/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-b8ad66e [2020-10-23 19:55:40,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 19:55:40,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 19:55:40,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 19:55:40,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 19:55:40,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 19:55:40,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 19:55:40,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 19:55:40,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 19:55:40,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 19:55:40,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 19:55:40,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 19:55:40,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 19:55:40,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 19:55:40,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 19:55:40,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 19:55:40,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 19:55:40,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 19:55:40,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 19:55:40,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 19:55:40,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 19:55:40,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 19:55:40,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 19:55:40,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 19:55:40,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 19:55:40,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 19:55:40,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 19:55:40,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 19:55:40,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 19:55:40,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 19:55:40,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 19:55:40,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 19:55:40,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 19:55:40,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 19:55:40,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 19:55:40,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 19:55:40,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 19:55:40,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 19:55:40,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 19:55:40,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 19:55:40,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 19:55:40,573 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 19:55:40,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 19:55:40,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 19:55:40,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 19:55:40,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 19:55:40,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 19:55:40,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 19:55:40,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 19:55:40,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 19:55:40,599 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 19:55:40,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 19:55:40,601 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 19:55:40,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 19:55:40,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 19:55:40,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 19:55:40,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 19:55:40,602 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 19:55:40,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 19:55:40,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 19:55:40,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 19:55:40,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 19:55:40,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 19:55:40,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 19:55:40,603 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 19:55:40,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 19:55:41,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 19:55:41,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 19:55:41,027 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 19:55:41,028 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 19:55:41,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-10-23 19:55:41,119 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5e02d7a/7894407c55cb4eaca7db69028bd3aea5/FLAG5f03130d7 [2020-10-23 19:55:41,733 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 19:55:41,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-10-23 19:55:41,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5e02d7a/7894407c55cb4eaca7db69028bd3aea5/FLAG5f03130d7 [2020-10-23 19:55:42,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5e02d7a/7894407c55cb4eaca7db69028bd3aea5 [2020-10-23 19:55:42,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 19:55:42,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 19:55:42,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 19:55:42,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 19:55:42,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 19:55:42,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@626c23dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42, skipping insertion in model container [2020-10-23 19:55:42,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 19:55:42,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 19:55:42,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:55:42,423 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 19:55:42,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 19:55:42,538 INFO L208 MainTranslator]: Completed translation [2020-10-23 19:55:42,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42 WrapperNode [2020-10-23 19:55:42,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 19:55:42,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 19:55:42,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 19:55:42,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 19:55:42,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (1/1) ... [2020-10-23 19:55:42,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 19:55:42,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 19:55:42,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 19:55:42,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 19:55:42,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (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 19:55:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 19:55:42,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 19:55:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 19:55:42,771 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 19:55:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 19:55:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 19:55:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 19:55:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 19:55:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 19:55:42,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 19:55:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 19:55:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 19:55:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 19:55:42,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-23 19:55:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 19:55:42,774 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 19:55:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 19:55:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 19:55:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 19:55:42,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 19:55:42,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 19:55:42,777 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 19:55:42,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 19:55:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 19:55:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 19:55:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 19:55:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 19:55:42,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 19:55:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 19:55:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 19:55:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 19:55:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 19:55:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 19:55:42,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 19:55:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 19:55:42,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 19:55:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 19:55:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 19:55:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 19:55:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 19:55:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 19:55:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 19:55:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 19:55:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 19:55:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 19:55:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 19:55:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 19:55:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 19:55:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 19:55:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 19:55:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 19:55:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 19:55:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 19:55:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 19:55:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 19:55:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 19:55:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 19:55:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 19:55:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 19:55:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 19:55:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 19:55:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 