/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops/bubble_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-23 15:46:35,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-23 15:46:35,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-23 15:46:35,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-23 15:46:35,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-23 15:46:35,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-23 15:46:35,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-23 15:46:35,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-23 15:46:35,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-23 15:46:35,237 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-23 15:46:35,238 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-23 15:46:35,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-23 15:46:35,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-23 15:46:35,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-23 15:46:35,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-23 15:46:35,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-23 15:46:35,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-23 15:46:35,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-23 15:46:35,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-23 15:46:35,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-23 15:46:35,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-23 15:46:35,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-23 15:46:35,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-23 15:46:35,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-23 15:46:35,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-23 15:46:35,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-23 15:46:35,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-23 15:46:35,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-23 15:46:35,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-23 15:46:35,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-02-23 15:46:35,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-23 15:46:35,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-23 15:46:35,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-23 15:46:35,259 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-23 15:46:35,265 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-23 15:46:35,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-23 15:46:35,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-23 15:46:35,267 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-23 15:46:35,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-23 15:46:35,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-23 15:46:35,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-23 15:46:35,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-23 15:46:35,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-23 15:46:35,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-23 15:46:35,268 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-23 15:46:35,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-23 15:46:35,268 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-23 15:46:35,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-23 15:46:35,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-23 15:46:35,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-23 15:46:35,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-23 15:46:35,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-23 15:46:35,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 15:46:35,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-23 15:46:35,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-23 15:46:35,270 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-23 15:46:35,270 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-23 15:46:35,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-23 15:46:35,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-23 15:46:35,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-23 15:46:35,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-23 15:46:35,497 INFO L275 PluginConnector]: CDTParser initialized [2022-02-23 15:46:35,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2022-02-23 15:46:35,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f309eb3/7084017e636046adae9e6d49800bf128/FLAG5017063b9 [2022-02-23 15:46:35,871 INFO L306 CDTParser]: Found 1 translation units. [2022-02-23 15:46:35,871 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2022-02-23 15:46:35,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f309eb3/7084017e636046adae9e6d49800bf128/FLAG5017063b9 [2022-02-23 15:46:36,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43f309eb3/7084017e636046adae9e6d49800bf128 [2022-02-23 15:46:36,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-23 15:46:36,284 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-23 15:46:36,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-23 15:46:36,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-23 15:46:36,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-23 15:46:36,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e63ddf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36, skipping insertion in model container [2022-02-23 15:46:36,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-23 15:46:36,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-23 15:46:36,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i[1830,1843] [2022-02-23 15:46:36,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 15:46:36,621 INFO L203 MainTranslator]: Completed pre-run [2022-02-23 