./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/n.c40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:26:10,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:26:10,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:26:10,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:26:10,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:26:10,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:26:10,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:26:10,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:26:10,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:26:10,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:26:10,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:26:10,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:26:10,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:26:10,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:26:10,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:26:10,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:26:10,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:26:10,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:26:10,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:26:10,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:26:10,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:26:10,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:26:10,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:26:10,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:26:10,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:26:10,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:26:10,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:26:10,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:26:10,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:26:10,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:26:10,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:26:10,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:26:10,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:26:10,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:26:10,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:26:10,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:26:10,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:26:10,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:26:10,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:26:10,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:26:10,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:26:10,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:26:10,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:26:10,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:26:10,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:26:10,905 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:26:10,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:26:10,905 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:26:10,906 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:26:10,906 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:26:10,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:26:10,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:26:10,907 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:26:10,908 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:26:10,908 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:26:10,908 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:26:10,909 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:26:10,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:26:10,910 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:26:10,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:26:10,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:26:10,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:26:10,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:26:10,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:26:10,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:26:10,911 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:26:10,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:26:10,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:26:10,912 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:26:10,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:26:10,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:26:10,913 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:26:10,913 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:26:10,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:26:10,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:26:10,914 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:26:10,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:26:10,915 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:26:10,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:26:10,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:26:10,915 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:26:10,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:26:10,916 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e [2020-11-28 07:26:11,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:26:11,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:26:11,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:26:11,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:26:11,257 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:26:11,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/../../sv-benchmarks/c/loops/n.c40.c [2020-11-28 07:26:11,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/7de3c03cc/c7078fc7abeb4e9c8bac3a17f3614476/FLAGdeaa3599b [2020-11-28 07:26:11,913 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:26:11,914 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/sv-benchmarks/c/loops/n.c40.c [2020-11-28 07:26:11,935 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/7de3c03cc/c7078fc7abeb4e9c8bac3a17f3614476/FLAGdeaa3599b [2020-11-28 07:26:12,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/7de3c03cc/c7078fc7abeb4e9c8bac3a17f3614476 [2020-11-28 07:26:12,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:26:12,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:26:12,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:26:12,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:26:12,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:26:12,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608de28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12, skipping insertion in model container [2020-11-28 07:26:12,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:26:12,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:26:12,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:26:12,574 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:26:12,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:26:12,614 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:26:12,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12 WrapperNode [2020-11-28 07:26:12,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:26:12,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:26:12,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:26:12,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:26:12,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:26:12,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:26:12,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:26:12,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:26:12,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... [2020-11-28 07:26:12,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:26:12,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:26:12,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:26:12,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:26:12,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:26:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:26:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:26:12,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:26:12,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:26:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:26:12,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:26:13,335 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:26:13,335 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 07:26:13,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:26:13 BoogieIcfgContainer [2020-11-28 07:26:13,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:26:13,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:26:13,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:26:13,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:26:13,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:26:12" (1/3) ... [2020-11-28 07:26:13,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6ca263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:26:13, skipping insertion in model container [2020-11-28 07:26:13,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:12" (2/3) ... [2020-11-28 07:26:13,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a6ca263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:26:13, skipping insertion in model container [2020-11-28 07:26:13,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:26:13" (3/3) ... [2020-11-28 07:26:13,347 INFO L111 eAbstractionObserver]: Analyzing ICFG n.c40.c [2020-11-28 07:26:13,358 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:26:13,362 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:26:13,377 