/usr/bin/java -ea -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-fb4f59a-m [2022-04-27 15:55:59,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-27 15:55:59,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-27 15:55:59,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-27 15:55:59,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-27 15:55:59,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-27 15:55:59,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-27 15:55:59,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-27 15:55:59,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-27 15:55:59,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-27 15:55:59,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-27 15:55:59,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-27 15:55:59,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-27 15:55:59,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-27 15:55:59,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-27 15:55:59,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-27 15:55:59,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-27 15:55:59,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-27 15:55:59,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-27 15:55:59,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-27 15:55:59,600 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-27 15:55:59,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-27 15:55:59,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-27 15:55:59,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-27 15:55:59,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-27 15:55:59,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-27 15:55:59,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-27 15:55:59,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-27 15:55:59,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-27 15:55:59,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-27 15:55:59,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-27 15:55:59,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-27 15:55:59,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-27 15:55:59,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-27 15:55:59,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-27 15:55:59,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-27 15:55:59,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-27 15:55:59,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-27 15:55:59,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-27 15:55:59,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-27 15:55:59,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-27 15:55:59,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-27 15:55:59,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-27 15:55:59,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-27 15:55:59,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-27 15:55:59,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-27 15:55:59,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-27 15:55:59,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-27 15:55:59,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-27 15:55:59,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-27 15:55:59,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-27 15:55:59,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-27 15:55:59,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-27 15:55:59,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-27 15:55:59,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 15:55:59,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-27 15:55:59,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-27 15:55:59,641 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-27 15:55:59,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-27 15:55:59,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-27 15:55:59,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-27 15:55:59,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-27 15:55:59,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-27 15:55:59,868 INFO L275 PluginConnector]: CDTParser initialized [2022-04-27 15:55:59,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2022-04-27 15:55:59,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236f4be65/5b589c8f2f0a407e9bebba35d62b1f96/FLAG3524a31bd [2022-04-27 15:56:00,266 INFO L306 CDTParser]: Found 1 translation units. [2022-04-27 15:56:00,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2022-04-27 15:56:00,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236f4be65/5b589c8f2f0a407e9bebba35d62b1f96/FLAG3524a31bd [2022-04-27 15:56:00,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/236f4be65/5b589c8f2f0a407e9bebba35d62b1f96 [2022-04-27 15:56:00,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-27 15:56:00,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-27 15:56:00,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-27 15:56:00,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-27 15:56:00,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-27 15:56:00,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 