/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 19:54:56,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 19:54:56,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 19:54:56,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 19:54:56,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 19:54:56,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 19:54:56,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 19:54:56,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 19:54:56,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 19:54:56,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 19:54:56,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 19:54:56,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 19:54:56,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 19:54:56,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 19:54:56,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 19:54:56,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 19:54:56,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 19:54:56,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 19:54:56,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 19:54:56,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 19:54:56,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 19:54:56,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 19:54:56,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 19:54:56,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 19:54:56,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 19:54:56,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 19:54:56,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 19:54:56,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 19:54:56,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 19:54:56,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 19:54:56,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 19:54:56,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 19:54:56,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 19:54:56,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 19:54:56,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 19:54:56,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 19:54:56,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 19:54:56,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 19:54:56,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 19:54:56,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 19:54:56,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 19:54:56,774 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 19:54:56,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 19:54:56,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 19:54:56,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 19:54:56,802 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 19:54:56,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 19:54:56,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 19:54:56,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 19:54:56,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 19:54:56,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 19:54:56,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 19:54:56,804 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 19:54:56,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 19:54:56,805 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 19:54:56,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 19:54:56,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 19:54:56,806 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 19:54:56,806 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 19:54:56,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 19:54:56,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 19:54:56,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 19:54:56,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 19:54:56,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 19:54:56,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 19:54:57,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 19:54:57,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 19:54:57,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 19:54:57,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 19:54:57,275 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 19:54:57,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-10-23 19:54:57,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1f74b1a/f9b2236c5ebb4e58a2cb848864737484/FLAGf805780b1 [2020-10-23 19:54:58,079 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 19:54:58,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-10-23 19:54:58,094 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1f74b1a/f9b2236c5ebb4e58a2cb848864737484/FLAGf805780b1 [2020-10-23 19:54:58,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f1f74b1a/f9b2236c5ebb4e58a2cb848864737484 [2020-10-23 19:54:58,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 19:54:58,336 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 19:54:58,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 19:54:58,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 19:54:58,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 19:54:58,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:54:58" (1/1) ... [2020-10-23 19:54:58,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a54093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:58, skipping insertion in model container [2020-10-23 19:54:58,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:54:58" (1/1) ... [2020-10-23 19:54:58,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 19:54:58,428 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 19:54:58,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:54:58,788 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 19:54:58,953 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:54:59,010 INFO L208 MainTranslator]: Completed translation [2020-10-23 19:54:59,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59 WrapperNode [2020-10-23 19:54:59,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 19:54:59,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 19:54:59,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 19:54:59,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 19:54:59,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (1/1) ... [2020-10-23 19:54:59,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (1/1) ... [2020-10-23 19:54:59,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (1/1) ... [2020-10-23 19:54:59,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (1/1) ... [2020-10-23 19:54:59,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (1/1) ... [2020-10-23 19:54:59,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (1/1) ... [2020-10-23 19:54:59,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (1/1) ... [2020-10-23 19:54:59,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 19:54:59,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 19:54:59,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 19:54:59,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 19:54:59,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (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 19:54:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 19:54:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 19:54:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 19:54:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 19:54:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 19:54:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 19:54:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 19:54:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 19:54:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 19:54:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 19:54:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 19:54:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 19:54:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 19:54:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 19:54:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 19:54:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 19:54:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 19:54:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 19:54:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 