15:46:36,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i[1830,1843] [2022-02-23 15:46:36,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 15:46:36,705 INFO L208 MainTranslator]: Completed translation [2022-02-23 15:46:36,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36 WrapperNode [2022-02-23 15:46:36,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-23 15:46:36,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-23 15:46:36,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-23 15:46:36,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-23 15:46:36,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-23 15:46:36,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-23 15:46:36,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-23 15:46:36,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-23 15:46:36,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (1/1) ... [2022-02-23 15:46:36,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 15:46:36,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 15:46:36,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-23 15:46:36,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-23 15:46:36,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-23 15:46:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-23 15:46:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-23 15:46:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-02-23 15:46:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2022-02-23 15:46:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-02-23 15:46:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2022-02-23 15:46:36,830 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-02-23 15:46:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-02-23 15:46:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2022-02-23 15:46:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2022-02-23 15:46:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2022-02-23 15:46:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2022-02-23 15:46:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2022-02-23 15:46:36,832 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2022-02-23 15:46:36,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-02-23 15:46:36,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2022-02-23 15:46:36,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-23 15:46:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2022-02-23 15:46:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2022-02-23 15:46:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-23 15:46:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-23 15:46:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-23 15:46:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-23 15:46:36,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-23 15:46:36,975 INFO L234 CfgBuilder]: Building ICFG [2022-02-23 15:46:36,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-23 15:46:37,159 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2022-02-23 15:46:37,352 INFO L275 CfgBuilder]: Performing block encoding [2022-02-23 15:46:37,357 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-23 15:46:37,357 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2022-02-23 15:46:37,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:46:37 BoogieIcfgContainer [2022-02-23 15:46:37,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-23 15:46:37,359 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-23 15:46:37,359 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-23 15:46:37,360 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-23 15:46:37,362 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:46:37" (1/1) ... [2022-02-23 15:46:37,410 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-02-23 15:46:37,411 INFO L91 elerationTransformer]: Accelerated Formula: false InVars {} OutVars{fail_#t~nondet1.offset=|v_fail_#t~nondet1.offset_1|, fail_#t~nondet1.base=|v_fail_#t~nondet1.base_1|} AuxVars[] AssignedVars[fail_#t~nondet1.offset, fail_#t~nondet1.base] to Formula: (and (= |v_fail_#t~nondet1.offset_2| |v_fail_#t~nondet1.offset_1|) (= |v_fail_#t~nondet1.base_2| |v_fail_#t~nondet1.base_1|)) InVars {fail_#t~nondet1.offset=|v_fail_#t~nondet1.offset_2|, fail_#t~nondet1.base=|v_fail_#t~nondet1.base_2|} OutVars{fail_#t~nondet1.offset=|v_fail_#t~nondet1.offset_1|, fail_#t~nondet1.base=|v_fail_#t~nondet1.base_1|} AuxVars[] AssignedVars[fail_#t~nondet1.offset, fail_#t~nondet1.base] [2022-02-23 15:46:37,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 03:46:37 BasicIcfg [2022-02-23 15:46:37,440 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-02-23 15:46:37,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-23 15:46:37,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-23 15:46:37,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-23 15:46:37,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 03:46:36" (1/4) ... [2022-02-23 15:46:37,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2bb8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 03:46:37, skipping insertion in model container [2022-02-23 15:46:37,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 03:46:36" (2/4) ... [2022-02-23 15:46:37,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2bb8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 03:46:37, skipping insertion in model container [2022-02-23 15:46:37,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 03:46:37" (3/4) ... [2022-02-23 15:46:37,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2bb8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 03:46:37, skipping insertion in model container [2022-02-23 15:46:37,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 23.02 03:46:37" (4/4) ... [2022-02-23 15:46:37,446 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.iJordan [2022-02-23 15:46:37,449 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-02-23 15:46:37,449 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-23 15:46:37,482 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-23 15:46:37,488 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-23 15:46:37,488 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-23 15:46:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 108 states have (on average 1.6574074074074074) internal successors, (179), 127 states have internal predecessors, (179), 33 states have call successors, (33), 14 states have call predecessors, (33), 13 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-02-23 15:46:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-23 15:46:37,508 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 15:46:37,508 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-23 15:46:37,508 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 15:46:37,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 15:46:37,512 INFO L85 PathProgramCache]: Analyzing trace with hash 626291817, now seen corresponding path program 1 times [2022-02-23 15:46:37,518 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 15:46:37,518 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595253709] [2022-02-23 15:46:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 15:46:37,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 15:46:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 15:46:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-23 15:46:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 15:46:37,694 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 15:46:37,694 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595253709] [2022-02-23 15:46:37,695 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595253709] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 15:46:37,695 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 15:46:37,695 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-23 15:46:37,696 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213068286] [2022-02-23 15:46:37,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 15:46:37,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-23 15:46:37,700 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 15:46:37,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-23 15:46:37,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-23 15:46:37,725 INFO L87 Difference]: Start difference. First operand has 156 states, 108 states have (on average 1.6574074074074074) internal successors, (179), 127 states have internal predecessors, (179), 33 states have call successors, (33), 14 states have call predecessors, (33), 13 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-23 15:46:38,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 15:46:38,078 INFO L93 Difference]: Finished difference Result 183 states and 217 transitions. [2022-02-23 15:46:38,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-23 15:46:38,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2022-02-23 15:46:38,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 15:46:38,121 INFO L225 Difference]: With dead ends: 183 [2022-02-23 15:46:38,121 INFO L226 Difference]: Without dead ends: 164 [2022-02-23 15:46:38,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-23 15:46:38,125 INFO L933 BasicCegarLoop]: 140 mSDtfsCounter, 255 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-23 15:46:38,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 142 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-23 15:46:38,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-02-23 15:46:38,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 143. [2022-02-23 15:46:38,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 99 states have (on average 1.2222222222222223) internal successors, (121), 117 states have internal predecessors, (121), 32 states have call successors, (32), 13 states have call predecessors, (32), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-02-23 15:46:38,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2022-02-23 15:46:38,178 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 18 [2022-02-23 15:46:38,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 15:46:38,178 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2022-02-23 15:46:38,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-23 15:46:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2022-02-23 15:46:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-23 15:46:38,180 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 15:46:38,180 INFO L514 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] [2022-02-23 15:46:38,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-23 15:46:38,180 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 15:46:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 15:46:38,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1647321823, now seen corresponding path program 1 times [2022-02-23 15:46:38,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 15:46:38,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423078620] [2022-02-23 15:46:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 15:46:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 15:46:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:38,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-23 