/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/verifythis/tree_del_iter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-6c470ae [2022-02-14 21:42:32,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-14 21:42:32,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-14 21:42:33,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-14 21:42:33,032 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-14 21:42:33,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-14 21:42:33,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-14 21:42:33,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-14 21:42:33,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-14 21:42:33,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-14 21:42:33,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-14 21:42:33,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-14 21:42:33,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-14 21:42:33,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-14 21:42:33,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-14 21:42:33,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-14 21:42:33,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-14 21:42:33,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-14 21:42:33,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-14 21:42:33,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-14 21:42:33,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-14 21:42:33,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-14 21:42:33,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-14 21:42:33,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-14 21:42:33,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-14 21:42:33,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-14 21:42:33,072 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-14 21:42:33,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-14 21:42:33,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-14 21:42:33,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-14 21:42:33,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-14 21:42:33,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-14 21:42:33,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-14 21:42:33,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-14 21:42:33,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-14 21:42:33,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-14 21:42:33,078 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-14 21:42:33,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-14 21:42:33,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-14 21:42:33,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-14 21:42:33,087 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-14 21:42:33,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-14 21:42:33,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-14 21:42:33,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-14 21:42:33,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-14 21:42:33,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-14 21:42:33,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-14 21:42:33,088 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-14 21:42:33,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-14 21:42:33,088 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-14 21:42:33,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-14 21:42:33,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-14 21:42:33,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-14 21:42:33,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-14 21:42:33,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-14 21:42:33,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-14 21:42:33,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-14 21:42:33,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-14 21:42:33,090 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-14 21:42:33,090 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-14 21:42:33,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-14 21:42:33,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-14 21:42:33,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-14 21:42:33,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-14 21:42:33,271 INFO L275 PluginConnector]: CDTParser initialized [2022-02-14 21:42:33,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-02-14 21:42:33,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/556fefb18/b83707d689e9469da7262e6497cfb2d7/FLAG2b1d32373 [2022-02-14 21:42:33,701 INFO L306 CDTParser]: Found 1 translation units. [2022-02-14 21:42:33,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-02-14 21:42:33,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/556fefb18/b83707d689e9469da7262e6497cfb2d7/FLAG2b1d32373 [2022-02-14 21:42:33,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/556fefb18/b83707d689e9469da7262e6497cfb2d7 [2022-02-14 21:42:33,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-14 21:42:33,718 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-14 21:42:33,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-14 21:42:33,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-14 21:42:33,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-14 21:42:33,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdf87ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33, skipping insertion in model container [2022-02-14 21:42:33,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-14 21:42:33,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-14 21:42:33,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter.c[586,599] [2022-02-14 21:42:33,867 WARN L1545 CHandler]: Possible shadowing of function min [2022-02-14 21:42:33,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-14 21:42:33,883 INFO L203 MainTranslator]: Completed pre-run [2022-02-14 21:42:33,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter.c[586,599] [2022-02-14 21:42:33,901 WARN L1545 CHandler]: Possible shadowing of function min [2022-02-14 21:42:33,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-14 21:42:33,923 INFO L208 MainTranslator]: Completed translation [2022-02-14 21:42:33,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33 WrapperNode [2022-02-14 21:42:33,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-14 21:42:33,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-14 21:42:33,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-14 21:42:33,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-14 21:42:33,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-14 21:42:33,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-14 21:42:33,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-14 21:42:33,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-14 21:42:33,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 09:42:33" (1/1) ... [2022-02-14 21:42:33,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-14 21:42:33,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-14 21:42:33,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-14 