/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-34549b5 [2022-04-07 16:41:43,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-07 16:41:43,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-07 16:41:43,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-07 16:41:43,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-07 16:41:43,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-07 16:41:43,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-07 16:41:43,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-07 16:41:43,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-07 16:41:43,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-07 16:41:43,542 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-07 16:41:43,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-07 16:41:43,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-07 16:41:43,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-07 16:41:43,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-07 16:41:43,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-07 16:41:43,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-07 16:41:43,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-07 16:41:43,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-07 16:41:43,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-07 16:41:43,556 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-07 16:41:43,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-07 16:41:43,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-07 16:41:43,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-07 16:41:43,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-07 16:41:43,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-07 16:41:43,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-07 16:41:43,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-07 16:41:43,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-07 16:41:43,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-07 16:41:43,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-07 16:41:43,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-07 16:41:43,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-07 16:41:43,580 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-07 16:41:43,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-07 16:41:43,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-07 16:41:43,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-07 16:41:43,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-07 16:41:43,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-07 16:41:43,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-07 16:41:43,581 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-07 16:41:43,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-07 16:41:43,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-07 16:41:43,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-07 16:41:43,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-07 16:41:43,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-07 16:41:43,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-07 16:41:43,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-07 16:41:43,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 16:41:43,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-07 16:41:43,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-07 16:41:43,583 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-07 16:41:43,583 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-07 16:41:43,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-07 16:41:43,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-07 16:41:43,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-07 16:41:43,791 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-07 16:41:43,793 INFO L275 PluginConnector]: CDTParser initialized [2022-04-07 16:41:43,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2022-04-07 16:41:43,861 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d2a67de/a2152a5afb0a46bb884134fe3c5afec7/FLAGec300a1c3 [2022-04-07 16:41:44,346 INFO L306 CDTParser]: Found 1 translation units. [2022-04-07 16:41:44,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2022-04-07 16:41:44,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d2a67de/a2152a5afb0a46bb884134fe3c5afec7/FLAGec300a1c3 [2022-04-07 16:41:44,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d2a67de/a2152a5afb0a46bb884134fe3c5afec7 [2022-04-07 16:41:44,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-07 16:41:44,638 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-07 16:41:44,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-07 16:41:44,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-07 16:41:44,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-07 16:41:44,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 04:41:44" (1/1) ... [2022-04-07 16:41:44,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6edd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:44, skipping insertion in model container [2022-04-07 16:41:44,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.04 04:41:44" (1/1) ... [2022-04-07 16:41:44,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-07 16:41:44,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-07 16:41:44,956 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] [2022-04-07 16:41:45,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 16:41:45,105 INFO L203 MainTranslator]: Completed pre-run [2022-04-07 16:41:45,135 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] [2022-04-07 16:41:45,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-07 16:41:45,266 INFO L208 MainTranslator]: Completed translation [2022-04-07 16:41:45,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45 WrapperNode [2022-04-07 16:41:45,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-07 16:41:45,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-07 16:41:45,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-07 16:41:45,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-07 16:41:45,289 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-07 16:41:45,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-07 16:41:45,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-07 16:41:45,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-07 16:41:45,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (1/1) ... [2022-04-07 16:41:45,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-07 16:41:45,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-07 16:41:45,372 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) [2022-04-07 16:41:45,405 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 [2022-04-07 16:41:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-07 16:41:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-07 16:41:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-07 16:41:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-04-07 16:41:45,425 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2022-04-07 16:41:45,426 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2022-04-07 16:41:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2022-04-07 16:41:45,427 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2022-04-07 