03:56:00" (1/1) ... [2022-04-27 15:56:00,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cdae435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:00, skipping insertion in model container [2022-04-27 15:56:00,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.04 03:56:00" (1/1) ... [2022-04-27 15:56:00,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-27 15:56:00,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-27 15:56:00,844 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] [2022-04-27 15:56:00,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 15:56:00,950 INFO L203 MainTranslator]: Completed pre-run [2022-04-27 15:56:00,958 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] [2022-04-27 15:56:01,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-27 15:56:01,019 INFO L208 MainTranslator]: Completed translation [2022-04-27 15:56:01,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01 WrapperNode [2022-04-27 15:56:01,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-27 15:56:01,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-27 15:56:01,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-27 15:56:01,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-27 15:56:01,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-27 15:56:01,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-27 15:56:01,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-27 15:56:01,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-27 15:56:01,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-27 15:56:01,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-27 15:56:01,141 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) [2022-04-27 15:56:01,161 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 [2022-04-27 15:56:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-27 15:56:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-27 15:56:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-27 15:56:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-04-27 15:56:01,183 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2022-04-27 15:56:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-04-27 15:56:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2022-04-27 15:56:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-04-27 15:56:01,184 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-04-27 15:56:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2022-04-27 15:56:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2022-04-27 15:56:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2022-04-27 15:56:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2022-04-27 15:56:01,185 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2022-04-27 15:56:01,186 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2022-04-27 15:56:01,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-27 15:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-27 15:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-27 15:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-04-27 15:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-04-27 15:56:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-27 15:56:01,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-27 15:56:01,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-27 15:56:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-27 15:56:01,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-27 15:56:01,329 INFO L234 CfgBuilder]: Building ICFG [2022-04-27 15:56:01,330 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-27 15:56:01,542 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2022-04-27 15:56:01,801 INFO L275 CfgBuilder]: Performing block encoding [2022-04-27 15:56:01,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-27 15:56:01,810 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2022-04-27 15:56:01,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 03:56:01 BoogieIcfgContainer [2022-04-27 15:56:01,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-27 15:56:01,813 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-27 15:56:01,813 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-27 15:56:01,814 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-27 15:56:01,816 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 03:56:01" (1/1) ... [2022-04-27 15:56:01,817 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-27 15:56:01,901 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-27 15:56:01,901 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] [2022-04-27 15:56:01,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 03:56:01 BasicIcfg [2022-04-27 15:56:01,960 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-27 15:56:01,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-27 15:56:01,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-27 15:56:01,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-27 15:56:01,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.04 03:56:00" (1/4) ... [2022-04-27 15:56:01,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2114dba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 03:56:01, skipping insertion in model container [2022-04-27 