19:54:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 19:54:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 19:54:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 19:54:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 19:54:59,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 19:54:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 19:54:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 19:54:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 19:54:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 19:54:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 19:54:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 19:54:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 19:54:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 19:54:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 19:54:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 19:54:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 19:54:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 19:54:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 19:54:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 19:54:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 19:54:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 19:54:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 19:54:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 19:54:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 19:54:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 19:54:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 19:54:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 19:54:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 19:54:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 19:54:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 19:54:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 19:54:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 19:54:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 19:54:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 19:54:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 19:54:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 19:54:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 19:54:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 19:54:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 19:54:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 19:54:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 19:54:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 19:54:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 19:54:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 19:54:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 19:54:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 19:54:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 19:54:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 19:54:59,233 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 19:54:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 19:54:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 19:54:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 19:54:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 19:54:59,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 19:54:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 19:54:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 19:54:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 19:54:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 19:54:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 19:54:59,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 19:54:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 19:54:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 19:54:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 19:54:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 19:54:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 19:55:00,922 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 19:55:00,922 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 19:55:00,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:55:00 BoogieIcfgContainer [2020-10-23 19:55:00,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 19:55:00,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 19:55:00,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 19:55:00,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 19:55:00,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 07:54:58" (1/3) ... [2020-10-23 19:55:00,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b690cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:55:00, skipping insertion in model container [2020-10-23 19:55:00,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:54:59" (2/3) ... [2020-10-23 19:55:00,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b690cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:55:00, skipping insertion in model container [2020-10-23 19:55:00,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:55:00" (3/3) ... [2020-10-23 19:55:00,935 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-10-23 19:55:00,946 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 19:55:00,951 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 19:55:00,965 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 19:55:00,989 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 19:55:00,990 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 19:55:00,990 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 19:55:00,990 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 19:55:00,990 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 19:55:00,990 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 19:55:00,990 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 19:55:00,991 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 19:55:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states. [2020-10-23 19:55:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 19:55:01,033 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:01,034 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] [2020-10-23 19:55:01,035 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 19:55:01,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:01,041 INFO L82 PathProgramCache]: Analyzing trace with hash 104486125, now seen corresponding path program 1 times [2020-10-23 19:55:01,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:01,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709532370] [2020-10-23 19:55:01,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:01,131 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,178 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:02,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:02,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 19:55:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 19:55:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 19:55:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:02,366 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 19:55:02,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709532370] [2020-10-23 19:55:02,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:02,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 19:55:02,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155726399] [2020-10-23 19:55:02,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 19:55:02,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:02,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 19:55:02,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 19:55:02,408 INFO L87 Difference]: Start difference. First operand 267 states. Second operand 3 states. [2020-10-23 19:55:04,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:04,367 INFO L93 Difference]: Finished difference Result 375 states and 449 transitions. [2020-10-23 19:55:04,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 19:55:04,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 19:55:04,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:04,386 INFO L225 Difference]: With dead ends: 375 [2020-10-23 19:55:04,386 INFO L226 Difference]: Without dead ends: 244 [2020-10-23 19:55:04,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 19:55:04,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-23 19:55:04,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 207. [2020-10-23 19:55:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-23 