19:55:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 19:55:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 19:55:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-23 19:55:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 19:55:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 19:55:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 19:55:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 19:55:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 19:55:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 19:55:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 19:55:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 19:55:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 19:55:42,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 19:55:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 19:55:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 19:55:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 19:55:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 19:55:42,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 19:55:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 19:55:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 19:55:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 19:55:42,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 19:55:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 19:55:42,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 19:55:44,098 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 19:55:44,099 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 19:55:44,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:55:44 BoogieIcfgContainer [2020-10-23 19:55:44,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 19:55:44,103 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 19:55:44,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 19:55:44,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 19:55:44,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 07:55:42" (1/3) ... [2020-10-23 19:55:44,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bcd3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:55:44, skipping insertion in model container [2020-10-23 19:55:44,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 07:55:42" (2/3) ... [2020-10-23 19:55:44,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40bcd3f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 07:55:44, skipping insertion in model container [2020-10-23 19:55:44,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 07:55:44" (3/3) ... [2020-10-23 19:55:44,113 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-10-23 19:55:44,125 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 19:55:44,131 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 19:55:44,144 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 19:55:44,169 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 19:55:44,169 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 19:55:44,170 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 19:55:44,170 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 19:55:44,170 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 19:55:44,170 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 19:55:44,170 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 19:55:44,171 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 19:55:44,192 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states. [2020-10-23 19:55:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 19:55:44,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:44,213 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 19:55:44,214 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 19:55:44,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:44,220 INFO L82 PathProgramCache]: Analyzing trace with hash -985993161, now seen corresponding path program 1 times [2020-10-23 19:55:44,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:44,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819825086] [2020-10-23 19:55:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:44,314 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,057 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:45,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 19:55:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 19:55:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 19:55:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:45,276 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 19:55:45,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819825086] [2020-10-23 19:55:45,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:45,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 19:55:45,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977347299] [2020-10-23 19:55:45,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 19:55:45,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:45,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 19:55:45,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 19:55:45,312 INFO L87 Difference]: Start difference. First operand 277 states. Second operand 3 states. [2020-10-23 19:55:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:46,606 INFO L93 Difference]: Finished difference Result 375 states and 449 transitions. [2020-10-23 19:55:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 19:55:46,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 19:55:46,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:46,623 INFO L225 Difference]: With dead ends: 375 [2020-10-23 19:55:46,624 INFO L226 Difference]: Without dead ends: 244 [2020-10-23 19:55:46,628 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 [2020-10-23 19:55:46,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-10-23 19:55:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 207. [2020-10-23 19:55:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-23 19:55:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 221 transitions. [2020-10-23 19:55:46,795 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 221 transitions. Word has length 159 [2020-10-23 19:55:46,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:46,799 INFO L481 AbstractCegarLoop]: Abstraction has 207 states and 221 transitions. [2020-10-23 19:55:46,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 19:55:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 221 transitions. [2020-10-23 19:55:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 19:55:46,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:46,812 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 19:55:46,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 19:55:46,813 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 19:55:46,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:46,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1948594019, now seen corresponding path program 1 times [2020-10-23 19:55:46,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:46,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95853612] [2020-10-23 19:55:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:46,822 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,292 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:47,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 19:55:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 19:55:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 19:55:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:47,398 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 19:55:47,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95853612] [2020-10-23 19:55:47,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:47,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 19:55:47,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106603428] [2020-10-23 19:55:47,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 19:55:47,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:47,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 19:55:47,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 19:55:47,402 INFO L87 Difference]: Start difference. First operand 207 states and 221 transitions. Second operand 4 states. [2020-10-23 19:55:48,193 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 19:55:48,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:48,917 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2020-10-23 19:55:48,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 19:55:48,918 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 19:55:48,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:48,922 INFO L225 Difference]: With dead ends: 289 [2020-10-23 19:55:48,922 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 19:55:48,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 19:55:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 19:55:49,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 19:55:49,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 19:55:49,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 208 transitions. [2020-10-23 19:55:49,003 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 208 transitions. Word has length 160 [2020-10-23 19:55:49,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:49,004 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 208 transitions. [2020-10-23 19:55:49,004 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 19:55:49,004 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 208 transitions. [2020-10-23 19:55:49,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-23 19:55:49,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:49,007 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 19:55:49,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 19:55:49,007 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 19:55:49,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:49,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1567959505, now seen corresponding path program 1 times [2020-10-23 19:55:49,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:49,008 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [597097372] [2020-10-23 19:55:49,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:49,012 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,461 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:49,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 19:55:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 