. [2020-11-07 00:00:40,846 INFO L168 Benchmark]: TraceAbstraction took 16756.27 ms. Allocated memory was 151.0 MB in the beginning and 381.7 MB in the end (delta: 230.7 MB). Free memory was 94.7 MB in the beginning and 266.0 MB in the end (delta: -171.3 MB). Peak memory consumption was 59.9 MB. Max. memory is 8.0 GB. [2020-11-07 00:00:40,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 125.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 579.55 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 106.3 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 88.66 ms. Allocated memory is still 151.0 MB. Free memory was 106.3 MB in the beginning and 102.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1489.29 ms. Allocated memory is still 151.0 MB. Free memory was 102.4 MB in the beginning and 95.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 34.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16756.27 ms. Allocated memory was 151.0 MB in the beginning and 381.7 MB in the end (delta: 230.7 MB). Free memory was 94.7 MB in the beginning and 266.0 MB in the end (delta: -171.3 MB). Peak memory consumption was 59.9 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: [L42] int cleanupTimeShifts = 4; [L226] int pumpRunning = 0; [L227] int systemActive = 1; [L591] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); [L130] RET, EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L114] CALL test() [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 [L165] COND TRUE 1 [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp) [L177] CALL waterRise() [L806] COND TRUE waterLevel < 2 [L807] waterLevel = waterLevel + 1 [L177] RET waterRise() [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) [L208] CALL timeShift() [L234] COND FALSE !(\read(pumpRunning)) [L241] COND TRUE \read(systemActive) [L243] FCALL processEnvironment() [L249] CALL __utac_acc__Specification3_spec__1() [L354] int tmp ; [L355] int tmp___0 ; [L356] int tmp___1 ; [L360] CALL, EXPR isMethaneLevelCritical() [L827] int retValue_acc ; [L830] retValue_acc = methaneLevelCritical [L831] return (retValue_acc); [L360] RET, EXPR isMethaneLevelCritical() [L360] tmp = isMethaneLevelCritical() [L362] COND FALSE !(\read(tmp)) [L366] CALL, EXPR getWaterLevel() [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L366] RET, EXPR getWaterLevel() [L366] tmp___0 = getWaterLevel() [L368] COND TRUE tmp___0 == 2 [L370] CALL, EXPR isPumpRunning() [L307] int retValue_acc ; [L310] retValue_acc = pumpRunning [L311] return (retValue_acc); [L370] RET, EXPR isPumpRunning() [L370] tmp___1 = isPumpRunning() [L372] COND FALSE !(\read(tmp___1)) [L376] CALL __automaton_fail() [L150] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product09.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 600 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 16.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 759 SDtfs, 704 SDslu, 1104 SDs, 0 SdLazy, 1745 SolverSat, 231 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 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...