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:26:13,412 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:26:13,413 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:26:13,413 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:26:13,413 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:26:13,413 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:26:13,413 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:26:13,414 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:26:13,414 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:26:13,436 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-11-28 07:26:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:26:13,444 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:26:13,445 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:26:13,445 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:26:13,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:26:13,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1988836334, now seen corresponding path program 1 times [2020-11-28 07:26:13,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:26:13,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708052783] [2020-11-28 07:26:13,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:26:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:26:13,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:13,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708052783] [2020-11-28 07:26:13,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:26:13,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:26:13,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384544582] [2020-11-28 07:26:13,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:26:13,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:26:13,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:26:13,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:26:13,659 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 2 states. [2020-11-28 07:26:13,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:26:13,673 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2020-11-28 07:26:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:26:13,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-28 07:26:13,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:26:13,682 INFO L225 Difference]: With dead ends: 17 [2020-11-28 07:26:13,683 INFO L226 Difference]: Without dead ends: 8 [2020-11-28 07:26:13,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:26:13,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-28 07:26:13,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-28 07:26:13,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 07:26:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-28 07:26:13,715 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2020-11-28 07:26:13,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:26:13,716 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-11-28 07:26:13,716 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:26:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-28 07:26:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 07:26:13,717 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:26:13,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:26:13,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:26:13,717 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:26:13,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:26:13,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1318346733, now seen corresponding path program 1 times [2020-11-28 07:26:13,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:26:13,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654097459] [2020-11-28 07:26:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:26:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:26:13,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:13,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654097459] [2020-11-28 07:26:13,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:26:13,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:26:13,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391046774] [2020-11-28 07:26:13,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 07:26:13,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:26:13,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 07:26:13,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:26:13,795 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 3 states. [2020-11-28 07:26:13,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:26:13,820 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2020-11-28 07:26:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:26:13,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-11-28 07:26:13,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:26:13,823 INFO L225 Difference]: With dead ends: 15 [2020-11-28 07:26:13,823 INFO L226 Difference]: Without dead ends: 10 [2020-11-28 07:26:13,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 07:26:13,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-11-28 07:26:13,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-11-28 07:26:13,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-28 07:26:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-28 07:26:13,827 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2020-11-28 07:26:13,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:26:13,827 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-11-28 07:26:13,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 07:26:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-28 07:26:13,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:26:13,828 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:26:13,828 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:26:13,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:26:13,829 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:26:13,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:26:13,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1424708562, now seen corresponding path program 1 times [2020-11-28 07:26:13,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:26:13,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523527395] [2020-11-28 07:26:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:26:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:26:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:13,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523527395] [2020-11-28 07:26:13,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:26:13,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 07:26:13,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188698971] [2020-11-28 07:26:13,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:26:13,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:26:13,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:26:13,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:26:13,937 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 4 states. [2020-11-28 07:26:13,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:26:13,957 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2020-11-28 07:26:13,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:26:13,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-11-28 07:26:13,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:26:13,957 INFO L225 Difference]: With dead ends: 10 [2020-11-28 07:26:13,957 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:26:13,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 07:26:13,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:26:13,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:26:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:26:13,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:26:13,959 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-11-28 07:26:13,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:26:13,959 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:26:13,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:26:13,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:26:13,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:26:13,960 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 07:26:13,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:26:13,986 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:26:13,986 INFO L274 CegarLoopResult]: For program point L21(lines 21 22) no Hoare annotation was computed. [2020-11-28 07:26:13,986 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:26:13,986 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:26:13,986 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-28 07:26:13,987 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-11-28 07:26:13,987 INFO L277 CegarLoopResult]: At program point L20-1(lines 20 22) the Hoare annotation is: true [2020-11-28 07:26:13,987 INFO L274 CegarLoopResult]: For program point L14-1(lines 14 17) no Hoare annotation was computed. [2020-11-28 07:26:13,987 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 17) the Hoare annotation is: (and (= (select |#memory_int| |~#x~0.base|) ((as const (Array Int Int)) 0)) (= ~i~0 0)) [2020-11-28 07:26:13,987 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-11-28 07:26:13,993 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (const Int (Array Int Int)) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2020-11-28 07:26:14,004 INFO L168 Benchmark]: Toolchain (without parser) took 1708.59 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.1 MB in the beginning and 70.3 MB in the end (delta: -11.