19:55:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 221 transitions. [2020-10-23 19:55:04,521 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 221 transitions. Word has length 159 [2020-10-23 19:55:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:04,522 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 221 transitions. [2020-10-23 19:55:04,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 19:55:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 221 transitions. [2020-10-23 19:55:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 19:55:04,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:04,528 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] [2020-10-23 19:55:04,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 19:55:04,529 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 19:55:04,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:04,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1235655469, now seen corresponding path program 1 times [2020-10-23 19:55:04,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:04,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417299137] [2020-10-23 19:55:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:04,546 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,379 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 19:55:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 19:55:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 19:55:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:05,492 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 19:55:05,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417299137] [2020-10-23 19:55:05,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:05,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 19:55:05,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701115449] [2020-10-23 19:55:05,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 19:55:05,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:05,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 19:55:05,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 19:55:05,498 INFO L87 Difference]: Start difference. First operand 207 states and 221 transitions. Second operand 4 states. [2020-10-23 19:55:06,861 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 19:55:07,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:07,936 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2020-10-23 19:55:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 19:55:07,937 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 19:55:07,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:07,940 INFO L225 Difference]: With dead ends: 289 [2020-10-23 19:55:07,941 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 19:55:07,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 19:55:07,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 19:55:08,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 19:55:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 19:55:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 208 transitions. [2020-10-23 19:55:08,013 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 208 transitions. Word has length 160 [2020-10-23 19:55:08,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:08,014 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 208 transitions. [2020-10-23 19:55:08,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 19:55:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 208 transitions. [2020-10-23 19:55:08,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-23 19:55:08,017 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:08,018 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] [2020-10-23 19:55:08,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 19:55:08,018 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 19:55:08,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:08,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1754874064, now seen corresponding path program 1 times [2020-10-23 19:55:08,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:08,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267285312] [2020-10-23 19:55:08,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:08,023 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:08,849 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:08,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:08,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:08,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:08,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:09,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:09,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 19:55:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:09,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 19:55:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:09,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-23 19:55:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:09,123 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 19:55:09,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267285312] [2020-10-23 19:55:09,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:09,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 19:55:09,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802109294] [2020-10-23 19:55:09,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 19:55:09,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:09,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 19:55:09,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 19:55:09,126 INFO L87 Difference]: Start difference. First operand 197 states and 208 transitions. Second operand 9 states. [2020-10-23 19:55:10,209 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:55:11,067 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:55:11,801 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:55:12,523 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:13,239 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:55:13,939 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:15,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:15,691 INFO L93 Difference]: Finished difference Result 309 states and 345 transitions. [2020-10-23 19:55:15,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 19:55:15,693 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-10-23 19:55:15,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:15,696 INFO L225 Difference]: With dead ends: 309 [2020-10-23 19:55:15,696 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 19:55:15,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 19:55:15,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 19:55:15,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 19:55:15,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 19:55:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 207 transitions. [2020-10-23 19:55:15,769 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 207 transitions. Word has length 169 [2020-10-23 19:55:15,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:15,769 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 207 transitions. [2020-10-23 19:55:15,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 19:55:15,770 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2020-10-23 19:55:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-23 19:55:15,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:15,772 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] [2020-10-23 19:55:15,773 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 19:55:15,773 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 19:55:15,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:15,774 INFO L82 PathProgramCache]: Analyzing trace with hash 113794683, now seen corresponding path program 1 times [2020-10-23 19:55:15,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:15,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139067360] [2020-10-23 19:55:15,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:15,778 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,653 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:16,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 19:55:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 19:55:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 19:55:16,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-23 19:55:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:16,806 