16:41:45,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-04-07 16:41:45,429 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-07 16:41:45,430 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2022-04-07 16:41:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2022-04-07 16:41:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-07 16:41:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-07 16:41:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-07 16:41:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-07 16:41:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-07 16:41:45,536 INFO L234 CfgBuilder]: Building ICFG [2022-04-07 16:41:45,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-07 16:41:45,767 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2022-04-07 16:41:46,004 INFO L275 CfgBuilder]: Performing block encoding [2022-04-07 16:41:46,013 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-07 16:41:46,014 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2022-04-07 16:41:46,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 04:41:46 BoogieIcfgContainer [2022-04-07 16:41:46,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-07 16:41:46,016 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-07 16:41:46,016 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-07 16:41:46,017 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-07 16:41:46,019 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 04:41:46" (1/1) ... [2022-04-07 16:41:46,020 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-07 16:41:46,096 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-07 16:41:46,097 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] [2022-04-07 16:41:46,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 04:41:46 BasicIcfg [2022-04-07 16:41:46,135 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-07 16:41:46,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-07 16:41:46,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-07 16:41:46,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-07 16:41:46,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.04 04:41:44" (1/4) ... [2022-04-07 16:41:46,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf4d556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 04:41:46, skipping insertion in model container [2022-04-07 16:41:46,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.04 04:41:45" (2/4) ... [2022-04-07 16:41:46,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf4d556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 04:41:46, skipping insertion in model container [2022-04-07 16:41:46,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 04:41:46" (3/4) ... [2022-04-07 16:41:46,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cf4d556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.04 04:41:46, skipping insertion in model container [2022-04-07 16:41:46,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 07.04 04:41:46" (4/4) ... [2022-04-07 16:41:46,175 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.iJordan [2022-04-07 16:41:46,179 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-07 16:41:46,179 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-07 16:41:46,203 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-07 16:41:46,208 INFO L340 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 [2022-04-07 16:41:46,208 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-07 16:41:46,221 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) [2022-04-07 16:41:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-07 16:41:46,225 INFO L491 BasicCegarLoop]: Found error trace [2022-04-07 16:41:46,225 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-07 16:41:46,226 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-07 16:41:46,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-07 16:41:46,229 INFO L85 PathProgramCache]: Analyzing trace with hash 626291817, now seen corresponding path program 1 times [2022-04-07 16:41:46,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-07 16:41:46,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926588978] [2022-04-07 16:41:46,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-07 16:41:46,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-07 16:41:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 16:41:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-07 16:41:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 16:41:46,410 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$.offset_31|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~#gl_list~0.base, #NULL.offset, ~#gl_list~0.offset, #NULL.base] {159#true} is VALID [2022-04-07 16:41:46,410 INFO L290 TraceCheckUtils]: 1: Hoare triple {159#true} [603] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-07 16:41:46,410 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {159#true} {159#true} [810] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-07 16:41:46,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-07 16:41:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-07 16:41:46,434 INFO L290 TraceCheckUtils]: 0: Hoare triple {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} [606] gl_readENTRY-->L687-1: Formula: true InVars {} OutVars{gl_read_~tmp___0~0=v_gl_read_~tmp___0~0_2, gl_read_~tmp~1=v_gl_read_~tmp~1_1} AuxVars[] AssignedVars[gl_read_~tmp___0~0, gl_read_~tmp~1] {159#true} is VALID [2022-04-07 16:41:46,435 INFO L290 TraceCheckUtils]: 1: Hoare triple {159#true} [608] L687-1-->L692: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,435 INFO L290 TraceCheckUtils]: 2: Hoare triple {160#false} [613] L692-->gl_readEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,435 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {160#false} {159#true} [811] gl_readEXIT-->L839-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,443 INFO L272 TraceCheckUtils]: 0: Hoare triple {159#true} [598] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {168#(and (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-07 16:41:46,443 INFO L290 TraceCheckUtils]: 1: Hoare triple {168#(and (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [600] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_$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$.offset_31|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~#gl_list~0.base, #NULL.offset, ~#gl_list~0.offset, #NULL.base] {159#true} is VALID [2022-04-07 16:41:46,443 INFO L290 TraceCheckUtils]: 2: Hoare triple {159#true} [603] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-07 16:41:46,444 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {159#true} {159#true} [810] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-07 16:41:46,444 INFO L272 TraceCheckUtils]: 4: Hoare triple {159#true} [599] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-07 16:41:46,444 INFO L290 TraceCheckUtils]: 5: Hoare triple {159#true} [602] mainENTRY-->L839: Formula: true InVars {} OutVars{main_~__cil_tmp2~1.offset=v_main_~__cil_tmp2~1.offset_2, main_~__cil_tmp1~0.offset=v_main_~__cil_tmp1~0.offset_1, main_~__cil_tmp2~1.base=v_main_~__cil_tmp2~1.base_2, main_~__cil_tmp1~0.base=v_main_~__cil_tmp1~0.base_1} AuxVars[] AssignedVars[main_~__cil_tmp1~0.base, main_~__cil_tmp2~1.offset, main_~__cil_tmp1~0.offset, main_~__cil_tmp2~1.base] {159#true} is