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:14,005 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:26:14,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.61 ms. Allocated memory is still 96.5 MB. Free memory was 58.9 MB in the beginning and 72.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:14,009 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.20 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:14,010 INFO L168 Benchmark]: Boogie Preprocessor took 51.40 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 70.0 MB in the end (delta: 990.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:26:14,012 INFO L168 Benchmark]: RCFGBuilder took 623.38 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 54.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:14,017 INFO L168 Benchmark]: TraceAbstraction took 661.46 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.2 MB in the beginning and 70.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:14,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 320.61 ms. Allocated memory is still 96.5 MB. Free memory was 58.9 MB in the beginning and 72.7 MB in the end (delta: -13.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.20 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.40 ms. Allocated memory is still 96.5 MB. Free memory was 71.0 MB in the beginning and 70.0 MB in the end (delta: 990.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 623.38 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 54.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 661.46 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 54.2 MB in the beginning and 70.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (const Int (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (const Int (Array Int Int)): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:238) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:26:16,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:26:16,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:26:16,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:26:16,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:26:16,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:26:16,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:26:16,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:26:16,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:26:16,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:26:16,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:26:16,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:26:16,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:26:16,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:26:16,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:26:16,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:26:16,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:26:16,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:26:16,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:26:16,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:26:16,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:26:16,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:26:16,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:26:16,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:26:16,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:26:16,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:26:16,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:26:16,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:26:16,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:26:16,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:26:16,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:26:16,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:26:16,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:26:16,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:26:16,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:26:16,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:26:16,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:26:16,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:26:16,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:26:16,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:26:16,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:26:16,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:26:16,849 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:26:16,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:26:16,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:26:16,851 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:26:16,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:26:16,851 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:26:16,852 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:26:16,852 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:26:16,852 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:26:16,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:26:16,853 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:26:16,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:26:16,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:26:16,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:26:16,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:26:16,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:26:16,855 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:26:16,855 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:26:16,855 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:26:16,856 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:26:16,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:26:16,856 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:26:16,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:26:16,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:26:16,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:26:16,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:26:16,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:26:16,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:26:16,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:26:16,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:26:16,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:26:16,859 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:26:16,859 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:26:16,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:26:16,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:26:16,860 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:26:16,860 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed3f8420ae2f88e8ad9c7f42b645f73b3c08f37e [2020-11-28 07:26:17,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:26:17,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:26:17,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:26:17,294 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:26:17,295 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:26:17,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/../../sv-benchmarks/c/loops/n.c40.c [2020-11-28 07:26:17,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/4a10598aa/f3d27cc7bfd34880a04df747f6ff8d9d/FLAG98fe5c03e [2020-11-28 07:26:17,998 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:26:17,998 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/sv-benchmarks/c/loops/n.c40.c [2020-11-28 07:26:18,005 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/4a10598aa/f3d27cc7bfd34880a04df747f6ff8d9d/FLAG98fe5c03e [2020-11-28 07:26:18,381 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/data/4a10598aa/f3d27cc7bfd34880a04df747f6ff8d9d [2020-11-28 07:26:18,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:26:18,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:26:18,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:26:18,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:26:18,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:26:18,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0c9944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18, skipping insertion in model container [2020-11-28 07:26:18,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:26:18,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:26:18,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:26:18,616 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:26:18,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:26:18,664 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:26:18,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18 WrapperNode [2020-11-28 07:26:18,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:26:18,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:26:18,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:26:18,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:26:18,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:26:18,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:26:18,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:26:18,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:26:18,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... [2020-11-28 07:26:18,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:26:18,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:26:18,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:26:18,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:26:18,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:26:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-28 