15:56:01,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.04 03:56:01" (2/4) ... [2022-04-27 15:56:01,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2114dba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.04 03:56:01, skipping insertion in model container [2022-04-27 15:56:01,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.04 03:56:01" (3/4) ... [2022-04-27 15:56:01,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2114dba2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.04 03:56:01, skipping insertion in model container [2022-04-27 15:56:01,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 27.04 03:56:01" (4/4) ... [2022-04-27 15:56:01,968 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.iJordan [2022-04-27 15:56:01,979 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-27 15:56:01,980 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-27 15:56:02,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-27 15:56:02,019 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@54d8c248, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d03a8fb [2022-04-27 15:56:02,020 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-27 15:56:02,028 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) [2022-04-27 15:56:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-27 15:56:02,035 INFO L187 NwaCegarLoop]: Found error trace [2022-04-27 15:56:02,035 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-27 15:56:02,035 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-27 15:56:02,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-27 15:56:02,039 INFO L85 PathProgramCache]: Analyzing trace with hash 626291817, now seen corresponding path program 1 times [2022-04-27 15:56:02,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-27 15:56:02,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816738063] [2022-04-27 15:56:02,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-27 15:56:02,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-27 15:56:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 15:56:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-27 15:56:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 15:56:02,192 INFO L290 TraceCheckUtils]: 0: Hoare triple {168#(and (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [600] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_$Pointer$.offset_31| |v_~#gl_list~0.base_7|)) (.cse2 (select |v_#memory_$Pointer$.base_31| |v_~#gl_list~0.base_7|)) (.cse1 (+ 4 |v_~#gl_list~0.offset_7|)) (.cse3 (select |v_#memory_int_32| 1)) (.cse4 (select |v_#memory_int_32| 3))) (and (= (select |v_#valid_9| 2) 1) (= |v_~#gl_list~0.offset_7| (select .cse0 .cse1)) (= (select |v_#valid_9| 5) 1) (= 5 |v_~#gl_list~0.base_7|) (= (select .cse2 |v_~#gl_list~0.offset_7|) |v_~#gl_list~0.base_7|) (= (select .cse0 |v_~#gl_list~0.offset_7|) |v_~#gl_list~0.offset_7|) (< 0 |v_#StackHeapBarrier_1|) (= (select .cse3 0) 48) (= |v_#NULL.base_1| 0) (= (select |v_#valid_9| 0) 0) (= 12 (select |v_#length_5| 4)) (= (select .cse2 .cse1) |v_~#gl_list~0.base_7|) (= 0 (select .cse4 1)) (= (select |v_#valid_9| 4) 1) (= (select |v_#valid_9| 1) 1) (= 16 (select |v_#length_5| 2)) (= (select |v_#length_5| 3) 2) (= |v_~#gl_list~0.offset_7| 0) (= (select |v_#valid_9| 3) 1) (= 8 (select |v_#length_5| 5)) (= (select .cse3 1) 0) (= 48 (select .cse4 0)) (= 2 (select |v_#length_5| 1)) (= |v_#NULL.offset_1| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_31|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_32|, #length=|v_#length_5|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_31|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, ~#gl_list~0.base=|v_~#gl_list~0.base_7|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_31|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_32|, #NULL.offset=|v_#NULL.offset_1|, ~#gl_list~0.offset=|v_~#gl_list~0.offset_7|, #length=|v_#length_5|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_31|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~#gl_list~0.base, #NULL.offset, ~#gl_list~0.offset, #NULL.base] {159#true} is VALID [2022-04-27 15:56:02,192 INFO L290 TraceCheckUtils]: 1: Hoare triple {159#true} [603] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-27 15:56:02,194 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {159#true} {159#true} [810] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-27 15:56:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-27 15:56:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-27 15:56:02,215 INFO L290 TraceCheckUtils]: 0: Hoare triple {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} [606] gl_readENTRY-->L687-1: Formula: true InVars {} OutVars{gl_read_~tmp___0~0=v_gl_read_~tmp___0~0_2, gl_read_~tmp~1=v_gl_read_~tmp~1_1} AuxVars[] AssignedVars[gl_read_~tmp___0~0, gl_read_~tmp~1] {159#true} is VALID [2022-04-27 15:56:02,215 INFO L290 TraceCheckUtils]: 1: Hoare triple {159#true} [608] L687-1-->L692: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,216 INFO L290 TraceCheckUtils]: 2: Hoare triple {160#false} [613] L692-->gl_readEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,216 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {160#false} {159#true} [811] gl_readEXIT-->L839-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,217 