./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e954357898f010ea28e7deb5d5a1ae907cf090e4 .............................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e954357898f010ea28e7deb5d5a1ae907cf090e4 .............................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-cad4683 [2019-11-15 21:31:51,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:31:51,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:31:51,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:31:51,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:31:51,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:31:51,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:31:51,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:31:51,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:31:51,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:31:51,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:31:51,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:31:51,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:31:51,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:31:51,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:31:51,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:31:51,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:31:51,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:31:51,938 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:31:51,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:31:51,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:31:51,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:31:51,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:31:51,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:31:51,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:31:51,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:31:51,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:31:51,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:31:51,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:31:51,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:31:51,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:31:51,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:31:51,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:31:51,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:31:51,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:31:51,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:31:51,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:31:51,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:31:51,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:31:51,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:31:51,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:31:51,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:31:51,985 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:31:51,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:31:51,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:31:51,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:31:51,987 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:31:51,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:31:51,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:31:51,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:31:51,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:31:51,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:31:51,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:31:51,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:31:51,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:31:51,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:31:51,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:31:51,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:31:51,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:31:51,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:31:51,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:31:51,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:31:51,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:31:51,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:31:51,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:31:51,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:31:51,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:31:51,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:31:51,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:31:51,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:31:51,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> e954357898f010ea28e7deb5d5a1ae907cf090e4 [2019-11-15 21:31:52,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:31:52,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:31:52,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:31:52,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:31:52,047 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:31:52,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/../../sv-benchmarks/c/loops/n.c40.c [2019-11-15 21:31:52,108 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/91ed1c248/f7343e0eeeef452ba6ce4a4f1b0696c7/FLAG2d4ef90a0 [2019-11-15 21:31:52,530 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:31:52,531 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/sv-benchmarks/c/loops/n.c40.c [2019-11-15 21:31:52,537 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/91ed1c248/f7343e0eeeef452ba6ce4a4f1b0696c7/FLAG2d4ef90a0 [2019-11-15 21:31:52,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/91ed1c248/f7343e0eeeef452ba6ce4a4f1b0696c7 [2019-11-15 21:31:52,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:31:52,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:31:52,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:31:52,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:31:52,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:31:52,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714c62d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52, skipping insertion in model container [2019-11-15 21:31:52,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,570 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:31:52,584 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:31:52,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:31:52,859 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:31:52,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:31:52,900 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:31:52,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52 WrapperNode [2019-11-15 21:31:52,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:31:52,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:31:52,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:31:52,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:31:52,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:31:52,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:31:52,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:31:52,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:31:52,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... [2019-11-15 21:31:52,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:31:52,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:31:52,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:31:52,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:31:52,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/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 [2019-11-15 21:31:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 21:31:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:31:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:31:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 21:31:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:31:53,200 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:31:53,200 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 21:31:53,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:31:53 BoogieIcfgContainer [2019-11-15 21:31:53,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:31:53,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:31:53,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:31:53,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:31:53,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:31:52" (1/3) ... [2019-11-15 21:31:53,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172286ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:31:53, skipping insertion in model container [2019-11-15 21:31:53,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:52" (2/3) ... [2019-11-15 21:31:53,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172286ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:31:53, skipping insertion in model container [2019-11-15 21:31:53,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:31:53" (3/3) ... [2019-11-15 21:31:53,208 INFO L109 eAbstractionObserver]: Analyzing ICFG n.c40.c [2019-11-15 21:31:53,232 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:31:53,239 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:31:53,261 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:31:53,284 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:31:53,284 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:31:53,284 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:31:53,284 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:31:53,285 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:31:53,285 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:31:53,285 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:31:53,285 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:31:53,295 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-15 