15:46:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:38,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-02-23 15:46:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-23 15:46:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-23 15:46:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:38,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-02-23 15:46:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-23 15:46:38,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-23 15:46:38,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-23 15:46:38,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423078620] [2022-02-23 15:46:38,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423078620] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-23 15:46:38,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-23 15:46:38,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-02-23 15:46:38,496 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599428363] [2022-02-23 15:46:38,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-23 15:46:38,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-23 15:46:38,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-23 15:46:38,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-23 15:46:38,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-02-23 15:46:38,498 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-23 15:46:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-23 15:46:39,276 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2022-02-23 15:46:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-23 15:46:39,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2022-02-23 15:46:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-23 15:46:39,278 INFO L225 Difference]: With dead ends: 238 [2022-02-23 15:46:39,278 INFO L226 Difference]: Without dead ends: 236 [2022-02-23 15:46:39,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2022-02-23 15:46:39,280 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 843 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-23 15:46:39,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [843 Valid, 134 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-02-23 15:46:39,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-02-23 15:46:39,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 199. [2022-02-23 15:46:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 155 states have (on average 1.2451612903225806) internal successors, (193), 172 states have internal predecessors, (193), 32 states have call successors, (32), 14 states have call predecessors, (32), 11 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2022-02-23 15:46:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 238 transitions. [2022-02-23 15:46:39,289 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 238 transitions. Word has length 37 [2022-02-23 15:46:39,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-23 15:46:39,289 INFO L470 AbstractCegarLoop]: Abstraction has 199 states and 238 transitions. [2022-02-23 15:46:39,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (8), 6 states have call predecessors, (8), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-23 15:46:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 238 transitions. [2022-02-23 15:46:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-23 15:46:39,290 INFO L506 BasicCegarLoop]: Found error trace [2022-02-23 15:46:39,290 INFO L514 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] [2022-02-23 15:46:39,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-23 15:46:39,290 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-23 15:46:39,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-23 15:46:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1085880763, now seen corresponding path program 1 times [2022-02-23 15:46:39,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-23 15:46:39,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131235756] [2022-02-23 15:46:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-23 15:46:39,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-23 15:46:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-23 15:46:39,388 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-23 15:46:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-23 15:46:39,485 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-23 15:46:39,486 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-23 15:46:39,486 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-23 15:46:39,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-23 15:46:39,489 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-23 15:46:39,490 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-23 15:46:39,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 03:46:39 BasicIcfg [2022-02-23 15:46:39,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-23 15:46:39,522 INFO L158 Benchmark]: Toolchain (without parser) took 3237.77ms. Allocated memory was 206.6MB in the beginning and 297.8MB in the end (delta: 91.2MB). Free memory was 159.5MB in the beginning and 129.2MB in the end (delta: 30.4MB). Peak memory consumption was 122.8MB. Max. memory is 8.0GB. [2022-02-23 15:46:39,522 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 206.6MB. Free memory was 176.5MB in the beginning and 176.4MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-23 15:46:39,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.15ms. Allocated memory is still 206.6MB. Free memory was 159.4MB in the beginning and 176.4MB in the end (delta: -17.0MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. [2022-02-23 15:46:39,523 INFO L158 Benchmark]: Boogie Preprocessor took 58.65ms. Allocated memory is still 206.6MB. Free memory was 176.4MB in the beginning and 172.