INFO L272 TraceCheckUtils]: 0: Hoare triple {159#true} [598] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {168#(and (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-27 15:56:02,217 INFO L290 TraceCheckUtils]: 1: Hoare triple {168#(and (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [600] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_$Pointer$.offset_31| |v_~#gl_list~0.base_7|)) (.cse2 (select |v_#memory_$Pointer$.base_31| |v_~#gl_list~0.base_7|)) (.cse1 (+ 4 |v_~#gl_list~0.offset_7|)) (.cse3 (select |v_#memory_int_32| 1)) (.cse4 (select |v_#memory_int_32| 3))) (and (= (select |v_#valid_9| 2) 1) (= |v_~#gl_list~0.offset_7| (select .cse0 .cse1)) (= (select |v_#valid_9| 5) 1) (= 5 |v_~#gl_list~0.base_7|) (= (select .cse2 |v_~#gl_list~0.offset_7|) |v_~#gl_list~0.base_7|) (= (select .cse0 |v_~#gl_list~0.offset_7|) |v_~#gl_list~0.offset_7|) (< 0 |v_#StackHeapBarrier_1|) (= (select .cse3 0) 48) (= |v_#NULL.base_1| 0) (= (select |v_#valid_9| 0) 0) (= 12 (select |v_#length_5| 4)) (= (select .cse2 .cse1) |v_~#gl_list~0.base_7|) (= 0 (select .cse4 1)) (= (select |v_#valid_9| 4) 1) (= (select |v_#valid_9| 1) 1) (= 16 (select |v_#length_5| 2)) (= (select |v_#length_5| 3) 2) (= |v_~#gl_list~0.offset_7| 0) (= (select |v_#valid_9| 3) 1) (= 8 (select |v_#length_5| 5)) (= (select .cse3 1) 0) (= 48 (select .cse4 0)) (= 2 (select |v_#length_5| 1)) (= |v_#NULL.offset_1| 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_31|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_32|, #length=|v_#length_5|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_31|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|, ~#gl_list~0.base=|v_~#gl_list~0.base_7|, #memory_$Pointer$.base=|v_#memory_$Pointer$.base_31|, #valid=|v_#valid_9|, #memory_int=|v_#memory_int_32|, #NULL.offset=|v_#NULL.offset_1|, ~#gl_list~0.offset=|v_~#gl_list~0.offset_7|, #length=|v_#length_5|, #memory_$Pointer$.offset=|v_#memory_$Pointer$.offset_31|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~#gl_list~0.base, #NULL.offset, ~#gl_list~0.offset, #NULL.base] {159#true} is VALID [2022-04-27 15:56:02,217 INFO L290 TraceCheckUtils]: 2: Hoare triple {159#true} [603] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-27 15:56:02,217 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {159#true} {159#true} [810] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-27 15:56:02,218 INFO L272 TraceCheckUtils]: 4: Hoare triple {159#true} [599] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-27 15:56:02,218 INFO L290 TraceCheckUtils]: 5: Hoare triple {159#true} [602] mainENTRY-->L839: Formula: true InVars {} OutVars{main_~__cil_tmp2~1.offset=v_main_~__cil_tmp2~1.offset_2, main_~__cil_tmp1~0.offset=v_main_~__cil_tmp1~0.offset_1, main_~__cil_tmp2~1.base=v_main_~__cil_tmp2~1.base_2, main_~__cil_tmp1~0.base=v_main_~__cil_tmp1~0.base_1} AuxVars[] AssignedVars[main_~__cil_tmp1~0.base, main_~__cil_tmp2~1.offset, main_~__cil_tmp1~0.offset, main_~__cil_tmp2~1.base] {159#true} is VALID [2022-04-27 15:56:02,219 INFO L272 TraceCheckUtils]: 6: Hoare triple {159#true} [604] L839-->gl_readENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-27 15:56:02,219 INFO L290 TraceCheckUtils]: 7: Hoare triple {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} [606] gl_readENTRY-->L687-1: Formula: true InVars {} OutVars{gl_read_~tmp___0~0=v_gl_read_~tmp___0~0_2, gl_read_~tmp~1=v_gl_read_~tmp~1_1} AuxVars[] AssignedVars[gl_read_~tmp___0~0, gl_read_~tmp~1] {159#true} is VALID [2022-04-27 15:56:02,219 INFO L290 TraceCheckUtils]: 8: Hoare triple {159#true} [608] L687-1-->L692: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,220 INFO L290 TraceCheckUtils]: 9: Hoare triple {160#false} [613] L692-->gl_readEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,220 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {160#false} {159#true} [811] gl_readEXIT-->L839-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,220 INFO L290 TraceCheckUtils]: 11: Hoare triple {160#false} [605] L839-1-->L841: Formula: (and (= |v_~#gl_list~0.base_3| v_main_~__cil_tmp1~0.base_2) (= v_main_~__cil_tmp1~0.offset_2 |v_~#gl_list~0.offset_3|)) InVars {~#gl_list~0.offset=|v_~#gl_list~0.offset_3|, ~#gl_list~0.base=|v_~#gl_list~0.base_3|} OutVars{~#gl_list~0.offset=|v_~#gl_list~0.offset_3|, ~#gl_list~0.base=|v_~#gl_list~0.base_3|, main_~__cil_tmp1~0.offset=v_main_~__cil_tmp1~0.offset_2, main_~__cil_tmp1~0.base=v_main_~__cil_tmp1~0.base_2} AuxVars[] AssignedVars[main_~__cil_tmp1~0.base, main_~__cil_tmp1~0.offset] {160#false} is VALID [2022-04-27 15:56:02,220 INFO L272 TraceCheckUtils]: 12: Hoare triple {160#false} [607] L841-->inspectENTRY: Formula: (and (= v_main_~__cil_tmp1~0.offset_4 |v_inspect_#in~head.offsetInParam_1|) (= |v_inspect_#in~head.baseInParam_1| v_main_~__cil_tmp1~0.base_4)) InVars {main_~__cil_tmp1~0.offset=v_main_~__cil_tmp1~0.offset_4, main_~__cil_tmp1~0.base=v_main_~__cil_tmp1~0.base_4} OutVars{inspect_#in~head.offset=|v_inspect_#in~head.offsetInParam_1|, inspect_#in~head.base=|v_inspect_#in~head.baseInParam_1|} AuxVars[] AssignedVars[main_~__cil_tmp1~0.base, inspect_#in~head.offset, inspect_#in~head.base, main_~__cil_tmp1~0.offset] {160#false} is VALID [2022-04-27 