21:31:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 21:31:53,300 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:31:53,300 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:31:53,301 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:31:53,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:31:53,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2019-11-15 21:31:53,311 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:31:53,311 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540517450] [2019-11-15 21:31:53,312 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:31:53,312 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:31:53,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:31:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:31:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:31:53,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540517450] [2019-11-15 21:31:53,407 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:31:53,407 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 21:31:53,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256607946] [2019-11-15 21:31:53,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 21:31:53,411 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:31:53,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 21:31:53,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:31:53,421 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-15 21:31:53,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:31:53,433 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2019-11-15 21:31:53,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 21:31:53,434 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-15 21:31:53,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:31:53,441 INFO L225 Difference]: With dead ends: 22 [2019-11-15 21:31:53,442 INFO L226 Difference]: Without dead ends: 9 [2019-11-15 21:31:53,444 INFO L600 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 [2019-11-15 21:31:53,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-15 21:31:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-15 21:31:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-15 21:31:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-15 21:31:53,473 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-11-15 21:31:53,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:31:53,474 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-15 21:31:53,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 21:31:53,474 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-15 21:31:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-15 21:31:53,474 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:31:53,475 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:31:53,475 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:31:53,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:31:53,475 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2019-11-15 21:31:53,476 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:31:53,476 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531034911] [2019-11-15 21:31:53,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:31:53,476 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:31:53,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:31:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:31:53,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:31:53,550 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531034911] [2019-11-15 21:31:53,551 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:31:53,551 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:31:53,551 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652757169] [2019-11-15 21:31:53,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:31:53,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:31:53,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:31:53,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:31:53,553 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2019-11-15 21:31:53,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:31:53,580 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-11-15 21:31:53,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:31:53,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-15 21:31:53,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:31:53,581 INFO L225 Difference]: With dead ends: 16 [2019-11-15 21:31:53,581 INFO L226 Difference]: Without dead ends: 11 [2019-11-15 21:31:53,582 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:31:53,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-15 21:31:53,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-15 21:31:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-15 21:31:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-15 21:31:53,585 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-11-15 21:31:53,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:31:53,585 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-15 21:31:53,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:31:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-15 21:31:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 21:31:53,586 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:31:53,586 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:31:53,586 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:31:53,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:31:53,587 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2019-11-15 21:31:53,587 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:31:53,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913136105] [2019-11-15 21:31:53,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:31:53,587 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:31:53,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:31:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:31:53,643 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (const Int) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.term(WrapperScript.java:250) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1186) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.TermTransferrer.convertApplicationTerm(TermTransferrer.java:182) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:339) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:574) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:305) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:31:53,650 INFO L168 Benchmark]: Toolchain (without parser) took 1095.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:31:53,651 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:31:53,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -216.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:31:53,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:31:53,652 INFO L168 Benchmark]: Boogie Preprocessor took 18.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:31:53,653 INFO L168 Benchmark]: RCFGBuilder took 255.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:31:53,654 INFO L168 Benchmark]: TraceAbstraction took 443.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2019-11-15 21:31:53,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -216.0 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 255.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 443.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (const Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (const Int): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:478) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-11-15 21:31:55,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:31:55,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:31:55,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-11-15 21:31:55,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:31:55,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:31:55,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:31:55,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:31:55,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:31:55,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:31:55,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:31:55,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:31:55,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:31:55,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:31:55,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:31:55,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 21:31:55,927 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:31:55,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:31:55,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:31:55,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:31:55,929 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:31:55,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:31:55,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:31:55,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:31:55,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:31:55,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:31:55,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:31:55,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:31:55,931 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 21:31:55,931 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 21:31:55,931 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:31:55,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:31:55,932 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:31:55,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:31:55,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:31:55,932 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:31:55,933 