/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/verifythis/tree_del_iter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-5d317bd [2022-03-18 22:42:18,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-18 22:42:18,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-18 22:42:18,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-18 22:42:18,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-18 22:42:18,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-18 22:42:18,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-18 22:42:18,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-18 22:42:18,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-18 22:42:18,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-18 22:42:18,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-18 22:42:18,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-18 22:42:18,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-18 22:42:18,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-18 22:42:18,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-18 22:42:18,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-18 22:42:18,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-18 22:42:18,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-18 22:42:18,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-18 22:42:18,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-18 22:42:18,217 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-18 22:42:18,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-18 22:42:18,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-18 22:42:18,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-18 22:42:18,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-18 22:42:18,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-18 22:42:18,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-18 22:42:18,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-18 22:42:18,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-18 22:42:18,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-18 22:42:18,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-18 22:42:18,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-18 22:42:18,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-18 22:42:18,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-18 22:42:18,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-18 22:42:18,254 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-18 22:42:18,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-18 22:42:18,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-18 22:42:18,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-18 22:42:18,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-18 22:42:18,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-18 22:42:18,257 INFO L138 SettingsManager]: * Use SBE=true [2022-03-18 22:42:18,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-18 22:42:18,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-18 22:42:18,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-18 22:42:18,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-18 22:42:18,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-18 22:42:18,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-18 22:42:18,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-18 22:42:18,259 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-18 22:42:18,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-18 22:42:18,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-18 22:42:18,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-18 22:42:18,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-18 22:42:18,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 22:42:18,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-18 22:42:18,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-18 22:42:18,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-18 22:42:18,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-18 22:42:18,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-18 22:42:18,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-18 22:42:18,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-18 22:42:18,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-18 22:42:18,261 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-18 22:42:18,261 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-18 22:42:18,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-18 22:42:18,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-18 22:42:18,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-18 22:42:18,480 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-18 22:42:18,480 INFO L275 PluginConnector]: CDTParser initialized [2022-03-18 22:42:18,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-03-18 22:42:18,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96622a16f/5605bfa04b6841e19ac0a0789cf90695/FLAG542d56222 [2022-03-18 22:42:18,890 INFO L306 CDTParser]: Found 1 translation units. [2022-03-18 22:42:18,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-03-18 22:42:18,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96622a16f/5605bfa04b6841e19ac0a0789cf90695/FLAG542d56222 [2022-03-18 22:42:19,327 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96622a16f/5605bfa04b6841e19ac0a0789cf90695 [2022-03-18 22:42:19,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-18 22:42:19,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-18 22:42:19,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-18 22:42:19,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-18 22:42:19,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-18 22:42:19,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d32fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19, skipping insertion in model container [2022-03-18 22:42:19,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,338 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-18 22:42:19,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-18 22:42:19,468 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] [2022-03-18 22:42:19,480 WARN L1550 CHandler]: Possible shadowing of function min [2022-03-18 22:42:19,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 22:42:19,506 INFO L203 MainTranslator]: Completed pre-run [2022-03-18 22:42:19,514 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] [2022-03-18 22:42:19,519 WARN L1550 CHandler]: Possible shadowing of function min [2022-03-18 22:42:19,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 22:42:19,543 INFO L208 MainTranslator]: Completed translation [2022-03-18 22:42:19,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19 WrapperNode [2022-03-18 22:42:19,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-18 22:42:19,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-18 22:42:19,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-18 22:42:19,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-18 22:42:19,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-18 22:42:19,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-18 22:42:19,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-18 22:42:19,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-18 22:42:19,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 22:42:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 22:42:19,612 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) [2022-03-18 22:42:19,621 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 [2022-03-18 22:42:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-18 22:42:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-18 22:42:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_cycle_if_not [2022-03-18 22:42:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-18 22:42:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-18 22:42:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-18 22:42:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-18 22:42:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-18 22:42:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-03-18 22:42:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-18 22:42:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_cycle_if_not [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure min [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2022-03-18 22:42:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure size [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure task [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-18 22:42:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-18 22:42:19,710 INFO L234 CfgBuilder]: Building ICFG [2022-03-18 22:42:19,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-18 22:42:19,935 INFO L275 CfgBuilder]: Performing block encoding [2022-03-18 22:42:19,939 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-18 22:42:19,940 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-18 22:42:19,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 10:42:19 BoogieIcfgContainer [2022-03-18 22:42:19,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-18 22:42:19,941 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-18 22:42:19,942 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-18 22:42:19,943 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-18 22:42:19,945 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 10:42:19" (1/1) ... [2022-03-18 22:42:19,966 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractionBuilder.constructQvasrAbstraction(QvasrAbstractionBuilder.java:86) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractor.computeAbstraction(QvasrAbstractor.java:118) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrSummarizer.summarizeLoop(QvasrSummarizer.java:129) at de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrIcfgTransformer$QvasrLoopAccelerationTransformer.transform(QvasrIcfgTransformer.java:106) 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.qvasr.QvasrIcfgTransformer.(QvasrIcfgTransformer.java:89) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.applyLoopAccelerationQvasr(IcfgTransformationObserver.java:295) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.createTransformer(IcfgTransformationObserver.java:179) 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) [2022-03-18 22:42:19,970 INFO L158 Benchmark]: Toolchain (without parser) took 639.01ms. Allocated memory is still 202.4MB. Free memory was 178.4MB in the beginning and 151.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.2MB. Max. memory is 8.0GB. [2022-03-18 22:42:19,970 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-18 22:42:19,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.23ms. Allocated memory is still 202.4MB. Free memory was 178.3MB in the beginning and 175.3MB in the end (delta: 3.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. [2022-03-18 22:42:19,971 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 202.4MB. Free memory was 175.3MB in the beginning and 172.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-18 22:42:19,971 INFO L158 Benchmark]: RCFGBuilder took 362.85ms. Allocated memory is still 202.4MB. Free memory was 172.9MB in the beginning and 153.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-03-18 22:42:19,972 INFO L158 Benchmark]: IcfgTransformer took 27.00ms. Allocated memory is still 202.4MB. Free memory was 153.5MB in the beginning and 151.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-18 22:42:19,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 165.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 214.23ms. Allocated memory is still 202.4MB. Free memory was 178.3MB in the beginning and 175.3MB in the end (delta: 3.0MB). Peak memory consumption was 8.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 202.4MB. Free memory was 175.3MB in the beginning and 172.9MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 362.85ms. Allocated memory is still 202.4MB. Free memory was 172.9MB in the beginning and 153.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * IcfgTransformer took 27.00ms. Allocated memory is still 202.4MB. Free memory was 153.5MB in the beginning and 151.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.icfgtransformer.loopacceleration.qvasr.QvasrAbstractionBuilder.constructQvasrAbstraction(QvasrAbstractionBuilder.java:86) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-03-18 22:42:20,015 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...