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 19:55:16,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139067360] [2020-10-23 19:55:16,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:16,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 19:55:16,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968509918] [2020-10-23 19:55:16,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 19:55:16,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:16,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 19:55:16,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-23 19:55:16,810 INFO L87 Difference]: Start difference. First operand 197 states and 207 transitions. Second operand 8 states. [2020-10-23 19:55:17,814 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:55:20,070 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:20,808 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:55:21,560 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:22,317 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:55:23,008 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:55:23,748 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:24,442 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:24,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:24,995 INFO L93 Difference]: Finished difference Result 375 states and 424 transitions. [2020-10-23 19:55:24,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 19:55:24,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-10-23 19:55:24,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:24,999 INFO L225 Difference]: With dead ends: 375 [2020-10-23 19:55:24,999 INFO L226 Difference]: Without dead ends: 293 [2020-10-23 19:55:25,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-23 19:55:25,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-23 19:55:25,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2020-10-23 19:55:25,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-23 19:55:25,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-10-23 19:55:25,103 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 172 [2020-10-23 19:55:25,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:25,104 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-10-23 19:55:25,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 19:55:25,104 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-10-23 19:55:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-23 19:55:25,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:25,107 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] [2020-10-23 19:55:25,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 19:55:25,108 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 19:55:25,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:25,109 INFO L82 PathProgramCache]: Analyzing trace with hash 942889727, now seen corresponding path program 1 times [2020-10-23 19:55:25,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:25,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1137155529] [2020-10-23 19:55:25,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:25,112 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 19:55:25,185 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 19:55:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 19:55:25,260 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 19:55:25,436 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 19:55:25,436 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 19:55:25,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 19:55:25,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 07:55:25 BoogieIcfgContainer [2020-10-23 19:55:25,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 19:55:25,462 INFO L168 Benchmark]: Toolchain (without parser) took 27132.17 ms. Allocated memory was 151.0 MB in the beginning and 331.4 MB in the end (delta: 180.4 MB). Free memory was 126.3 MB in the beginning and 212.1 MB in the end (delta: -85.8 MB). Peak memory consumption was 95.3 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:25,462 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 19:55:25,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.27 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 105.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:25,464 INFO L168 Benchmark]: Boogie Preprocessor took 124.80 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:25,465 INFO L168 Benchmark]: RCFGBuilder took 1786.65 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 101.4 MB in the beginning and 137.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 33.5 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:25,466 INFO L168 Benchmark]: TraceAbstraction took 24532.84 ms. Allocated memory was 190.8 MB in the beginning and 331.4 MB in the end (delta: 140.5 MB). Free memory was 137.6 MB in the beginning and 212.1 MB in the end (delta: -74.5 MB). Peak memory consumption was 66.0 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:25,469 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 131.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 670.27 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 105.2 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 124.80 ms. Allocated memory is still 151.0 MB. Free memory was 105.2 MB in the beginning and 101.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1786.65 ms. Allocated memory was 151.0 MB in the beginning and 190.8 MB in the end (delta: 39.8 MB). Free memory was 101.4 MB in the beginning and 137.6 MB in the end (delta: -36.2 MB). Peak memory consumption was 33.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24532.84 ms. Allocated memory was 190.8 MB in the beginning and 331.4 MB in the end (delta: 140.5 MB). Free memory was 137.6 MB in the beginning and 212.1 MB in the end (delta: -74.5 MB). Peak memory consumption was 66.0 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: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L309] int cleanupTimeShifts = 4; [L405] int waterLevel = 1; [L406] int methaneLevelCritical = 0; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L382] int retValue_acc ; [L383] int tmp ; [L387] FCALL select_helpers() [L388] FCALL select_features() [L389] CALL, EXPR valid_product() [L255] int retValue_acc ; [L258] retValue_acc = 1 [L259] return (retValue_acc); [L389] RET, EXPR valid_product() [L389] tmp = valid_product() [L391] COND TRUE \read(tmp) [L393] FCALL setup() [L394] CALL runTest() [L376] CALL test() [L162] int splverifierCounter ; [L163] int tmp ; [L164] int tmp___0 ; [L165] int tmp___1 ; [L166] int tmp___2 ; [L169] splverifierCounter = 0 [L171] COND TRUE 1 [L173] COND TRUE splverifierCounter < 4 [L179] tmp = __VERIFIER_nondet_int() [L181] COND TRUE \read(tmp) [L183] CALL waterRise() [L423] COND TRUE waterLevel < 2 [L424] waterLevel = waterLevel + 1 [L183] RET waterRise() [L189] tmp___0 = __VERIFIER_nondet_int() [L191] COND FALSE !(\read(tmp___0)) [L199] tmp___2 = __VERIFIER_nondet_int() [L201] COND TRUE \read(tmp___2) [L214] CALL timeShift() [L58] COND FALSE !(\read(pumpRunning)) [L65] COND TRUE \read(systemActive) [L67] FCALL processEnvironment() [L73] CALL __utac_acc__Specification3_spec__1() [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L273] CALL, EXPR isMethaneLevelCritical() [L444] int retValue_acc ; [L447] retValue_acc = methaneLevelCritical [L448] return (retValue_acc); [L273] RET, EXPR isMethaneLevelCritical() [L273] tmp = isMethaneLevelCritical() [L275] COND FALSE !(\read(tmp)) [L279] CALL, EXPR getWaterLevel() [L476] int retValue_acc ; [L479] retValue_acc = waterLevel [L480] return (retValue_acc); [L279] RET, EXPR getWaterLevel() [L279] tmp___0 = getWaterLevel() [L281] COND TRUE tmp___0 == 2 [L283] CALL, EXPR isPumpRunning() [L113] int retValue_acc ; [L116] retValue_acc = pumpRunning [L117] return (retValue_acc); [L283] RET, EXPR isPumpRunning() [L283] tmp___1 = isPumpRunning() [L285] COND FALSE !(\read(tmp___1)) [L289] CALL __automaton_fail() [L304] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product01.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 591 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 24.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 19.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 759 SDtfs, 628 SDslu, 1181 SDs, 0 SdLazy, 1745 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 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...