/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-05ce600 [2022-02-23 16:59:18,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-23 16:59:18,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-23 16:59:18,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-23 16:59:18,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-23 16:59:18,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-23 16:59:18,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-23 16:59:18,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-23 16:59:18,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-23 16:59:18,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-23 16:59:18,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-23 16:59:18,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-23 16:59:18,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-23 16:59:18,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-23 16:59:18,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-23 16:59:18,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-23 16:59:18,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-23 16:59:18,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-23 16:59:18,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-23 16:59:18,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-23 16:59:18,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-23 16:59:18,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-23 16:59:18,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-23 16:59:18,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-23 16:59:18,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-23 16:59:18,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-23 16:59:18,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-23 16:59:18,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-23 16:59:18,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-02-23 16:59:18,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-23 16:59:18,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-23 16:59:18,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-23 16:59:18,730 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-23 16:59:18,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-23 16:59:18,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-23 16:59:18,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-23 16:59:18,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-23 16:59:18,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-23 16:59:18,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-23 16:59:18,731 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-23 16:59:18,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-23 16:59:18,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-23 16:59:18,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-23 16:59:18,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-23 16:59:18,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-23 16:59:18,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-23 16:59:18,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-23 16:59:18,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 16:59:18,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-23 16:59:18,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-23 16:59:18,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-23 16:59:18,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-23 16:59:18,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-23 16:59:18,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-23 16:59:18,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-23 16:59:18,962 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-23 16:59:18,964 INFO L275 PluginConnector]: CDTParser initialized [2022-02-23 16:59:18,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-02-23 16:59:19,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f5da7e8/997eaa8833e8410d81f282a02741a13a/FLAGe971360dd [2022-02-23 16:59:19,439 INFO L306 CDTParser]: Found 1 translation units. [2022-02-23 16:59:19,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-02-23 16:59:19,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f5da7e8/997eaa8833e8410d81f282a02741a13a/FLAGe971360dd [2022-02-23 16:59:19,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f5da7e8/997eaa8833e8410d81f282a02741a13a [2022-02-23 16:59:19,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-23 16:59:19,827 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-23 16:59:19,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-23 16:59:19,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-23 16:59:19,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-23 16:59:19,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:59:19" (1/1) ... [2022-02-23 16:59:19,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453d82d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:19, skipping insertion in model container [2022-02-23 16:59:19,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:59:19" (1/1) ... [2022-02-23 16:59:19,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-23 16:59:19,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-23 16:59:19,984 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] [2022-02-23 16:59:20,014 WARN L1545 CHandler]: Possible shadowing of function min [2022-02-23 16:59:20,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 16:59:20,044 INFO L203 MainTranslator]: Completed pre-run [2022-02-23 16:59:20,059 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] [2022-02-23 16:59:20,077 WARN L1545 CHandler]: Possible shadowing of function min [2022-02-23 16:59:20,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-23 16:59:20,105 INFO L208 MainTranslator]: Completed translation [2022-02-23 16:59:20,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20 WrapperNode [2022-02-23 16:59:20,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-23 16:59:20,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-23 16:59:20,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-23 16:59:20,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-23 16:59:20,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-23 16:59:20,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-23 16:59:20,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-23 16:59:20,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-23 16:59:20,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-23 16:59:20,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-23 16:59:20,180 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) [2022-02-23 16:59:20,207 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 [2022-02-23 16:59:20,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-23 16:59:20,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-23 16:59:20,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_cycle_if_not [2022-02-23 16:59:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-23 16:59:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-23 16:59:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2022-02-23 16:59:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2022-02-23 16:59:20,229 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2022-02-23 16:59:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2022-02-23 16:59:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2022-02-23 16:59:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2022-02-23 16:59:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-23 16:59:20,230 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-02-23 16:59:20,231 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-02-23 16:59:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-23 16:59:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-02-23 16:59:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-02-23 16:59:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-02-23 16:59:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_cycle_if_not [2022-02-23 16:59:20,233 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-23 16:59:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure min [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure size [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure task [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-23 16:59:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-02-23 16:59:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-23 16:59:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-23 16:59:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-23 16:59:20,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-23 16:59:20,368 INFO L234 CfgBuilder]: Building ICFG [2022-02-23 16:59:20,370 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-23 16:59:20,700 INFO L275 CfgBuilder]: Performing block encoding [2022-02-23 16:59:20,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-23 16:59:20,707 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-23 16:59:20,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:59:20 BoogieIcfgContainer [2022-02-23 16:59:20,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-23 16:59:20,712 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-02-23 16:59:20,712 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-02-23 16:59:20,714 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-02-23 16:59:20,716 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:59:20" (1/1) ... [2022-02-23 16:59:20,794 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 0 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2022-02-23 16:59:20,794 INFO L91 elerationTransformer]: Accelerated Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] to Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2022-02-23 16:59:20,807 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 2 HavocedVariables, 6 AssignedVariables, -1 ReadonlyVariables, Eigenvalues: {}, 0 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2022-02-23 16:59:20,807 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:288) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.createTransformer(IcfgTransformationObserver.java:177) 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) [2022-02-23 16:59:20,811 INFO L158 Benchmark]: Toolchain (without parser) took 982.32ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 125.0MB in the beginning and 187.7MB in the end (delta: -62.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-23 16:59:20,811 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-23 16:59:20,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.21ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 124.8MB in the beginning and 215.0MB in the end (delta: -90.2MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. [2022-02-23 16:59:20,812 INFO L158 Benchmark]: Boogie Preprocessor took 38.37ms. Allocated memory is still 245.4MB. Free memory was 215.0MB in the beginning and 212.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-23 16:59:20,813 INFO L158 Benchmark]: RCFGBuilder took 565.90ms. Allocated memory is still 245.4MB. Free memory was 212.3MB in the beginning and 191.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-02-23 16:59:20,813 INFO L158 Benchmark]: IcfgTransformer took 97.26ms. Allocated memory is still 245.4MB. Free memory was 191.9MB in the beginning and 187.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-23 16:59:20,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 0 HavocedVariables, 0 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 180.4MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 277.21ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 124.8MB in the beginning and 215.0MB in the end (delta: -90.2MB). Peak memory consumption was 10.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.37ms. Allocated memory is still 245.4MB. Free memory was 215.0MB in the beginning and 212.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 565.90ms. Allocated memory is still 245.4MB. Free memory was 212.3MB in the beginning and 191.9MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 97.26ms. Allocated memory is still 245.4MB. Free memory was 191.9MB in the beginning and 187.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - ExceptionOrErrorResult: IllegalArgumentException: NONLINEAR_UPDATE Monomial contains modified variable. Monomial (select (select |#memory_$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. [2022-02-23 16:59:20,851 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...