15:56:02,221 INFO L290 TraceCheckUtils]: 13: Hoare triple {160#false} [612] inspectENTRY-->L179loopEntry: Formula: (and (= v_inspect_~head.base_3 |v_inspect_#in~head.base_1|) (= v_inspect_~head.offset_3 |v_inspect_#in~head.offset_1|)) InVars {inspect_#in~head.offset=|v_inspect_#in~head.offset_1|, inspect_#in~head.base=|v_inspect_#in~head.base_1|} OutVars{inspect_~__cil_tmp58~0=v_inspect_~__cil_tmp58~0_2, inspect_~__cil_tmp40~0.offset=v_inspect_~__cil_tmp40~0.offset_2, inspect_~__cil_tmp100~0.offset=v_inspect_~__cil_tmp100~0.offset_1, inspect_~__cil_tmp83~0.offset=v_inspect_~__cil_tmp83~0.offset_1, inspect_~__cil_tmp112~0=v_inspect_~__cil_tmp112~0_1, inspect_~__cil_tmp17~0.base=v_inspect_~__cil_tmp17~0.base_1, inspect_~__cil_tmp72~0.base=v_inspect_~__cil_tmp72~0.base_2, inspect_~__cil_tmp26~0.base=v_inspect_~__cil_tmp26~0.base_2, inspect_~__cil_tmp93~0.offset=v_inspect_~__cil_tmp93~0.offset_1, inspect_~__cil_tmp10~0.offset=v_inspect_~__cil_tmp10~0.offset_1, inspect_~__cil_tmp78~0.base=v_inspect_~__cil_tmp78~0.base_2, inspect_~__cil_tmp50~0.offset=v_inspect_~__cil_tmp50~0.offset_2, inspect_~__cil_tmp74~0=v_inspect_~__cil_tmp74~0_2, inspect_~__cil_tmp23~0.offset=v_inspect_~__cil_tmp23~0.offset_1, inspect_~__cil_tmp104~0=v_inspect_~__cil_tmp104~0_1, inspect_~__cil_tmp33~0.offset=v_inspect_~__cil_tmp33~0.offset_2, inspect_~__cil_tmp113~0.offset=v_inspect_~__cil_tmp113~0.offset_1, inspect_~__cil_tmp41~0=v_inspect_~__cil_tmp41~0_2, inspect_~__cil_tmp122~0=v_inspect_~__cil_tmp122~0_1, inspect_~__cil_tmp114~0=v_inspect_~__cil_tmp114~0_1, inspect_~__cil_tmp69~0.base=v_inspect_~__cil_tmp69~0.base_2, inspect_~head.offset=v_inspect_~head.offset_3, inspect_~__cil_tmp92~0=v_inspect_~__cil_tmp92~0_1, inspect_~__cil_tmp66~0=v_inspect_~__cil_tmp66~0_2, inspect_~__cil_tmp116~0.offset=v_inspect_~__cil_tmp116~0.offset_1, inspect_~__cil_tmp90~0.base=v_inspect_~__cil_tmp90~0.base_1, inspect_~__cil_tmp8~0=v_inspect_~__cil_tmp8~0_1, inspect_~__cil_tmp94~0=v_inspect_~__cil_tmp94~0_1, inspect_~__cil_tmp102~0=v_inspect_~__cil_tmp102~0_1, inspect_~__cil_tmp80~0=v_inspect_~__cil_tmp80~0_2, inspect_~__cil_tmp59~0.base=v_inspect_~__cil_tmp59~0.base_2, inspect_~__cil_tmp48~0=v_inspect_~__cil_tmp48~0_2, inspect_~__cil_tmp29~0.offset=v_inspect_~__cil_tmp29~0.offset_2, inspect_~__cil_tmp35~0=v_inspect_~__cil_tmp35~0_2, inspect_~__cil_tmp76~0=v_inspect_~__cil_tmp76~0_2, inspect_~__cil_tmp36~0.base=v_inspect_~__cil_tmp36~0.base_2, inspect_~__cil_tmp46~0=v_inspect_~__cil_tmp46~0_2, inspect_~__cil_tmp89~0=v_inspect_~__cil_tmp89~0_1, inspect_~__cil_tmp105~0.base=v_inspect_~__cil_tmp105~0.base_1, inspect_~__cil_tmp79~0.offset=v_inspect_~__cil_tmp79~0.offset_2, inspect_~__cil_tmp90~0.offset=v_inspect_~__cil_tmp90~0.offset_1, inspect_~__cil_tmp82~0=v_inspect_~__cil_tmp82~0_3, inspect_#in~head.offset=|v_inspect_#in~head.offset_1|, inspect_~__cil_tmp59~0.offset=v_inspect_~__cil_tmp59~0.offset_2, inspect_~__cil_tmp69~0.offset=v_inspect_~__cil_tmp69~0.offset_2, inspect_~__cil_tmp51~0=v_inspect_~__cil_tmp51~0_2, inspect_~__cil_tmp21~0=v_inspect_~__cil_tmp21~0_1, inspect_~__cil_tmp6~0=v_inspect_~__cil_tmp6~0_1, inspect_~__cil_tmp117~0=v_inspect_~__cil_tmp117~0_1, inspect_~__cil_tmp88~0=v_inspect_~__cil_tmp88~0_1, inspect_~__cil_tmp28~0=v_inspect_~__cil_tmp28~0_2, inspect_~__cil_tmp17~0.offset=v_inspect_~__cil_tmp17~0.offset_1, inspect_~__cil_tmp37~0=v_inspect_~__cil_tmp37~0_2, inspect_~__cil_tmp108~0=v_inspect_~__cil_tmp108~0_1, inspect_~__cil_tmp55~0.base=v_inspect_~__cil_tmp55~0.base_2, inspect_~node~0.offset=v_inspect_~node~0.offset_10, inspect_~__cil_tmp11~0=v_inspect_~__cil_tmp11~0_1, inspect_~__cil_tmp71~0=v_inspect_~__cil_tmp71~0_4, inspect_~__cil_tmp64~0.offset=v_inspect_~__cil_tmp64~0.offset_2, inspect_~__cil_tmp54~0=v_inspect_~__cil_tmp54~0_2, inspect_~__cil_tmp31~0.base=v_inspect_~__cil_tmp31~0.base_2, inspect_~__cil_tmp97~0=v_inspect_~__cil_tmp97~0_1, inspect_~__cil_tmp18~0=v_inspect_~__cil_tmp18~0_1, inspect_~head.base=v_inspect_~head.base_3, inspect_~__cil_tmp62~0=v_inspect_~__cil_tmp62~0_2, inspect_~__cil_tmp55~0.offset=v_inspect_~__cil_tmp55~0.offset_2, inspect_~__cil_tmp33~0.base=v_inspect_~__cil_tmp33~0.base_2, inspect_~__cil_tmp119~0.base=v_inspect_~__cil_tmp119~0.base_1, inspect_~__cil_tmp106~0=v_inspect_~__cil_tmp106~0_1, inspect_~__cil_tmp110~0=v_inspect_~__cil_tmp110~0_1, inspect_~__cil_tmp99~0=v_inspect_~__cil_tmp99~0_1, inspect_~__cil_tmp56~0=v_inspect_~__cil_tmp56~0_2, inspect_~__cil_tmp45~0.offset=v_inspect_~__cil_tmp45~0.offset_2, inspect_~__cil_tmp50~0.base=v_inspect_~__cil_tmp50~0.base_2, inspect_~__cil_tmp15~0.offset=v_inspect_~__cil_tmp15~0.offset_1, inspect_~__cil_tmp13~0=v_inspect_~__cil_tmp13~0_1, inspect_~__cil_tmp119~0.offset=v_inspect_~__cil_tmp119~0.offset_1, inspect_~__cil_tmp9~0=v_inspect_~__cil_tmp9~0_1, inspect_~__cil_tmp39~0=v_inspect_~__cil_tmp39~0_2, inspect_~__cil_tmp109~0.offset=v_inspect_~__cil_tmp109~0.offset_1, inspect_~__cil_tmp60~0=v_inspect_~__cil_tmp60~0_2, inspect_~__cil_tmp36~0.offset=v_inspect_~__cil_tmp36~0.offset_2, inspect_~__cil_tmp4~0.offset=v_inspect_~__cil_tmp4~0.offset_1, inspect_~__cil_tmp30~0=v_inspect_~__cil_tmp30~0_2, inspect_~__cil_tmp84~0.offset=v_inspect_~__cil_tmp84~0.offset_1, inspect_~__cil_tmp43~0=v_inspect_~__cil_tmp43~0_2, inspect_~