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:31:55,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:31:55,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:31:55,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:31:55,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:31:55,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:31:55,934 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 21:31:55,934 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 21:31:55,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:31:55,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 21:31:55,935 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> e954357898f010ea28e7deb5d5a1ae907cf090e4 [2019-11-15 21:31:55,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:31:55,972 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:31:55,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:31:55,976 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:31:55,977 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:31:55,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/../../sv-benchmarks/c/loops/n.c40.c [2019-11-15 21:31:56,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/3d1611dad/a4d869cf705b42cd84e3c5dbae6346fe/FLAG1e0ff6646 [2019-11-15 21:31:56,435 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:31:56,436 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/sv-benchmarks/c/loops/n.c40.c [2019-11-15 21:31:56,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/3d1611dad/a4d869cf705b42cd84e3c5dbae6346fe/FLAG1e0ff6646 [2019-11-15 21:31:56,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/data/3d1611dad/a4d869cf705b42cd84e3c5dbae6346fe [2019-11-15 21:31:56,455 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:31:56,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:31:56,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:31:56,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:31:56,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:31:56,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333ba3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56, skipping insertion in model container [2019-11-15 21:31:56,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,471 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:31:56,485 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:31:56,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:31:56,694 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:31:56,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:31:56,740 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:31:56,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56 WrapperNode [2019-11-15 21:31:56,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:31:56,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:31:56,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:31:56,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:31:56,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:31:56,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:31:56,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:31:56,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:31:56,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... [2019-11-15 21:31:56,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:31:56,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:31:56,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:31:56,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:31:56,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/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 [2019-11-15 21:31:56,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-15 21:31:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:31:56,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:31:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-15 21:31:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:31:57,183 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:31:57,183 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 21:31:57,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:31:57 BoogieIcfgContainer [2019-11-15 21:31:57,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:31:57,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:31:57,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:31:57,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:31:57,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:31:56" (1/3) ... [2019-11-15 21:31:57,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8f057d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:31:57, skipping insertion in model container [2019-11-15 21:31:57,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:31:56" (2/3) ... [2019-11-15 21:31:57,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8f057d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:31:57, skipping insertion in model container [2019-11-15 21:31:57,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:31:57" (3/3) ... [2019-11-15 21:31:57,191 INFO L109 eAbstractionObserver]: Analyzing ICFG n.c40.c [2019-11-15 21:31:57,220 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:31:57,228 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:31:57,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:31:57,264 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:31:57,264 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:31:57,265 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:31:57,265 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:31:57,265 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:31:57,265 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:31:57,265 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:31:57,266 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:31:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-15 21:31:57,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 21:31:57,282 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:31:57,283 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:31:57,284 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:31:57,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:31:57,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2019-11-15 21:31:57,295 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:31:57,295 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [548229102] [2019-11-15 21:31:57,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:31:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:31:57,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 21:31:57,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:31:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:31:57,381 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:31:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:31:57,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [548229102] [2019-11-15 21:31:57,385 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:31:57,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 21:31:57,385 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330442860] [2019-11-15 21:31:57,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 21:31:57,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:31:57,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 21:31:57,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 21:31:57,404 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-15 21:31:57,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:31:57,417 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2019-11-15 21:31:57,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 21:31:57,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-15 21:31:57,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:31:57,427 INFO L225 Difference]: With dead ends: 22 [2019-11-15 21:31:57,427 INFO L226 Difference]: Without dead ends: 9 [2019-11-15 21:31:57,430 INFO L600 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 [2019-11-15 21:31:57,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-15 21:31:57,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-15 21:31:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-15 21:31:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-15 21:31:57,459 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-11-15 21:31:57,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:31:57,460 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-15 21:31:57,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 21:31:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-15 21:31:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-15 21:31:57,461 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:31:57,461 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:31:57,663 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:31:57,663 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:31:57,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:31:57,663 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2019-11-15 21:31:57,664 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:31:57,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1962379819] [2019-11-15 21:31:57,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:31:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:31:57,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 21:31:57,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:31:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:31:57,749 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:31:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:31:57,785 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1962379819] [2019-11-15 21:31:57,785 