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-23 15:46:39,523 INFO L158 Benchmark]: RCFGBuilder took 592.75ms. Allocated memory is still 206.6MB. Free memory was 172.7MB in the beginning and 141.3MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-02-23 15:46:39,523 INFO L158 Benchmark]: IcfgTransformer took 80.97ms. Allocated memory is still 206.6MB. Free memory was 141.3MB in the beginning and 135.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-02-23 15:46:39,524 INFO L158 Benchmark]: TraceAbstraction took 2080.00ms. Allocated memory was 206.6MB in the beginning and 297.8MB in the end (delta: 91.2MB). Free memory was 135.0MB in the beginning and 129.2MB in the end (delta: 5.8MB). Peak memory consumption was 98.1MB. Max. memory is 8.0GB. [2022-02-23 15:46:39,525 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 206.6MB. Free memory was 176.5MB in the beginning and 176.4MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 419.15ms. Allocated memory is still 206.6MB. Free memory was 159.4MB in the beginning and 176.4MB in the end (delta: -17.0MB). Peak memory consumption was 14.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 58.65ms. Allocated memory is still 206.6MB. Free memory was 176.4MB in the beginning and 172.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 592.75ms. Allocated memory is still 206.6MB. Free memory was 172.7MB in the beginning and 141.3MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * IcfgTransformer took 80.97ms. Allocated memory is still 206.6MB. Free memory was 141.3MB in the beginning and 135.5MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * TraceAbstraction took 2080.00ms. Allocated memory was 206.6MB in the beginning and 297.8MB in the end (delta: 91.2MB). Free memory was 135.0MB in the beginning and 129.2MB in the end (delta: 5.8MB). Peak memory consumption was 98.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 46]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L52] struct list_head gl_list = {& gl_list, & gl_list}; VAL [\old(gl_list)=null, \old(gl_list)=null, gl_list={5:0}] [L835] struct list_head const *__cil_tmp1 ; [L836] struct list_head const *__cil_tmp2 ; VAL [gl_list={5:0}] [L839] CALL gl_read() VAL [gl_list={5:0}] [L676] int tmp ; [L677] int tmp___0 ; VAL [gl_list={5:0}] [L680] COND TRUE 1 VAL [gl_list={5:0}] [L683] tmp = __VERIFIER_nondet_int() [L684] CALL gl_insert(tmp) VAL [\old(value)=0, gl_list={5:0}] [L622] struct node *node ; [L623] void *tmp ; [L624] unsigned int __cil_tmp4 ; [L625] unsigned int __cil_tmp5 ; [L626] unsigned int __cil_tmp6 ; [L627] struct list_head *__cil_tmp7 ; [L628] unsigned int __cil_tmp8 ; [L629] unsigned int __cil_tmp9 ; [L630] unsigned int __cil_tmp10 ; [L631] unsigned int __cil_tmp11 ; [L632] unsigned int __cil_tmp12 ; [L633] unsigned int __cil_tmp13 ; [L634] unsigned int __cil_tmp14 ; [L635] unsigned int __cil_tmp15 ; [L638] __cil_tmp4 = (unsigned int )20UL [L639] tmp = malloc(__cil_tmp4) [L640] node = (struct node *)tmp VAL [\old(value)=0, __cil_tmp4=20, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L642] COND FALSE !(! node) VAL [\old(value)=0, __cil_tmp4=20, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L649] *((int *)node) = value [L650] __cil_tmp5 = (unsigned int )node [L651] __cil_tmp6 = __cil_tmp5 + 4 [L652] __cil_tmp7 = (struct list_head *)__cil_tmp6 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L653] CALL list_add(__cil_tmp7, & gl_list) VAL [gl_list={5:0}, head={5:0}, new={0:5}] [L595] struct list_head *__cil_tmp3 ; [L598] EXPR \read(*head) [L598] __cil_tmp3 = *((struct list_head **)head) [L599] CALL __list_add(new, head, __cil_tmp3) VAL [gl_list={5:0}, new={0:5}, next={5:0}, prev={5:0}] [L567] unsigned int __cil_tmp4 ; [L568] unsigned int __cil_tmp5 ; [L569] unsigned int __cil_tmp6 ; [L570] unsigned int __cil_tmp7 ; [L572] __cil_tmp4 = (unsigned int )next [L573] __cil_tmp5 = __cil_tmp4 + 4 [L574] *((struct list_head **)__cil_tmp5) = new [L575] *((struct list_head **)new) = next [L576] __cil_tmp6 = (unsigned int )new [L577] __cil_tmp7 = __cil_tmp6 + 4 [L578] *((struct list_head **)__cil_tmp7) = prev [L579] *((struct list_head **)prev) = new VAL [__cil_tmp4=5, __cil_tmp5=9, __cil_tmp6=5, __cil_tmp7=9, gl_list={5:0}, new={0:5}, new={0:5}, next={5:0}, next={5:0}, prev={5:0}, prev={5:0}] [L599] RET __list_add(new, head, __cil_tmp3) VAL [__cil_tmp3={5:0}, gl_list={5:0}, head={5:0}, head={5:0}, new={0:5}, new={0:5}] [L653] RET list_add(__cil_tmp7, & gl_list) VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L656] COND TRUE 1 VAL [\old(value)=0, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L658] __cil_tmp8 = (unsigned int )node [L659] __cil_tmp9 = __cil_tmp8 + 12 [L660] __cil_tmp10 = (unsigned int )node [L661] __cil_tmp11 = __cil_tmp10 + 12 [L662] *((struct list_head **)__cil_tmp9) = (struct list_head *)__cil_tmp11 [L663] __cil_tmp12 = (unsigned int )node [L664] __cil_tmp13 = __cil_tmp12 + 12 [L665] __cil_tmp14 = (unsigned int )node [L666] __cil_tmp15 = __cil_tmp14 + 12 [L667] *((struct list_head **)__cil_tmp13) = (struct list_head *)__cil_tmp15 VAL [\old(value)=0, __cil_tmp10=1, __cil_tmp11=13, __cil_tmp12=1, __cil_tmp13=13, __cil_tmp14=1, __cil_tmp15=13, __cil_tmp4=20, __cil_tmp5=1, __cil_tmp6=5, __cil_tmp7={0:5}, __cil_tmp8=1, __cil_tmp9=13, gl_list={5:0}, node={4294967297:0}, tmp={4294967297:0}, value=0] [L684] RET gl_insert(tmp) VAL [gl_list={5:0}, tmp=0] [L685] tmp___0 = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp___0)) VAL [gl_list={5:0}, tmp=0, tmp___0=0] [L839] RET gl_read() VAL [gl_list={5:0}] [L840] __cil_tmp1 = (struct list_head const *)(& gl_list) VAL [__cil_tmp1={5:0}, gl_list={5:0}] [L841] CALL inspect(__cil_tmp1) VAL [gl_list={5:0}, head={5:0}] [L55] struct node const *node ; [L56] unsigned int __cil_tmp3 ; [L57] struct list_head *__cil_tmp4 ; [L58] unsigned int __cil_tmp5 ; [L59] int __cil_tmp6 ; [L60] unsigned int __cil_tmp7 ; [L61] unsigned int __cil_tmp8 ; [L62] unsigned int __cil_tmp9 ; [L63] struct list_head *__cil_tmp10 ; [L64] unsigned int __cil_tmp11 ; [L65] int __cil_tmp12 ; [L66] unsigned int __cil_tmp13 ; [L67] unsigned int __cil_tmp14 ; [L68] struct list_head *__cil_tmp15 ; [L69] unsigned int __cil_tmp16 ; [L70] struct list_head *__cil_tmp17 ; [L71] unsigned int __cil_tmp18 ; [L72] int __cil_tmp19 ; [L73] unsigned int __cil_tmp20 ; [L74] unsigned int __cil_tmp21 ; [L75] unsigned int __cil_tmp22 ; [L76] struct list_head *__cil_tmp23 ; [L77] unsigned int __cil_tmp24 ; [L78] int __cil_tmp25 ; [L79] struct node *__cil_tmp26 ; [L80] unsigned int __cil_tmp27 ; [L81] unsigned int __cil_tmp28 ; [L82] struct list_head *__cil_tmp29 ; [L83] unsigned long __cil_tmp30 ; [L84] char *__cil_tmp31 ; [L85] char *__cil_tmp32 ; [L86] struct node *__cil_tmp33 ; [L87] unsigned int __cil_tmp34 ; [L88] unsigned int __cil_tmp35 ; [L89] struct list_head const *__cil_tmp36 ; [L90] unsigned int __cil_tmp37 ; [L91] unsigned int __cil_tmp38 ; [L92] unsigned int __cil_tmp39 ; [L93] struct list_head *__cil_tmp40 ; [L94] unsigned int __cil_tmp41 ; [L95] int __cil_tmp42 ; [L96] unsigned int __cil_tmp43 ; [L97] unsigned int __cil_tmp44 ; [L98] struct list_head const *__cil_tmp45 ; [L99] unsigned int __cil_tmp46 ; [L100] unsigned int __cil_tmp47 ; [L101] unsigned int __cil_tmp48 ; [L102] unsigned int __cil_tmp49 ; [L103] struct list_head *__cil_tmp50 ; [L104] unsigned int __cil_tmp51 ; [L105] int __cil_tmp52 ; [L106] unsigned int __cil_tmp53 ; [L107] unsigned int __cil_tmp54 ; [L108] struct list_head const *__cil_tmp55 ; [L109] unsigned int __cil_tmp56 ; [L110] unsigned int __cil_tmp57 ; [L111] unsigned int __cil_tmp58 ; [L112] struct list_head *__cil_tmp59 ; [L113] unsigned int __cil_tmp60 ; [L114] int __cil_tmp61 ; [L115] unsigned int __cil_tmp62 ; [L116] unsigned int __cil_tmp63 ; [L117] struct list_head const *__cil_tmp64 ; [L118] unsigned int __cil_tmp65 ; [L119] unsigned int __cil_tmp66 ; [L120] unsigned int __cil_tmp67 ; [L121] unsigned int __cil_tmp68 ; [L122] struct list_head *__cil_tmp69 ; [L123] unsigned int __cil_tmp70 ; [L124] int __cil_tmp71 ; [L125] struct node const *__cil_tmp72 ; [L126] unsigned int __cil_tmp73 ; [L127] unsigned int __cil_tmp74 ; [L128] int __cil_tmp75 ; [L129] unsigned int __cil_tmp76 ; [L130] unsigned int __cil_tmp77 ; [L131] struct list_head const *__cil_tmp78 ; [L132] struct node const *__cil_tmp79 ; [L133] unsigned int __cil_tmp80 ; [L134] unsigned int __cil_tmp81 ; [L135] int __cil_tmp82 ; [L136] int const *__cil_tmp83 ; [L137] struct node const *__cil_tmp84 ; [L138] unsigned int __cil_tmp85 ; [L139] unsigned int __cil_tmp86 ; [L140] int __cil_tmp87 ; [L141] unsigned int __cil_tmp88 ; [L142] unsigned int __cil_tmp89 ; [L143] struct list_head *__cil_tmp90 ; [L144] unsigned int __cil_tmp91 ; [L145] unsigned int __cil_tmp92 ; [L146] struct list_head *__cil_tmp93 ; [L147] unsigned int __cil_tmp94 ; [L148] unsigned int __cil_tmp95 ; [L149] int __cil_tmp96 ; [L150] unsigned int __cil_tmp97 ; [L151] unsigned int __cil_tmp98 ; [L152] unsigned int __cil_tmp99 ; [L153] struct list_head *__cil_tmp100 ; [L154] struct list_head *__cil_tmp101 ; [L155] unsigned int __cil_tmp102 ; [L156] unsigned int __cil_tmp103 ; [L157] int __cil_tmp104 ; [L158] struct list_head *__cil_tmp105 ; [L159] unsigned int __cil_tmp106 ; [L160] unsigned int __cil_tmp107 ; [L161] unsigned int __cil_tmp108 ; [L162] struct list_head const *__cil_tmp109 ; [L163] unsigned int __cil_tmp110 ; [L164] struct list_head *__cil_tmp111 ; [L165] unsigned int __cil_tmp112 ; [L166] struct node *__cil_tmp113 ; [L167] unsigned int __cil_tmp114 ; [L168] unsigned int __cil_tmp115 ; [L169] struct list_head *__cil_tmp116 ; [L170] unsigned long __cil_tmp117 ; [L171] char *__cil_tmp118 ; [L172] char *__cil_tmp119 ; [L173] struct node *__cil_tmp120 ; [L174] unsigned int __cil_tmp121 ; [L175] int __cil_tmp122 ; VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L179] COND TRUE 1 VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L181] COND FALSE !(! head) VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L192] COND TRUE 1 VAL [gl_list={5:0}, head={5:0}, head={5:0}] [L195] __cil_tmp3 = (unsigned int )head [L196] EXPR \read(*head) [L196] __cil_tmp4 = *((struct list_head * const *)head) [L197] __cil_tmp5 = (unsigned int )__cil_tmp4 [L198] __cil_tmp6 = __cil_tmp5 != __cil_tmp3 VAL [__cil_tmp3=5, __cil_tmp4={0:5}, __cil_tmp5=5, __cil_tmp6=0, gl_list={5:0}, head={5:0}, head={5:0}] [L199] COND TRUE ! __cil_tmp6 VAL [__cil_tmp3=5, __cil_tmp4={0:5}, __cil_tmp5=5, __cil_tmp6=0, gl_list={5:0}, head={5:0}, head={5:0}] [L201] CALL fail() VAL [gl_list={5:0}] [L46] reach_error() VAL [gl_list={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 15 procedures, 156 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1112 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1098 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 359 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 711 IncrementalHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 359 mSolverCounterUnsat, 267 mSDtfsCounter, 711 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 58 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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! [2022-02-23 15:46:39,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...