/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-7390193 [2022-04-05 01:21:18,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 01:21:18,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 01:21:18,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 01:21:18,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 01:21:18,325 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 01:21:18,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 01:21:18,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 01:21:18,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 01:21:18,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 01:21:18,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 01:21:18,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 01:21:18,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 01:21:18,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 01:21:18,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 01:21:18,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 01:21:18,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 01:21:18,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 01:21:18,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 01:21:18,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 01:21:18,342 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 01:21:18,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 01:21:18,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 01:21:18,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 01:21:18,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 01:21:18,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-05 01:21:18,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-05 01:21:18,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-05 01:21:18,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-05 01:21:18,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-05 01:21:18,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-05 01:21:18,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-05 01:21:18,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-05 01:21:18,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-05 01:21:18,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-05 01:21:18,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-05 01:21:18,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-05 01:21:18,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-05 01:21:18,359 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-05 01:21:18,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 01:21:18,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 01:21:18,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 01:21:18,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 01:21:18,374 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 01:21:18,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 01:21:18,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 01:21:18,376 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 01:21:18,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 01:21:18,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 01:21:18,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 01:21:18,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 01:21:18,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 01:21:18,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 01:21:18,377 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 01:21:18,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 01:21:18,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 01:21:18,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 01:21:18,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 01:21:18,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 01:21:18,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 01:21:18,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 01:21:18,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 01:21:18,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 01:21:18,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 01:21:18,378 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 01:21:18,378 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 01:21:18,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 01:21:18,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 01:21:18,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 01:21:18,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 01:21:18,546 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 01:21:18,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-04-05 01:21:18,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f102cf602/31c08dde1f234280a58a4516b4a2332c/FLAGf3c3d5c4a [2022-04-05 01:21:18,933 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 01:21:18,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-04-05 01:21:18,940 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f102cf602/31c08dde1f234280a58a4516b4a2332c/FLAGf3c3d5c4a [2022-04-05 01:21:18,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f102cf602/31c08dde1f234280a58a4516b4a2332c [2022-04-05 01:21:18,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 01:21:18,951 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 01:21:18,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 01:21:18,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 01:21:18,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 01:21:18,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 01:21:18" (1/1) ... [2022-04-05 01:21:18,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21859ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:18, skipping insertion in model container [2022-04-05 01:21:18,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 01:21:18" (1/1) ... [2022-04-05 01:21:18,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 01:21:18,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 01:21:19,120 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] [2022-04-05 01:21:19,133 WARN L1550 CHandler]: Possible shadowing of function min [2022-04-05 01:21:19,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 01:21:19,147 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 01:21:19,155 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] [2022-04-05 01:21:19,160 WARN L1550 CHandler]: Possible shadowing of function min [2022-04-05 01:21:19,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 01:21:19,176 INFO L208 MainTranslator]: Completed translation [2022-04-05 01:21:19,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19 WrapperNode [2022-04-05 01:21:19,177 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 01:21:19,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 01:21:19,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 01:21:19,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 01:21:19,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 01:21:19,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 01:21:19,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 01:21:19,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 01:21:19,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 01:21:19,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 01:21:19,238 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) [2022-04-05 01:21:19,252 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 [2022-04-05 01:21:19,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_cycle_if_not [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2022-04-05 01:21:19,280 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 01:21:19,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-04-05 01:21:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-04-05 01:21:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-05 01:21:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-04-05 01:21:19,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-04-05 01:21:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-04-05 01:21:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_cycle_if_not [2022-04-05 01:21:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 01:21:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 01:21:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 01:21:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure min [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 01:21:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure size [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure task [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 01:21:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 01:21:19,374 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 01:21:19,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 01:21:19,570 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 01:21:19,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 01:21:19,576 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-05 01:21:19,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 01:21:19 BoogieIcfgContainer [2022-04-05 01:21:19,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 01:21:19,578 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 01:21:19,578 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 01:21:19,579 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 01:21:19,581 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 01:21:19" (1/1) ... [2022-04-05 01:21:19,582 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 01:21:19,622 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 0 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-04-05 01:21:19,622 INFO L91 elerationTransformer]: Accelerated Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] to Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2022-04-05 01:21:19,628 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 6 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-04-05 01:21:19,629 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:287) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.createTransformer(IcfgTransformationObserver.java:178) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.processIcfg(IcfgTransformationObserver.java:148) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.process(IcfgTransformationObserver.java:137) 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) [2022-04-05 01:21:19,632 INFO L158 Benchmark]: Toolchain (without parser) took 680.29ms. Allocated memory was 256.9MB in the beginning and 354.4MB in the end (delta: 97.5MB). Free memory was 199.9MB in the beginning and 295.6MB in the end (delta: -95.6MB). Peak memory consumption was 1.9MB. Max. memory is 8.0GB. [2022-04-05 01:21:19,632 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 256.9MB. Free memory is still 216.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 01:21:19,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.88ms. Allocated memory was 256.9MB in the beginning and 354.4MB in the end (delta: 97.5MB). Free memory was 199.7MB in the beginning and 322.1MB in the end (delta: -122.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2022-04-05 01:21:19,633 INFO L158 Benchmark]: Boogie Preprocessor took 29.44ms. Allocated memory is still 354.4MB. Free memory was 322.1MB in the beginning and 319.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-04-05 01:21:19,633 INFO L158 Benchmark]: RCFGBuilder took 370.39ms. Allocated memory is still 354.4MB. Free memory was 319.7MB in the beginning and 300.1MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-04-05 01:21:19,634 INFO L158 Benchmark]: IcfgTransformer took 52.50ms. Allocated memory is still 354.4MB. Free memory was 300.1MB in the beginning and 295.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-05 01:21:19,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 0 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 256.9MB. Free memory is still 216.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 224.88ms. Allocated memory was 256.9MB in the beginning and 354.4MB in the end (delta: 97.5MB). Free memory was 199.7MB in the beginning and 322.1MB in the end (delta: -122.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.44ms. Allocated memory is still 354.4MB. Free memory was 322.1MB in the beginning and 319.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 370.39ms. Allocated memory is still 354.4MB. Free memory was 319.7MB in the beginning and 300.1MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * IcfgTransformer took 52.50ms. Allocated memory is still 354.4MB. Free memory was 300.1MB in the beginning and 295.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - ExceptionOrErrorResult: IllegalArgumentException: NONLINEAR_UPDATE Monomial contains modified variable. Monomial (select (select |#memory_$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. [2022-04-05 01:21:19,667 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...