__cil_tmp86~0=v_inspect_~__cil_tmp86~0_1, inspect_~__cil_tmp118~0.offset=v_inspect_~__cil_tmp118~0.offset_1, inspect_~__cil_tmp73~0=v_inspect_~__cil_tmp73~0_2, inspect_~__cil_tmp26~0.offset=v_inspect_~__cil_tmp26~0.offset_2, inspect_~__cil_tmp120~0.base=v_inspect_~__cil_tmp120~0.base_1, inspect_~__cil_tmp79~0.base=v_inspect_~__cil_tmp79~0.base_2, inspect_~__cil_tmp84~0.base=v_inspect_~__cil_tmp84~0.base_1, inspect_~__cil_tmp121~0=v_inspect_~__cil_tmp121~0_1, inspect_~__cil_tmp4~0.base=v_inspect_~__cil_tmp4~0.base_1, inspect_~__cil_tmp67~0=v_inspect_~__cil_tmp67~0_2, inspect_~__cil_tmp91~0=v_inspect_~__cil_tmp91~0_1, inspect_~__cil_tmp23~0.base=v_inspect_~__cil_tmp23~0.base_1, inspect_~__cil_tmp32~0.base=v_inspect_~__cil_tmp32~0.base_2, inspect_~__cil_tmp24~0=v_inspect_~__cil_tmp24~0_1, inspect_~__cil_tmp7~0=v_inspect_~__cil_tmp7~0_1, inspect_~__cil_tmp22~0=v_inspect_~__cil_tmp22~0_1, inspect_~__cil_tmp93~0.base=v_inspect_~__cil_tmp93~0.base_1, inspect_~__cil_tmp57~0=v_inspect_~__cil_tmp57~0_2, inspect_~__cil_tmp101~0.base=v_inspect_~__cil_tmp101~0.base_1, inspect_~__cil_tmp49~0=v_inspect_~__cil_tmp49~0_2, inspect_~__cil_tmp14~0=v_inspect_~__cil_tmp14~0_1, inspect_~__cil_tmp75~0=v_inspect_~__cil_tmp75~0_4, inspect_~__cil_tmp116~0.base=v_inspect_~__cil_tmp116~0.base_1, inspect_~__cil_tmp34~0=v_inspect_~__cil_tmp34~0_2, inspect_~__cil_tmp105~0.offset=v_inspect_~__cil_tmp105~0.offset_1, inspect_~__cil_tmp47~0=v_inspect_~__cil_tmp47~0_2, inspect_~__cil_tmp78~0.offset=v_inspect_~__cil_tmp78~0.offset_2, inspect_~__cil_tmp81~0=v_inspect_~__cil_tmp81~0_2, inspect_~__cil_tmp5~0=v_inspect_~__cil_tmp5~0_1, inspect_~__cil_tmp20~0=v_inspect_~__cil_tmp20~0_1, inspect_#in~head.base=|v_inspect_#in~head.base_1|, inspect_~__cil_tmp72~0.offset=v_inspect_~__cil_tmp72~0.offset_2, inspect_~__cil_tmp115~0=v_inspect_~__cil_tmp115~0_1, inspect_~__cil_tmp63~0=v_inspect_~__cil_tmp63~0_2, inspect_~__cil_tmp31~0.offset=v_inspect_~__cil_tmp31~0.offset_2, inspect_~__cil_tmp95~0=v_inspect_~__cil_tmp95~0_1, inspect_~__cil_tmp65~0=v_inspect_~__cil_tmp65~0_2, inspect_~__cil_tmp16~0=v_inspect_~__cil_tmp16~0_1, inspect_~__cil_tmp52~0=v_inspect_~__cil_tmp52~0_4, inspect_~__cil_tmp83~0.base=v_inspect_~__cil_tmp83~0.base_1, inspect_~__cil_tmp29~0.base=v_inspect_~__cil_tmp29~0.base_2, inspect_~__cil_tmp111~0.base=v_inspect_~__cil_tmp111~0.base_1, inspect_~__cil_tmp32~0.offset=v_inspect_~__cil_tmp32~0.offset_2, inspect_~__cil_tmp103~0=v_inspect_~__cil_tmp103~0_1, inspect_~__cil_tmp77~0=v_inspect_~__cil_tmp77~0_2, inspect_~__cil_tmp53~0=v_inspect_~__cil_tmp53~0_2, inspect_~__cil_tmp70~0=v_inspect_~__cil_tmp70~0_2, inspect_~__cil_tmp96~0=v_inspect_~__cil_tmp96~0_1, inspect_~__cil_tmp87~0=v_inspect_~__cil_tmp87~0_1, inspect_~__cil_tmp100~0.base=v_inspect_~__cil_tmp100~0.base_1, inspect_~__cil_tmp61~0=v_inspect_~__cil_tmp61~0_4, inspect_~node~0.base=v_inspect_~node~0.base_10, inspect_~__cil_tmp64~0.base=v_inspect_~__cil_tmp64~0.base_2, inspect_~__cil_tmp27~0=v_inspect_~__cil_tmp27~0_2, inspect_~__cil_tmp3~0=v_inspect_~__cil_tmp3~0_1, inspect_~__cil_tmp44~0=v_inspect_~__cil_tmp44~0_2, inspect_~__cil_tmp19~0=v_inspect_~__cil_tmp19~0_1, inspect_~__cil_tmp118~0.base=v_inspect_~__cil_tmp118~0.base_1, inspect_~__cil_tmp40~0.base=v_inspect_~__cil_tmp40~0.base_2, inspect_~__cil_tmp109~0.base=v_inspect_~__cil_tmp109~0.base_1, inspect_~__cil_tmp113~0.base=v_inspect_~__cil_tmp113~0.base_1, inspect_~__cil_tmp42~0=v_inspect_~__cil_tmp42~0_4, inspect_~__cil_tmp85~0=v_inspect_~__cil_tmp85~0_1, inspect_~__cil_tmp98~0=v_inspect_~__cil_tmp98~0_1, inspect_~__cil_tmp45~0.base=v_inspect_~__cil_tmp45~0.base_2, inspect_~__cil_tmp10~0.base=v_inspect_~__cil_tmp10~0.base_1, inspect_~__cil_tmp111~0.offset=v_inspect_~__cil_tmp111~0.offset_1, inspect_~__cil_tmp15~0.base=v_inspect_~__cil_tmp15~0.base_1, inspect_~__cil_tmp101~0.offset=v_inspect_~__cil_tmp101~0.offset_1, inspect_~__cil_tmp25~0=v_inspect_~__cil_tmp25~0_1, inspect_~__cil_tmp107~0=v_inspect_~__cil_tmp107~0_1, inspect_~__cil_tmp68~0=v_inspect_~__cil_tmp68~0_2, inspect_~__cil_tmp12~0=v_inspect_~__cil_tmp12~0_1, inspect_~__cil_tmp120~0.offset=v_inspect_~__cil_tmp120~0.offset_1, inspect_~__cil_tmp38~0=v_inspect_~__cil_tmp38~0_2} AuxVars[] AssignedVars[inspect_~__cil_tmp58~0, inspect_~__cil_tmp40~0.offset, inspect_~__cil_tmp100~0.offset, inspect_~__cil_tmp83~0.offset, inspect_~__cil_tmp112~0, inspect_~__cil_tmp17~0.base, inspect_~__cil_tmp72~0.base, inspect_~__cil_tmp26~0.base, inspect_~__cil_tmp93~0.offset, inspect_~__cil_tmp10~0.offset, inspect_~__cil_tmp78~0.base, inspect_~__cil_tmp50~0.offset, inspect_~__cil_tmp74~0, inspect_~__cil_tmp23~0.offset, inspect_~__cil_tmp104~0, inspect_~__cil_tmp33~0.offset, inspect_~__cil_tmp113~0.offset, inspect_~__cil_tmp41~0, inspect_~__cil_tmp122~0, inspect_~__cil_tmp114~0, inspect_~__cil_tmp69~0.base, inspect_~head.offset, inspect_~__cil_tmp92~0, inspect_~__cil_tmp66~0, inspect_~__cil_tmp116~0.offset, inspect_~__cil_tmp90~0.base, inspect_~__cil_tmp8~0, inspect_~__cil_tmp94~0, inspect_~__cil_tmp102~0, inspect_~__cil_tmp80~0, inspect_~__cil_tmp59~0.base, inspect_~__cil_tmp48~0, inspect_~__cil_tmp29~0.offset, inspect_~__cil_tmp35~0, inspect_~__cil_tmp76~0, inspect_~__cil_tmp36~0.base, inspect_~__cil_tmp46~0, inspect_~__cil_tmp89~0, inspect