/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-b030c9e [2022-03-20 09:07:29,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 09:07:29,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 09:07:29,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 09:07:29,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 09:07:29,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 09:07:29,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 09:07:29,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 09:07:29,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 09:07:29,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 09:07:29,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 09:07:29,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 09:07:29,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 09:07:29,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 09:07:29,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 09:07:29,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 09:07:29,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 09:07:29,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 09:07:29,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 09:07:29,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 09:07:29,910 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 09:07:29,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 09:07:29,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 09:07:29,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 09:07:29,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 09:07:29,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 09:07:29,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 09:07:29,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 09:07:29,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 09:07:29,918 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 09:07:29,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-20 09:07:29,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 09:07:29,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 09:07:29,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 09:07:29,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-20 09:07:29,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 09:07:29,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 09:07:29,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 09:07:29,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 09:07:29,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 09:07:29,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 09:07:29,947 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 09:07:29,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 09:07:29,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 09:07:29,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 09:07:29,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 09:07:29,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 09:07:29,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 09:07:29,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 09:07:29,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 09:07:29,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 09:07:29,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 09:07:29,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 09:07:29,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 09:07:29,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 09:07:29,950 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 09:07:29,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 09:07:30,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 09:07:30,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 09:07:30,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 09:07:30,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 09:07:30,135 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 09:07:30,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-03-20 09:07:30,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87287d157/219cc5df22e3427b8ac83aee310c0bbf/FLAGfb3cb0acd [2022-03-20 09:07:30,547 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 09:07:30,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/tree_del_iter.c [2022-03-20 09:07:30,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87287d157/219cc5df22e3427b8ac83aee310c0bbf/FLAGfb3cb0acd [2022-03-20 09:07:30,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87287d157/219cc5df22e3427b8ac83aee310c0bbf [2022-03-20 09:07:30,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 09:07:30,961 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 09:07:30,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 09:07:30,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 09:07:31,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 09:07:31,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 09:07:30" (1/1) ... [2022-03-20 09:07:31,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a9ba8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31, skipping insertion in model container [2022-03-20 09:07:31,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 09:07:30" (1/1) ... [2022-03-20 09:07:31,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 09:07:31,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 09:07:31,130 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] [2022-03-20 09:07:31,141 WARN L1550 CHandler]: Possible shadowing of function min [2022-03-20 09:07:31,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 09:07:31,155 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 09:07:31,162 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] [2022-03-20 09:07:31,167 WARN L1550 CHandler]: Possible shadowing of function min [2022-03-20 09:07:31,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 09:07:31,181 INFO L208 MainTranslator]: Completed translation [2022-03-20 09:07:31,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31 WrapperNode [2022-03-20 09:07:31,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 09:07:31,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 09:07:31,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 09:07:31,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 09:07:31,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 09:07:31,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 09:07:31,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 09:07:31,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 09:07:31,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 09:07:31,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 09:07:31,259 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) [2022-03-20 09:07:31,264 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 [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_cycle_if_not [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure min [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_del [2022-03-20 09:07:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure tree_inorder [2022-03-20 09:07:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure size [2022-03-20 09:07:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure task [2022-03-20 09:07:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 09:07:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure free [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_cycle_if_not [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 09:07:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure min [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure tree_del [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure tree_inorder [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure size [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure task [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-03-20 09:07:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 09:07:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 09:07:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 09:07:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 09:07:31,392 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 09:07:31,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 09:07:31,576 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 09:07:31,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 09:07:31,581 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-03-20 09:07:31,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 09:07:31 BoogieIcfgContainer [2022-03-20 09:07:31,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 09:07:31,583 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 09:07:31,583 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 09:07:31,584 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 09:07:31,586 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 09:07:31" (1/1) ... [2022-03-20 09:07:31,587 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 09:07:31,612 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:294) at de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation.IcfgTransformationObserver.createTransformer(IcfgTransformationObserver.java:180) 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) [2022-03-20 09:07:31,615 INFO L158 Benchmark]: Toolchain (without parser) took 653.37ms. Allocated memory is still 192.9MB. Free memory was 137.8MB in the beginning and 140.6MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 09:07:31,615 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 192.9MB. Free memory was 154.7MB in the beginning and 154.6MB in the end (delta: 65.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 09:07:31,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.40ms. Allocated memory is still 192.9MB. Free memory was 137.6MB in the beginning and 164.4MB in the end (delta: -26.8MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. [2022-03-20 09:07:31,616 INFO L158 Benchmark]: Boogie Preprocessor took 44.83ms. Allocated memory is still 192.9MB. Free memory was 164.4MB in the beginning and 162.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-20 09:07:31,616 INFO L158 Benchmark]: RCFGBuilder took 355.04ms. Allocated memory is still 192.9MB. Free memory was 162.0MB in the beginning and 142.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-03-20 09:07:31,617 INFO L158 Benchmark]: IcfgTransformer took 30.39ms. Allocated memory is still 192.9MB. Free memory was 142.7MB in the beginning and 140.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-20 09:07:31,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 192.9MB. Free memory was 154.7MB in the beginning and 154.6MB in the end (delta: 65.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 210.40ms. Allocated memory is still 192.9MB. Free memory was 137.6MB in the beginning and 164.4MB in the end (delta: -26.8MB). Peak memory consumption was 5.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.83ms. Allocated memory is still 192.9MB. Free memory was 164.4MB in the beginning and 162.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 355.04ms. Allocated memory is still 192.9MB. Free memory was 162.0MB in the beginning and 142.7MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * IcfgTransformer took 30.39ms. Allocated memory is still 192.9MB. Free memory was 142.7MB in the beginning and 140.6MB in the end (delta: 2.1MB). 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. [2022-03-20 09:07:31,643 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...