07:26:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:26:18,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:26:18,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:26:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-11-28 07:26:18,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:26:19,278 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:26:19,279 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 07:26:19,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:26:19 BoogieIcfgContainer [2020-11-28 07:26:19,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:26:19,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:26:19,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:26:19,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:26:19,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:26:18" (1/3) ... [2020-11-28 07:26:19,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3326d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:26:19, skipping insertion in model container [2020-11-28 07:26:19,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:26:18" (2/3) ... [2020-11-28 07:26:19,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3326d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:26:19, skipping insertion in model container [2020-11-28 07:26:19,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:26:19" (3/3) ... [2020-11-28 07:26:19,291 INFO L111 eAbstractionObserver]: Analyzing ICFG n.c40.c [2020-11-28 07:26:19,303 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:26:19,308 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:26:19,334 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:26:19,376 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:26:19,376 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:26:19,376 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:26:19,377 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:26:19,377 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:26:19,377 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:26:19,377 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:26:19,377 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:26:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-11-28 07:26:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 07:26:19,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:26:19,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:26:19,410 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:26:19,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:26:19,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2020-11-28 07:26:19,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:26:19,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1013585807] [2020-11-28 07:26:19,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:26:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:26:19,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:26:19,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:26:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:19,573 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:26:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:19,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1013585807] [2020-11-28 07:26:19,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:26:19,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:26:19,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998180879] [2020-11-28 07:26:19,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:26:19,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:26:19,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:26:19,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:26:19,605 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 2 states. [2020-11-28 07:26:19,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:26:19,632 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2020-11-28 07:26:19,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:26:19,633 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-28 07:26:19,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:26:19,641 INFO L225 Difference]: With dead ends: 23 [2020-11-28 07:26:19,642 INFO L226 Difference]: Without dead ends: 9 [2020-11-28 07:26:19,645 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:26:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2020-11-28 07:26:19,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2020-11-28 07:26:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 07:26:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2020-11-28 07:26:19,679 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2020-11-28 07:26:19,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:26:19,680 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2020-11-28 07:26:19,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:26:19,680 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2020-11-28 07:26:19,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:26:19,681 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:26:19,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:26:19,894 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:26:19,895 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:26:19,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:26:19,896 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2020-11-28 07:26:19,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:26:19,897 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230277724] [2020-11-28 07:26:19,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 07:26:19,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:26:19,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 07:26:19,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:26:20,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:20,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:26:20,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:20,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230277724] [2020-11-28 07:26:20,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:26:20,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-11-28 07:26:20,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52111069] [2020-11-28 07:26:20,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:26:20,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:26:20,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:26:20,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:26:20,074 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2020-11-28 07:26:20,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:26:20,128 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-11-28 07:26:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 07:26:20,130 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2020-11-28 07:26:20,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:26:20,131 INFO L225 Difference]: With dead ends: 16 [2020-11-28 07:26:20,131 INFO L226 Difference]: Without dead ends: 11 [2020-11-28 07:26:20,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 07:26:20,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-28 07:26:20,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-28 07:26:20,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 07:26:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-28 07:26:20,136 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2020-11-28 07:26:20,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:26:20,136 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2020-11-28 07:26:20,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:26:20,136 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-28 07:26:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:26:20,137 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:26:20,137 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:26:20,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:26:20,338 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:26:20,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:26:20,339 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2020-11-28 07:26:20,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:26:20,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440359984] [2020-11-28 07:26:20,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 07:26:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:26:20,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 07:26:20,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:26:20,585 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:20,586 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 41 [2020-11-28 07:26:20,589 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:26:20,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:26:20,600 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-28 07:26:20,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 07:26:20,607 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 07:26:20,675 INFO L625 ElimStorePlain]: treesize reduction 14, result has 71.4 percent of original size [2020-11-28 07:26:20,689 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 07:26:20,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:36, output treesize:24 [2020-11-28 07:26:20,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 07:26:20,785 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2020-11-28 07:26:20,786 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 07:26:20,814 