_~__cil_tmp105~0.base, inspect_~__cil_tmp79~0.offset, inspect_~__cil_tmp90~0.offset, inspect_~__cil_tmp82~0, inspect_~__cil_tmp59~0.offset, inspect_~__cil_tmp69~0.offset, inspect_~__cil_tmp51~0, inspect_~__cil_tmp21~0, inspect_~__cil_tmp6~0, inspect_~__cil_tmp117~0, inspect_~__cil_tmp88~0, inspect_~__cil_tmp28~0, inspect_~__cil_tmp17~0.offset, inspect_~__cil_tmp37~0, inspect_~__cil_tmp108~0, inspect_~__cil_tmp55~0.base, inspect_~node~0.offset, inspect_~__cil_tmp11~0, inspect_~__cil_tmp71~0, inspect_~__cil_tmp64~0.offset, inspect_~__cil_tmp54~0, inspect_~__cil_tmp31~0.base, inspect_~__cil_tmp97~0, inspect_~__cil_tmp18~0, inspect_~head.base, inspect_~__cil_tmp62~0, inspect_~__cil_tmp55~0.offset, inspect_~__cil_tmp33~0.base, inspect_~__cil_tmp119~0.base, inspect_~__cil_tmp106~0, inspect_~__cil_tmp110~0, inspect_~__cil_tmp99~0, inspect_~__cil_tmp56~0, inspect_~__cil_tmp45~0.offset, inspect_~__cil_tmp50~0.base, inspect_~__cil_tmp15~0.offset, inspect_~__cil_tmp13~0, inspect_~__cil_tmp119~0.offset, inspect_~__cil_tmp9~0, inspect_~__cil_tmp39~0, inspect_~__cil_tmp109~0.offset, inspect_~__cil_tmp60~0, inspect_~__cil_tmp36~0.offset, inspect_~__cil_tmp4~0.offset, inspect_~__cil_tmp30~0, inspect_~__cil_tmp84~0.offset, inspect_~__cil_tmp43~0, inspect_~__cil_tmp86~0, inspect_~__cil_tmp118~0.offset, inspect_~__cil_tmp73~0, inspect_~__cil_tmp26~0.offset, inspect_~__cil_tmp120~0.base, inspect_~__cil_tmp79~0.base, inspect_~__cil_tmp84~0.base, inspect_~__cil_tmp121~0, inspect_~__cil_tmp4~0.base, inspect_~__cil_tmp67~0, inspect_~__cil_tmp91~0, inspect_~__cil_tmp23~0.base, inspect_~__cil_tmp32~0.base, inspect_~__cil_tmp24~0, inspect_~__cil_tmp7~0, inspect_~__cil_tmp22~0, inspect_~__cil_tmp93~0.base, inspect_~__cil_tmp57~0, inspect_~__cil_tmp101~0.base, inspect_~__cil_tmp49~0, inspect_~__cil_tmp14~0, inspect_~__cil_tmp75~0, inspect_~__cil_tmp116~0.base, inspect_~__cil_tmp34~0, inspect_~__cil_tmp105~0.offset, inspect_~__cil_tmp47~0, inspect_~__cil_tmp78~0.offset, inspect_~__cil_tmp81~0, inspect_~__cil_tmp5~0, inspect_~__cil_tmp20~0, inspect_~__cil_tmp72~0.offset, inspect_~__cil_tmp115~0, inspect_~__cil_tmp63~0, inspect_~__cil_tmp31~0.offset, inspect_~__cil_tmp95~0, inspect_~__cil_tmp65~0, inspect_~__cil_tmp16~0, inspect_~__cil_tmp52~0, inspect_~__cil_tmp83~0.base, inspect_~__cil_tmp29~0.base, inspect_~__cil_tmp111~0.base, inspect_~__cil_tmp32~0.offset, inspect_~__cil_tmp103~0, inspect_~__cil_tmp77~0, inspect_~__cil_tmp53~0, inspect_~__cil_tmp70~0, inspect_~__cil_tmp96~0, inspect_~__cil_tmp87~0, inspect_~__cil_tmp100~0.base, inspect_~__cil_tmp61~0, inspect_~node~0.base, inspect_~__cil_tmp64~0.base, inspect_~__cil_tmp27~0, inspect_~__cil_tmp3~0, inspect_~__cil_tmp44~0, inspect_~__cil_tmp19~0, inspect_~__cil_tmp118~0.base, inspect_~__cil_tmp40~0.base, inspect_~__cil_tmp109~0.base, inspect_~__cil_tmp113~0.base, inspect_~__cil_tmp42~0, inspect_~__cil_tmp85~0, inspect_~__cil_tmp98~0, inspect_~__cil_tmp45~0.base, inspect_~__cil_tmp10~0.base, inspect_~__cil_tmp111~0.offset, inspect_~__cil_tmp15~0.base, inspect_~__cil_tmp101~0.offset, inspect_~__cil_tmp25~0, inspect_~__cil_tmp107~0, inspect_~__cil_tmp68~0, inspect_~__cil_tmp12~0, inspect_~__cil_tmp120~0.offset, inspect_~__cil_tmp38~0] {160#false} is VALID [2022-04-27 15:56:02,223 INFO L290 TraceCheckUtils]: 14: Hoare triple {160#false} [619] L179loopEntry-->L180: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,223 INFO L290 TraceCheckUtils]: 15: Hoare triple {160#false} [628] L180-->L183: Formula: (and (= v_inspect_~head.offset_4 0) (= v_inspect_~head.base_4 0)) InVars {inspect_~head.offset=v_inspect_~head.offset_4, inspect_~head.base=v_inspect_~head.base_4} OutVars{inspect_~head.offset=v_inspect_~head.offset_4, inspect_~head.base=v_inspect_~head.base_4} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,224 INFO L272 TraceCheckUtils]: 16: Hoare triple {160#false} [639] L183-->L47: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,224 INFO L290 TraceCheckUtils]: 17: Hoare triple {160#false} [652] L47-->failErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-27 15:56:02,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-27 15:56:02,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-27 15:56:02,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816738063] [2022-04-27 15:56:02,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816738063] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-27 15:56:02,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-27 15:56:02,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-27 15:56:02,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716922158] [2022-04-27 15:56:02,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-27 15:56:02,231 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 [2022-04-27 15:56:02,232 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-27 15:56:02,234 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 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) [2022-04-27 15:56:02,250 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-27 15:56:02,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-27 15:56:02,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-27 15:56:02,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-27 