21:42:33,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-14 21:42:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-14 21:42:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-14 21:42:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_cycle_if_not [2022-02-14 21:42:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-14 21:42:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-14 21:42:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-14 21:42:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-14 21:42:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-14 21:42:34,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure assume_cycle_if_not [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-14 21:42:34,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure min [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure size [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure task [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-14 21:42:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-14 21:42:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-14 21:42:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-14 21:42:34,090 INFO L234 CfgBuilder]: Building ICFG [2022-02-14 21:42:34,091 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-14 21:42:34,392 INFO L275 CfgBuilder]: Performing block encoding [2022-02-14 21:42:34,397 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-14 21:42:34,397 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-14 21:42:34,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 09:42:34 BoogieIcfgContainer [2022-02-14 21:42:34,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-14 21:42:34,399 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-14 21:42:34,400 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-14 21:42:34,401 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-14 21:42:34,403 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 09:42:34" (1/1) ... [2022-02-14 21:42:34,462 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 0 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-02-14 21:42:34,462 INFO L91 elerationTransformer]: Accelerated Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] to Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2022-02-14 21:42:34,475 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 6 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-14 21:42:34,476 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation has thrown an exception: java.lang.IllegalArgumentException: NONLINEAR_UPDATE Monomial contains modified variable. Monomial (select (select |#memory_$Pointer$.offset| tree_del_~tt~0.base) (+ tree_del_~tt~0.offset 4)), Variable tree_del_~tt~0.base at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAccelerationIcfgTransformer$JordanLoopAccelerationTransformer.transform(JordanLoopAccelerationIcfgTransformer.java:100) at de.uni_freiburg.informatik.ultimate.icfgtransformer.TransformedIcfgBuilder.createNewLocalTransition(TransformedIcfgBuilder.java:479) at de.uni_freiburg.informatik.ultimate.icfgtransformer.TransformedIcfgBuilder.createNewTransition(TransformedIcfgBuilder.java:198) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformer.processLocations(IcfgTransformer.java:116) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformer.transform(IcfgTransformer.java:96) at de.uni_freiburg.informatik.ultimate.icfgtransformer.IcfgTransformer.(IcfgTransformer.java:83) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAccelerationIcfgTransformer.(JordanLoopAccelerationIcfgTransformer.java:71) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.applyLoopAccelerationJordan(IcfgTransformationObserver.java:285) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.createTransformer(IcfgTransformationObserver.java:176) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.processIcfg(IcfgTransformationObserver.java:147) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.process(IcfgTransformationObserver.java:136) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2022-02-14 21:42:34,481 INFO L158 Benchmark]: Toolchain (without parser) took 761.92ms. Allocated memory was 183.5MB in the beginning and 282.1MB in the end (delta: 98.6MB). Free memory was 129.2MB in the beginning and 224.3MB in the end (delta: -95.1MB). Peak memory consumption was 3.2MB. Max. memory is 8.0GB. [2022-02-14 21:42:34,482 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 145.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-14 21:42:34,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.36ms. Allocated memory was 183.5MB in the beginning and 282.1MB in the end (delta: 98.6MB). Free memory was 129.0MB in the beginning and 251.6MB in the end (delta: -122.5MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-02-14 21:42:34,483 INFO L158 Benchmark]: Boogie Preprocessor took 33.93ms. Allocated memory is still 282.1MB. Free memory was 251.6MB in the beginning and 249.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-14 21:42:34,484 INFO L158 Benchmark]: RCFGBuilder took 439.74ms. Allocated memory is still 282.1MB. Free memory was 249.5MB in the beginning and 228.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-02-14 21:42:34,484 INFO L158 Benchmark]: IcfgTransformer took 80.23ms. Allocated memory is still 282.1MB. Free memory was 228.5MB in the beginning and 224.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-14 21:42:34,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 0 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 183.5MB. Free memory is still 145.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 202.36ms. Allocated memory was 183.5MB in the beginning and 282.1MB in the end (delta: 98.6MB). Free memory was 129.0MB in the beginning and 251.6MB in the end (delta: -122.5MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.93ms. Allocated memory is still 282.1MB. Free memory was 251.6MB in the beginning and 249.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 439.74ms. Allocated memory is still 282.1MB. Free memory was 249.5MB in the beginning and 228.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 80.23ms. Allocated memory is still 282.1MB. Free memory was 228.5MB in the beginning and 224.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - ExceptionOrErrorResult: IllegalArgumentException: NONLINEAR_UPDATE Monomial contains modified variable. Monomial (select (select |#memory_$Pointer$.offset| tree_del_~tt~0.base) (+ tree_del_~tt~0.offset 4)), Variable tree_del_~tt~0.base de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: IllegalArgumentException: NONLINEAR_UPDATE Monomial contains modified variable. Monomial (select (select |#memory_$Pointer$.offset| tree_del_~tt~0.base) (+ tree_del_~tt~0.offset 4)), Variable tree_del_~tt~0.base: de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.jordan.JordanLoopAccelerationIcfgTransformer$JordanLoopAccelerationTransformer.transform(JordanLoopAccelerationIcfgTransformer.java:100) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-02-14 21:42:34,516 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...