/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-e106359-m [2022-04-14 18:55:58,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-14 18:55:58,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-14 18:55:58,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-14 18:55:58,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-14 18:55:58,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-14 18:55:58,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-14 18:55:58,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-14 18:55:58,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-14 18:55:58,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-14 18:55:58,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-14 18:55:58,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-14 18:55:58,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-14 18:55:58,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-14 18:55:58,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-14 18:55:58,449 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-14 18:55:58,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-14 18:55:58,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-14 18:55:58,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-14 18:55:58,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-14 18:55:58,458 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-14 18:55:58,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-14 18:55:58,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-14 18:55:58,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-14 18:55:58,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-14 18:55:58,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-14 18:55:58,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-14 18:55:58,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-14 18:55:58,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-14 18:55:58,473 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-14 18:55:58,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-14 18:55:58,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-14 18:55:58,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-14 18:55:58,484 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-14 18:55:58,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-14 18:55:58,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-14 18:55:58,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-14 18:55:58,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-14 18:55:58,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-14 18:55:58,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-14 18:55:58,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-14 18:55:58,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 18:55:58,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-14 18:55:58,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-14 18:55:58,486 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-14 18:55:58,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-14 18:55:58,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-14 18:55:58,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-14 18:55:58,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-14 18:55:58,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-14 18:55:58,680 INFO L275 PluginConnector]: CDTParser initialized [2022-04-14 18:55:58,681 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-2.i [2022-04-14 18:55:58,720 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d42fc29d/397067a8af3a49118ffdedc94bc4ee75/FLAG028ec325b [2022-04-14 18:55:59,107 INFO L306 CDTParser]: Found 1 translation units. [2022-04-14 18:55:59,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-2.i [2022-04-14 18:55:59,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d42fc29d/397067a8af3a49118ffdedc94bc4ee75/FLAG028ec325b [2022-04-14 18:55:59,124 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d42fc29d/397067a8af3a49118ffdedc94bc4ee75 [2022-04-14 18:55:59,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-14 18:55:59,126 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-14 18:55:59,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-14 18:55:59,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-14 18:55:59,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-14 18:55:59,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ce6b431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59, skipping insertion in model container [2022-04-14 18:55:59,131 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-14 18:55:59,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-14 18:55:59,295 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] [2022-04-14 18:55:59,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 18:55:59,384 INFO L203 MainTranslator]: Completed pre-run [2022-04-14 18:55:59,393 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] [2022-04-14 18:55:59,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-14 18:55:59,489 INFO L208 MainTranslator]: Completed translation [2022-04-14 18:55:59,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59 WrapperNode [2022-04-14 18:55:59,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-14 18:55:59,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-14 18:55:59,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-14 18:55:59,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-14 18:55:59,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-14 18:55:59,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-14 18:55:59,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-14 18:55:59,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-14 18:55:59,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (1/1) ... [2022-04-14 18:55:59,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-14 18:55:59,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-14 18:55:59,634 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) [2022-04-14 18:55:59,641 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 [2022-04-14 18:55:59,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-14 18:55:59,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-14 18:55:59,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-14 18:55:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2022-04-14 18:55:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2022-04-14 18:55:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-04-14 18:55:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del [2022-04-14 18:55:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-04-14 18:55:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-04-14 18:55:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_insert [2022-04-14 18:55:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_read [2022-04-14 18:55:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_destroy [2022-04-14 18:55:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2022-04-14 18:55:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort_pass [2022-04-14 18:55:59,676 INFO L138 BoogieDeclarations]: Found implementation of procedure gl_sort [2022-04-14 18:55:59,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-14 18:55:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-14 