15:56:02,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-27 15:56:02,282 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) [2022-04-27 15:56:03,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-27 15:56:03,180 INFO L93 Difference]: Finished difference Result 183 states and 217 transitions. [2022-04-27 15:56:03,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-27 15:56:03,180 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 [2022-04-27 15:56:03,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-27 15:56:03,181 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-04-27 15:56:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 273 transitions. [2022-04-27 15:56:03,191 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2022-04-27 15:56:03,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 273 transitions. [2022-04-27 15:56:03,196 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 273 transitions. [2022-04-27 15:56:03,263 WARN L143 InductivityCheck]: Transition 172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |old(#valid)| |#valid|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) ( _ , [653] L47-->L47: 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] , 160#false ) not inductive [2022-04-27 15:56:03,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-27 15:56:03,266 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 255 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-04-27 15:56:03,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 142 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-27 15:56:03,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-27 15:56:03,268 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inductivity failed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:103) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.checkEnhancement(BasicCegarLoop.java:486) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:391) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:409) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:300) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:260) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:152) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-04-27 15:56:03,270 INFO L158 Benchmark]: Toolchain (without parser) took 2601.36ms. Allocated memory was 164.6MB in the beginning and 230.7MB in the end (delta: 66.1MB). Free memory was 109.7MB in the beginning and 132.8MB in the end (delta: -23.1MB). Peak memory consumption was 95.9MB. Max. memory is 8.0GB. [2022-04-27 15:56:03,271 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-27 15:56:03,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.72ms. Allocated memory was 164.6MB in the beginning and 230.7MB in the end (delta: 66.1MB). Free memory was 109.5MB in the beginning and 193.0MB in the end (delta: -83.5MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. [2022-04-27 15:56:03,271 INFO L158 Benchmark]: Boogie Preprocessor took 54.61ms. Allocated memory is still 230.7MB. Free memory was 193.0MB in the beginning and 187.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-04-27 15:56:03,272 INFO L158 Benchmark]: RCFGBuilder took 737.35ms. Allocated memory is still 230.7MB. Free memory was 187.8MB in the beginning and 147.5MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-04-27 15:56:03,272 INFO L158 Benchmark]: IcfgTransformer took 147.33ms. Allocated memory is still 230.7MB. Free memory was 147.5MB in the beginning and 138.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-04-27 15:56:03,272 INFO L158 Benchmark]: TraceAbstraction took 1308.10ms. Allocated memory is still 230.7MB. Free memory was 137.5MB in the beginning and 132.8MB in the end (delta: 4.7MB). Peak memory consumption was 57.6MB. Max. memory is 8.0GB. [2022-04-27 15:56:03,274 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: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 126.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 349.72ms. Allocated memory was 164.6MB in the beginning and 230.7MB in the end (delta: 66.1MB). Free memory was 109.5MB in the beginning and 193.0MB in the end (delta: -83.5MB). Peak memory consumption was 6.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.61ms. Allocated memory is still 230.7MB. Free memory was 193.0MB in the beginning and 187.8MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 737.35ms. Allocated memory is still 230.7MB. Free memory was 187.8MB in the beginning and 147.5MB in the end (delta: 40.4MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * IcfgTransformer took 147.33ms. Allocated memory is still 230.7MB. Free memory was 147.5MB in the beginning and 138.0MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1308.10ms. Allocated memory is still 230.7MB. Free memory was 137.5MB in the beginning and 132.8MB in the end (delta: 4.7MB). Peak memory consumption was 57.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inductivity failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inductivity failed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.evaluateResult(InductivityCheck.java:145) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-04-27 15:56:03,300 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...