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:31:57,785 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-15 21:31:57,785 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935349647] [2019-11-15 21:31:57,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:31:57,787 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:31:57,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:31:57,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 21:31:57,788 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-11-15 21:31:57,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:31:57,849 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-11-15 21:31:57,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:31:57,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-15 21:31:57,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:31:57,851 INFO L225 Difference]: With dead ends: 16 [2019-11-15 21:31:57,851 INFO L226 Difference]: Without dead ends: 11 [2019-11-15 21:31:57,852 INFO L600 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 [2019-11-15 21:31:57,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-15 21:31:57,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-15 21:31:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-15 21:31:57,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-15 21:31:57,855 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-11-15 21:31:57,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:31:57,855 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-15 21:31:57,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:31:57,855 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-15 21:31:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 21:31:57,856 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:31:57,856 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:31:58,056 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:31:58,057 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:31:58,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:31:58,057 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2019-11-15 21:31:58,058 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 21:31:58,058 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1342385287] [2019-11-15 21:31:58,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_591505b8-73df-4586-8a31-59405edbb683/bin/uautomizer/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:31:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:31:58,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-15 21:31:58,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:31:58,203 INFO L375 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 23 treesize of output 21 [2019-11-15 21:31:58,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-15 21:31:58,248 INFO L567 ElimStorePlain]: treesize reduction 14, result has 53.3 percent of original size [2019-11-15 21:31:58,256 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2019-11-15 21:31:58,256 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-15 21:31:58,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:31:58,267 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-15 21:31:58,268 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2019-11-15 21:32:00,314 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 14 [2019-11-15 21:32:00,337 INFO L375 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 [2019-11-15 21:32:00,338 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:32:00,351 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:32:00,352 INFO L496 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. [2019-11-15 21:32:00,353 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2019-11-15 21:32:00,374 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:32:00,374 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 21:32:00,401 INFO L375 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 [2019-11-15 21:32:00,403 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-15 21:32:00,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-15 21:32:00,405 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-15 21:32:00,405 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:1 [2019-11-15 21:32:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:32:00,447 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1342385287] [2019-11-15 21:32:00,447 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 21:32:00,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-15 21:32:00,447 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637399030] [2019-11-15 21:32:00,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 21:32:00,448 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 21:32:00,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 21:32:00,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 21:32:00,449 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2019-11-15 21:32:02,489 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 22 [2019-11-15 21:32:02,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:32:02,490 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-11-15 21:32:02,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 21:32:02,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-15 21:32:02,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:32:02,491 INFO L225 Difference]: With dead ends: 11 [2019-11-15 21:32:02,491 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:32:02,492 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-15 21:32:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:32:02,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:32:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:32:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:32:02,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-15 21:32:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:32:02,492 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:32:02,493 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 21:32:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:32:02,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:32:02,694 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-15 21:32:02,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:32:04,766 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-15 21:32:04,767 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:32:04,768 INFO L443 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2019-11-15 21:32:04,768 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 21:32:04,768 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:32:04,768 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:32:04,768 INFO L446 ceAbstractionStarter]: At program point L22(lines 8 23) the Hoare annotation is: true [2019-11-15 21:32:04,768 INFO L443 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-15 21:32:04,768 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2019-11-15 21:32:04,768 INFO L443 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2019-11-15 21:32:04,769 INFO L443 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2019-11-15 21:32:04,769 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2019-11-15 21:32:04,769 INFO L439 ceAbstractionStarter]: At program point L12-3(lines 12 15) the Hoare annotation is: (and (exists ((|~#y~0.base| (_ BitVec 32))) (and (not (= |~#y~0.base| |~#x~0.base|)) (= (select |#memory_int| |~#y~0.base|) ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32))))) (= ~i~0 (_ bv0 32)) (= ((as const (Array (_ BitVec 32) (_ BitVec 32))) (_ bv0 32)) (select |#memory_int| |~#x~0.base|))) [2019-11-15 21:32:04,769 INFO L443 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2019-11-15 21:32:04,774 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.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) 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:555) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:255) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:212) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) 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:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-15 21:32:04,779 INFO L168 Benchmark]: Toolchain (without parser) took 8322.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 948.3 MB in the beginning and 1.1 GB in the end (delta: -109.3 MB). Peak memory consumption was 55.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:32:04,779 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:32:04,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.43 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 937.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:32:04,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -216.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:32:04,781 INFO L168 Benchmark]: Boogie Preprocessor took 32.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:32:04,782 INFO L168 Benchmark]: RCFGBuilder took 286.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:32:04,783 INFO L168 Benchmark]: TraceAbstraction took 7592.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:32:04,786 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.43 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 937.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 123.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -216.7 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 286.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7592.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 20]: 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 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - 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...