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:20,816 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 07:26:20,816 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:34 [2020-11-28 07:26:20,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-11-28 07:26:20,959 INFO L173 IndexEqualityManager]: detected equality via solver [2020-11-28 07:26:20,963 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:20,964 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 17 [2020-11-28 07:26:20,967 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 07:26:20,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:20,993 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 07:26:20,993 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:38, output treesize:13 [2020-11-28 07:26:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:21,027 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:26:25,612 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 38 [2020-11-28 07:26:25,651 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:25,652 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 46 [2020-11-28 07:26:25,653 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 07:26:25,661 INFO L441 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_7]} [2020-11-28 07:26:25,912 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:25,913 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 39 [2020-11-28 07:26:25,915 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-28 07:26:25,921 INFO L441 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_9]} [2020-11-28 07:26:25,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:25,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440359984] [2020-11-28 07:26:25,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1842596166] [2020-11-28 07:26:25,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6ad2badb-e823-41ae-8e91-4985da21ee79/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:26:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:26:26,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 07:26:26,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:26:26,209 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-11-28 07:26:26,210 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-11-28 07:26:26,284 INFO L625 ElimStorePlain]: treesize reduction 26, result has 51.9 percent of original size [2020-11-28 07:26:26,300 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2020-11-28 07:26:26,300 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-11-28 07:26:26,329 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:26,340 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 07:26:26,341 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:32, output treesize:17 [2020-11-28 07:26:28,419 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 14 [2020-11-28 07:26:28,447 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2020-11-28 07:26:28,449 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 07:26:28,459 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:28,463 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-11-28 07:26:28,463 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2020-11-28 07:26:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:28,517 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:26:28,572 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2020-11-28 07:26:28,574 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-28 07:26:28,577 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-28 07:26:28,578 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-28 07:26:28,578 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:1 [2020-11-28 07:26:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:26:28,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-11-28 07:26:28,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 7, 4] total 18 [2020-11-28 07:26:28,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234736988] [2020-11-28 07:26:28,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 07:26:28,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:26:28,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 07:26:28,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=245, Unknown=5, NotChecked=0, Total=306 [2020-11-28 07:26:28,709 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2020-11-28 07:26:30,812 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 22 [2020-11-28 07:26:30,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:26:30,814 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2020-11-28 07:26:30,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:26:30,814 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2020-11-28 07:26:30,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:26:30,815 INFO L225 Difference]: With dead ends: 11 [2020-11-28 07:26:30,815 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:26:30,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=63, Invalid=274, Unknown=5, NotChecked=0, Total=342 [2020-11-28 07:26:30,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:26:30,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:26:30,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:26:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:26:30,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-28 07:26:30,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:26:30,818 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:26:30,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 07:26:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:26:30,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:26:31,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-11-28 07:26:31,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:26:33,307 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 16 [2020-11-28 07:26:33,310 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:26:33,310 INFO L274 CegarLoopResult]: For program point L21(lines 21 22) no Hoare annotation was computed. [2020-11-28 07:26:33,311 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:26:33,311 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:26:33,311 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:26:33,311 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:26:33,311 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:26:33,311 INFO L277 CegarLoopResult]: At program point L24(lines 10 25) the Hoare annotation is: true [2020-11-28 07:26:33,312 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-11-28 07:26:33,312 INFO L274 CegarLoopResult]: For program point L20(lines 20 22) no Hoare annotation was computed. [2020-11-28 07:26:33,312 INFO L274 CegarLoopResult]: For program point L20-1(lines 20 22) no Hoare annotation was computed. [2020-11-28 07:26:33,312 INFO L274 CegarLoopResult]: For program point L14-1(lines 14 17) no Hoare annotation was computed. [2020-11-28 07:26:33,312 INFO L270 CegarLoopResult]: At program point L14-3(lines 14 17) the Hoare annotation is: (and (= (select |#memory_int| |~#x~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (exists ((|~#y~0.base| (_ BitVec 32))) (and (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))) (not (= |~#x~0.base| |~#y~0.base|)))) (= ~i~0 (_ bv0 32))) [2020-11-28 07:26:33,312 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-11-28 07:26:33,317 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2020-11-28 07:26:33,321 INFO L168 Benchmark]: Toolchain (without parser) took 14932.00 ms. Allocated memory was 50.3 MB in the beginning and 75.5 MB in the end (delta: 25.2 MB). Free memory was 27.3 MB in the beginning and 48.5 MB in the end (delta: -21.2 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:33,321 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:26:33,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.39 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 31.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:33,327 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 29.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:33,331 INFO L168 Benchmark]: Boogie Preprocessor took 60.45 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 29.5 MB in the beginning and 46.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:33,333 INFO L168 Benchmark]: RCFGBuilder took 506.58 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 32.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:26:33,336 INFO L168 Benchmark]: TraceAbstraction took 14036.10 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 48.5 MB in the end (delta: -16.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:26:33,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.39 ms. Allocated memory is still 50.3 MB. Free memory was 27.0 MB in the beginning and 31.0 MB in the end (delta: -4.0 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 50.3 MB. Free memory was 31.0 MB in the beginning and 29.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.45 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 29.5 MB in the beginning and 46.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 506.58 ms. Allocated memory is still 62.9 MB. Free memory was 46.0 MB in the beginning and 32.6 MB in the end (delta: 13.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14036.10 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 32.2 MB in the beginning and 48.5 MB in the end (delta: -16.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (const (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...