18:55:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-14 18:55:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-04-14 18:55:59,678 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure gl_insert [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure gl_read [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure gl_destroy [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort_pass [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure gl_sort [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-14 18:55:59,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-14 18:55:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-14 18:55:59,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-14 18:55:59,810 INFO L234 CfgBuilder]: Building ICFG [2022-04-14 18:55:59,811 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-14 18:55:59,996 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint failFINAL: assume true; [2022-04-14 18:56:00,201 INFO L275 CfgBuilder]: Performing block encoding [2022-04-14 18:56:00,207 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-14 18:56:00,207 INFO L299 CfgBuilder]: Removed 23 assume(true) statements. [2022-04-14 18:56:00,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 06:56:00 BoogieIcfgContainer [2022-04-14 18:56:00,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-14 18:56:00,209 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-14 18:56:00,209 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-14 18:56:00,210 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-14 18:56:00,212 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 06:56:00" (1/1) ... [2022-04-14 18:56:00,213 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-14 18:56:00,290 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-14 18:56:00,290 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] [2022-04-14 18:56:00,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 06:56:00 BasicIcfg [2022-04-14 18:56:00,346 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-14 18:56:00,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-14 18:56:00,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-14 18:56:00,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-14 18:56:00,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 06:55:59" (1/4) ... [2022-04-14 18:56:00,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6749c5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 06:56:00, skipping insertion in model container [2022-04-14 18:56:00,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 06:55:59" (2/4) ... [2022-04-14 18:56:00,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6749c5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 06:56:00, skipping insertion in model container [2022-04-14 18:56:00,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 06:56:00" (3/4) ... [2022-04-14 18:56:00,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6749c5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 06:56:00, skipping insertion in model container [2022-04-14 18:56:00,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 14.04 06:56:00" (4/4) ... [2022-04-14 18:56:00,357 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-2.iJordan [2022-04-14 18:56:00,360 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-14 18:56:00,361 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-14 18:56:00,387 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-14 18:56:00,392 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 [2022-04-14 18:56:00,393 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-14 18:56:00,424 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) [2022-04-14 18:56:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-14 18:56:00,428 INFO L491 BasicCegarLoop]: Found error trace [2022-04-14 18:56:00,429 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-14 18:56:00,429 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-14 18:56:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-14 18:56:00,433 INFO L85 PathProgramCache]: Analyzing trace with hash 626291817, now seen corresponding path program 1 times [2022-04-14 18:56:00,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-14 18:56:00,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410696709] [2022-04-14 18:56:00,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-14 18:56:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-14 18:56:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 18:56:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-14 18:56:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 18:56:00,541 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$.offset_31|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~#gl_list~0.base, #NULL.offset, ~#gl_list~0.offset, #NULL.base] {159#true} is VALID [2022-04-14 18:56:00,541 INFO L290 TraceCheckUtils]: 1: Hoare triple {159#true} [603] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-14 18:56:00,542 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {159#true} {159#true} [810] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-14 18:56:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-04-14 18:56:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-14 18:56:00,555 INFO L290 TraceCheckUtils]: 0: Hoare triple {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} [606] gl_readENTRY-->L687-1: Formula: true InVars {} OutVars{gl_read_~tmp___0~0=v_gl_read_~tmp___0~0_2, gl_read_~tmp~1=v_gl_read_~tmp~1_1} AuxVars[] AssignedVars[gl_read_~tmp___0~0, gl_read_~tmp~1] {159#true} is VALID [2022-04-14 18:56:00,555 INFO L290 TraceCheckUtils]: 1: Hoare triple {159#true} [608] L687-1-->L692: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,556 INFO L290 TraceCheckUtils]: 2: Hoare triple {160#false} [613] L692-->gl_readEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,556 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {160#false} {159#true} [811] gl_readEXIT-->L839-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,557 INFO L272 TraceCheckUtils]: 0: Hoare triple {159#true} [598] ULTIMATE.startENTRY-->ULTIMATE.initENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {168#(and (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-14 18:56:00,557 INFO L290 TraceCheckUtils]: 1: Hoare triple {168#(and (= |~#gl_list~0.base| |old(~#gl_list~0.base)|) (= |~#gl_list~0.offset| |old(~#gl_list~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} [600] ULTIMATE.initENTRY-->ULTIMATE.initFINAL: Formula: (let ((.cse0 (select |v_#memory_$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$.offset_31|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[~#gl_list~0.base, #NULL.offset, ~#gl_list~0.offset, #NULL.base] {159#true} is VALID [2022-04-14 18:56:00,557 INFO L290 TraceCheckUtils]: 2: Hoare triple {159#true} [603] ULTIMATE.initFINAL-->ULTIMATE.initEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-14 18:56:00,557 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {159#true} {159#true} [810] ULTIMATE.initEXIT-->L-1: AOR: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] LVA: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-14 18:56:00,557 INFO L272 TraceCheckUtils]: 4: Hoare triple {159#true} [599] L-1-->mainENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {159#true} is VALID [2022-04-14 18:56:00,557 INFO L290 TraceCheckUtils]: 5: Hoare triple {159#true} [602] mainENTRY-->L839: Formula: true InVars {} OutVars{main_~__cil_tmp2~1.offset=v_main_~__cil_tmp2~1.offset_2, main_~__cil_tmp1~0.offset=v_main_~__cil_tmp1~0.offset_1, main_~__cil_tmp2~1.base=v_main_~__cil_tmp2~1.base_2, main_~__cil_tmp1~0.base=v_main_~__cil_tmp1~0.base_1} AuxVars[] AssignedVars[main_~__cil_tmp1~0.base, main_~__cil_tmp2~1.offset, main_~__cil_tmp1~0.offset, main_~__cil_tmp2~1.base] {159#true} is VALID [2022-04-14 18:56:00,558 INFO L272 TraceCheckUtils]: 6: Hoare triple {159#true} [604] L839-->gl_readENTRY: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-04-14 18:56:00,558 INFO L290 TraceCheckUtils]: 7: Hoare triple {169#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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 [2022-04-14 18:56:00,559 INFO L290 TraceCheckUtils]: 8: Hoare triple {159#true} [608] L687-1-->L692: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,559 INFO L290 TraceCheckUtils]: 9: Hoare triple {160#false} [613] L692-->gl_readEXIT: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,559 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 [2022-04-14 18:56:00,559 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 [2022-04-14 18:56:00,559 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 [2022-04-14 18:56:00,560 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 [2022-04-14 18:56:00,560 INFO L290 TraceCheckUtils]: 14: Hoare triple {160#false} [619] L179loopEntry-->L180: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,560 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 [2022-04-14 18:56:00,560 INFO L272 TraceCheckUtils]: 16: Hoare triple {160#false} [639] L183-->L47: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,560 INFO L290 TraceCheckUtils]: 17: Hoare triple {160#false} [652] L47-->failErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {160#false} is VALID [2022-04-14 18:56:00,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-14 18:56:00,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-14 18:56:00,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410696709] [2022-04-14 18:56:00,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410696709] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-14 18:56:00,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-14 18:56:00,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-14 18:56:00,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691095936] [2022-04-14 18:56:00,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-14 18:56:00,566 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 [2022-04-14 18:56:00,567 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-14 18:56:00,569 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) [2022-04-14 18:56:00,585 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-14 18:56:00,585 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-14 18:56:00,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-14 18:56:00,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-14 18:56:00,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-14 18:56:00,600 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) [2022-04-14 18:56:01,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-14 18:56:01,393 INFO L93 Difference]: Finished difference Result 183 states and 217 transitions. [2022-04-14 18:56:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-14 18:56:01,394 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 [2022-04-14 18:56:01,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-14 18:56:01,395 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) [2022-04-14 18:56:01,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 273 transitions. [2022-04-14 18:56:01,410 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) [2022-04-14 18:56:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 273 transitions. [2022-04-14 18:56:01,421 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 273 transitions. [2022-04-14 18:56:01,482 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 [2022-04-14 18:56:01,484 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 [2022-04-14 18:56:01,486 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 [2022-04-14 18:56:01,487 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] [2022-04-14 18:56:01,487 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-14 18:56:01,488 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:411) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:153) 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) [2022-04-14 18:56:01,490 INFO L158 Benchmark]: Toolchain (without parser) took 2363.99ms. Allocated memory was 187.7MB in the beginning and 257.9MB in the end (delta: 70.3MB). Free memory was 135.3MB in the beginning and 120.7MB in the end (delta: 14.6MB). Peak memory consumption was 84.2MB. Max. memory is 8.0GB. [2022-04-14 18:56:01,491 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-14 18:56:01,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.75ms. Allocated memory was 187.7MB in the beginning and 257.9MB in the end (delta: 70.3MB). Free memory was 135.1MB in the beginning and 222.4MB in the end (delta: -87.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-04-14 18:56:01,492 INFO L158 Benchmark]: Boogie Preprocessor took 92.49ms. Allocated memory is still 257.9MB. Free memory was 222.4MB in the beginning and 217.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-04-14 18:56:01,492 INFO L158 Benchmark]: RCFGBuilder took 625.24ms. Allocated memory is still 257.9MB. Free memory was 217.2MB in the beginning and 177.3MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. [2022-04-14 18:56:01,492 INFO L158 Benchmark]: IcfgTransformer took 137.39ms. Allocated memory is still 257.9MB. Free memory was 177.3MB in the beginning and 167.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-04-14 18:56:01,493 INFO L158 Benchmark]: TraceAbstraction took 1141.95ms. Allocated memory is still 257.9MB. Free memory was 167.5MB in the beginning and 120.7MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2022-04-14 18:56:01,494 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 187.7MB. Free memory is still 152.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 362.75ms. Allocated memory was 187.7MB in the beginning and 257.9MB in the end (delta: 70.3MB). Free memory was 135.1MB in the beginning and 222.4MB in the end (delta: -87.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 92.49ms. Allocated memory is still 257.9MB. Free memory was 222.4MB in the beginning and 217.2MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 625.24ms. Allocated memory is still 257.9MB. Free memory was 217.2MB in the beginning and 177.3MB in the end (delta: 39.9MB). Peak memory consumption was 39.8MB. Max. memory is 8.0GB. * IcfgTransformer took 137.39ms. Allocated memory is still 257.9MB. Free memory was 177.3MB in the beginning and 167.9MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1141.95ms. Allocated memory is still 257.9MB. Free memory was 167.5MB in the beginning and 120.7MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. 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. [2022-04-14 18:56:01,535 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...