VALID [2022-04-07 16:41:46,445 INFO L272 TraceCheckUtils]: 6: Hoare triple {159#true} [604] L839-->gl_readENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-07 16:41:46,446 INFO L290 TraceCheckUtils]: 7: Hoare triple {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 [2022-04-07 16:41:46,446 INFO L290 TraceCheckUtils]: 8: Hoare triple {159#true} [608] L687-1-->L692: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,446 INFO L290 TraceCheckUtils]: 9: Hoare triple {160#false} [613] L692-->gl_readEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,446 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 [2022-04-07 16:41:46,447 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 [2022-04-07 16:41:46,448 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 [2022-04-07 16:41:46,448 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 [2022-04-07 16:41:46,450 INFO L290 TraceCheckUtils]: 14: Hoare triple {160#false} [619] L179loopEntry-->L180: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,451 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 [2022-04-07 16:41:46,451 INFO L272 TraceCheckUtils]: 16: Hoare triple {160#false} [639] L183-->L47: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,451 INFO L290 TraceCheckUtils]: 17: Hoare triple {160#false} [652] L47-->failErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-07 16:41:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-07 16:41:46,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-07 16:41:46,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926588978] [2022-04-07 16:41:46,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926588978] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-07 16:41:46,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-07 16:41:46,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-07 16:41:46,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655531806] [2022-04-07 16:41:46,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-07 16:41:46,459 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 [2022-04-07 16:41:46,460 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-07 16:41:46,462 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) [2022-04-07 16:41:46,480 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-07 16:41:46,480 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-07 16:41:46,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-07 16:41:46,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-07 16:41:46,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-07 16:41:46,504 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) [2022-04-07 16:41:47,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-07 16:41:47,391 INFO L93 Difference]: Finished difference Result 183 states and 217 transitions. [2022-04-07 16:41:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-07 16:41:47,391 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 [2022-04-07 16:41:47,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-07 16:41:47,392 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) [2022-04-07 16:41:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 273 transitions. [2022-04-07 16:41:47,402 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) [2022-04-07 16:41:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 273 transitions. [2022-04-07 16:41:47,410 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 273 transitions. [2022-04-07 16:41:47,476 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 [2022-04-07 16:41:47,478 INFO L912 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 [2022-04-07 16:41:47,480 INFO L913 BasicCegarLoop]: 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 [2022-04-07 16:41:47,480 INFO L914 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] [2022-04-07 16:41:47,481 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-07 16:41:47,482 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:1003) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:891) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:770) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:470) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:412) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) 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) [2022-04-07 16:41:47,484 INFO L158 Benchmark]: Toolchain (without parser) took 2845.89ms. Allocated memory was 159.4MB in the beginning and 206.6MB in the end (delta: 47.2MB). Free memory was 107.8MB in the beginning and 158.6MB in the end (delta: -50.8MB). Peak memory consumption was 73.5MB. Max. memory is 8.0GB. [2022-04-07 16:41:47,485 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 159.4MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-07 16:41:47,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.66ms. Allocated memory is still 159.4MB. Free memory was 107.6MB in the beginning and 123.7MB in the end (delta: -16.1MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-04-07 16:41:47,485 INFO L158 Benchmark]: Boogie Preprocessor took 60.26ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 118.6MB in the end (delta: 5.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-04-07 16:41:47,486 INFO L158 Benchmark]: RCFGBuilder took 674.72ms. Allocated memory is still 159.4MB. Free memory was 118.1MB in the beginning and 78.8MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-04-07 16:41:47,486 INFO L158 Benchmark]: IcfgTransformer took 118.66ms. Allocated memory is still 159.4MB. Free memory was 78.2MB in the beginning and 69.3MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-04-07 16:41:47,486 INFO L158 Benchmark]: TraceAbstraction took 1345.09ms. Allocated memory was 159.4MB in the beginning and 206.6MB in the end (delta: 47.2MB). Free memory was 68.8MB in the beginning and 158.6MB in the end (delta: -89.8MB). Peak memory consumption was 34.9MB. Max. memory is 8.0GB. [2022-04-07 16:41:47,488 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 159.4MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 610.66ms. Allocated memory is still 159.4MB. Free memory was 107.6MB in the beginning and 123.7MB in the end (delta: -16.1MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 60.26ms. Allocated memory is still 159.4MB. Free memory was 123.7MB in the beginning and 118.6MB in the end (delta: 5.1MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 674.72ms. Allocated memory is still 159.4MB. Free memory was 118.1MB in the beginning and 78.8MB in the end (delta: 39.3MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * IcfgTransformer took 118.66ms. Allocated memory is still 159.4MB. Free memory was 78.2MB in the beginning and 69.3MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1345.09ms. Allocated memory was 159.4MB in the beginning and 206.6MB in the end (delta: 47.2MB). Free memory was 68.8MB in the beginning and 158.6MB in the end (delta: -89.8MB). Peak memory consumption was 34.9MB. 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. [2022-04-07 16:41:47,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...