19:55:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-23 19:55:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:49,639 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 19:55:49,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [597097372] [2020-10-23 19:55:49,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:49,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 19:55:49,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423079493] [2020-10-23 19:55:49,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 19:55:49,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:49,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 19:55:49,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 19:55:49,642 INFO L87 Difference]: Start difference. First operand 197 states and 208 transitions. Second operand 9 states. [2020-10-23 19:55:50,278 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:55:50,740 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 19:55:51,134 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 19:55:51,507 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:51,887 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:55:52,246 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:53,449 INFO L93 Difference]: Finished difference Result 309 states and 345 transitions. [2020-10-23 19:55:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 19:55:53,450 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 169 [2020-10-23 19:55:53,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:53,455 INFO L225 Difference]: With dead ends: 309 [2020-10-23 19:55:53,455 INFO L226 Difference]: Without dead ends: 227 [2020-10-23 19:55:53,459 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 19:55:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-23 19:55:53,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 197. [2020-10-23 19:55:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-23 19:55:53,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 207 transitions. [2020-10-23 19:55:53,541 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 207 transitions. Word has length 169 [2020-10-23 19:55:53,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:53,542 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 207 transitions. [2020-10-23 19:55:53,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 19:55:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 207 transitions. [2020-10-23 19:55:53,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-23 19:55:53,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:53,544 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 19:55:53,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 19:55:53,545 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 19:55:53,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:53,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1990614304, now seen corresponding path program 1 times [2020-10-23 19:55:53,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:53,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791156205] [2020-10-23 19:55:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:53,551 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,042 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 19:55:54,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 19:55:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 19:55:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 19:55:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 19:55:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 19:55:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 19:55:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 19:55:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-23 19:55:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-23 19:55:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 19:55:54,240 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 19:55:54,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791156205] [2020-10-23 19:55:54,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 19:55:54,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 19:55:54,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091772894] [2020-10-23 19:55:54,242 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 19:55:54,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 19:55:54,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 19:55:54,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-23 19:55:54,243 INFO L87 Difference]: Start difference. First operand 197 states and 207 transitions. Second operand 8 states. [2020-10-23 19:55:54,884 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:55:56,276 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:56,675 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:55:57,095 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:57,485 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 19:55:57,853 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 19:55:58,234 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:58,592 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 19:55:58,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 19:55:58,965 INFO L93 Difference]: Finished difference Result 375 states and 424 transitions. [2020-10-23 19:55:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 19:55:58,966 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2020-10-23 19:55:58,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 19:55:58,969 INFO L225 Difference]: With dead ends: 375 [2020-10-23 19:55:58,969 INFO L226 Difference]: Without dead ends: 293 [2020-10-23 19:55:58,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-23 19:55:58,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-10-23 19:55:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 268. [2020-10-23 19:55:59,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-23 19:55:59,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 290 transitions. [2020-10-23 19:55:59,075 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 290 transitions. Word has length 172 [2020-10-23 19:55:59,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 19:55:59,076 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 290 transitions. [2020-10-23 19:55:59,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 19:55:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 290 transitions. [2020-10-23 19:55:59,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-23 19:55:59,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 19:55:59,079 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 19:55:59,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 19:55:59,079 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 19:55:59,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 19:55:59,080 INFO L82 PathProgramCache]: Analyzing trace with hash -509369719, now seen corresponding path program 1 times [2020-10-23 19:55:59,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 19:55:59,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447421181] [2020-10-23 19:55:59,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 19:55:59,084 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 19:55:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 19:55:59,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 19:55:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 19:55:59,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 19:55:59,420 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 19:55:59,420 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 19:55:59,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 19:55:59,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 07:55:59 BoogieIcfgContainer [2020-10-23 19:55:59,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 19:55:59,457 INFO L168 Benchmark]: Toolchain (without parser) took 17447.74 ms. Allocated memory was 152.0 MB in the beginning and 389.0 MB in the end (delta: 237.0 MB). Free memory was 127.9 MB in the beginning and 256.3 MB in the end (delta: -128.4 MB). Peak memory consumption was 109.3 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:59,458 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 152.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 19:55:59,460 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.43 ms. Allocated memory is still 152.0 MB. Free memory was 127.2 MB in the beginning and 107.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:59,467 INFO L168 Benchmark]: Boogie Preprocessor took 132.17 ms. Allocated memory is still 152.0 MB. Free memory was 107.3 MB in the beginning and 103.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:59,468 INFO L168 Benchmark]: RCFGBuilder took 1428.18 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 103.5 MB in the beginning and 144.2 MB in the end (delta: -40.7 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:59,469 INFO L168 Benchmark]: TraceAbstraction took 15351.96 ms. Allocated memory was 182.5 MB in the beginning and 389.0 MB in the end (delta: 206.6 MB). Free memory was 144.2 MB in the beginning and 256.3 MB in the end (delta: -112.0 MB). Peak memory consumption was 94.5 MB. Max. memory is 8.0 GB. [2020-10-23 19:55:59,478 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 152.0 MB. Free memory is still 125.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 521.43 ms. Allocated memory is still 152.0 MB. Free memory was 127.2 MB in the beginning and 107.3 MB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 132.17 ms. Allocated memory is still 152.0 MB. Free memory was 107.3 MB in the beginning and 103.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1428.18 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 103.5 MB in the beginning and 144.2 MB in the end (delta: -40.7 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15351.96 ms. Allocated memory was 182.5 MB in the beginning and 389.0 MB in the end (delta: 206.6 MB). Free memory was 144.2 MB in the beginning and 256.3 MB in the end (delta: -112.0 MB). Peak memory consumption was 94.5 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: 15.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.4s, 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, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 6.8s 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...