./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/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_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/n.c40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/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 0.1.24-678e011 [2019-11-19 21:48:29,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:48:29,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:48:29,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:48:29,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:48:29,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:48:29,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:48:29,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:48:29,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:48:29,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:48:29,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:48:29,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:48:29,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:48:29,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:48:29,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:48:29,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:48:29,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:48:29,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:48:29,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:48:29,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:48:29,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:48:29,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:48:29,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:48:29,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:48:29,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:48:29,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:48:29,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:48:29,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:48:29,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:48:29,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:48:29,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:48:29,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:48:29,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:48:29,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:48:29,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:48:29,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:48:29,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:48:29,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:48:29,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:48:29,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:48:29,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:48:29,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:48:29,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:48:29,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:48:29,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:48:29,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:48:29,433 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:48:29,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:48:29,433 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:48:29,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:48:29,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:48:29,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:48:29,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:48:29,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:48:29,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:48:29,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:48:29,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:48:29,435 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:48:29,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:48:29,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:48:29,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:48:29,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:48:29,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:48:29,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:48:29,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:48:29,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:48:29,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:48:29,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:48:29,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:48:29,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:48:29,439 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_12c29295-cf57-4c89-a664-6c5323b52a73/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 [2019-11-19 21:48:29,610 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:48:29,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:48:29,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:48:29,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:48:29,625 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:48:29,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/../../sv-benchmarks/c/loops/n.c40.c [2019-11-19 21:48:29,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/440f55a45/3d3c3ca158f8473d8d8d88c3b2d104b9/FLAG4f92b0fef [2019-11-19 21:48:30,085 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:48:30,086 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/sv-benchmarks/c/loops/n.c40.c [2019-11-19 21:48:30,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/440f55a45/3d3c3ca158f8473d8d8d88c3b2d104b9/FLAG4f92b0fef [2019-11-19 21:48:30,107 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/440f55a45/3d3c3ca158f8473d8d8d88c3b2d104b9 [2019-11-19 21:48:30,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:48:30,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:48:30,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:48:30,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:48:30,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:48:30,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203f0c88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30, skipping insertion in model container [2019-11-19 21:48:30,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,131 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:48:30,151 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:48:30,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:48:30,363 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:48:30,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:48:30,472 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:48:30,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30 WrapperNode [2019-11-19 21:48:30,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:48:30,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:48:30,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:48:30,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:48:30,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:48:30,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:48:30,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:48:30,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:48:30,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... [2019-11-19 21:48:30,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:48:30,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:48:30,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:48:30,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:48:30,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/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 [2019-11-19 21:48:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 21:48:30,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:48:30,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:48:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 21:48:30,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:48:30,825 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:48:30,825 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 21:48:30,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:48:30 BoogieIcfgContainer [2019-11-19 21:48:30,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:48:30,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:48:30,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:48:30,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:48:30,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:48:30" (1/3) ... [2019-11-19 21:48:30,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550e3d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:48:30, skipping insertion in model container [2019-11-19 21:48:30,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:30" (2/3) ... [2019-11-19 21:48:30,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@550e3d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:48:30, skipping insertion in model container [2019-11-19 21:48:30,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:48:30" (3/3) ... [2019-11-19 21:48:30,836 INFO L109 eAbstractionObserver]: Analyzing ICFG n.c40.c [2019-11-19 21:48:30,846 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:48:30,852 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:48:30,864 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:48:30,902 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:48:30,902 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:48:30,903 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:48:30,903 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:48:30,903 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:48:30,903 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:48:30,903 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:48:30,903 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:48:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-19 21:48:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 21:48:30,926 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:48:30,926 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:48:30,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:48:30,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:48:30,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2019-11-19 21:48:30,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:48:30,944 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357896219] [2019-11-19 21:48:30,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:48:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:31,055 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357896219] [2019-11-19 21:48:31,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:48:31,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:48:31,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770421473] [2019-11-19 21:48:31,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:48:31,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:48:31,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:48:31,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:48:31,072 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-19 21:48:31,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:48:31,084 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2019-11-19 21:48:31,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:48:31,085 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-19 21:48:31,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:48:31,091 INFO L225 Difference]: With dead ends: 22 [2019-11-19 21:48:31,092 INFO L226 Difference]: Without dead ends: 9 [2019-11-19 21:48:31,094 INFO L630 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 [2019-11-19 21:48:31,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-19 21:48:31,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-19 21:48:31,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-19 21:48:31,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-19 21:48:31,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-11-19 21:48:31,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:48:31,120 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-19 21:48:31,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:48:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-19 21:48:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 21:48:31,121 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:48:31,121 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:48:31,121 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:48:31,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:48:31,122 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2019-11-19 21:48:31,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:48:31,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464961636] [2019-11-19 21:48:31,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:48:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:31,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464961636] [2019-11-19 21:48:31,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:48:31,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:48:31,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415044073] [2019-11-19 21:48:31,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:48:31,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:48:31,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:48:31,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:48:31,185 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 3 states. [2019-11-19 21:48:31,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:48:31,217 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-11-19 21:48:31,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:48:31,218 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-19 21:48:31,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:48:31,218 INFO L225 Difference]: With dead ends: 16 [2019-11-19 21:48:31,218 INFO L226 Difference]: Without dead ends: 11 [2019-11-19 21:48:31,219 INFO L630 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 [2019-11-19 21:48:31,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-19 21:48:31,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-19 21:48:31,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 21:48:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-19 21:48:31,222 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-11-19 21:48:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:48:31,223 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-19 21:48:31,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:48:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-19 21:48:31,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 21:48:31,223 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:48:31,224 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:48:31,224 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:48:31,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:48:31,224 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2019-11-19 21:48:31,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:48:31,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491982087] [2019-11-19 21:48:31,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:48:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:31,280 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:1307) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.SmtUtils.termWithLocalSimplification(SmtUtils.java:1188) 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.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:573) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:300) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:107) 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.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-19 21:48:31,287 INFO L168 Benchmark]: Toolchain (without parser) took 1173.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). Peak memory consumption was 1.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:31,287 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:48:31,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:31,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:48:31,289 INFO L168 Benchmark]: Boogie Preprocessor took 45.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:31,290 INFO L168 Benchmark]: RCFGBuilder took 268.67 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:31,291 INFO L168 Benchmark]: TraceAbstraction took 457.55 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:31,294 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 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -188.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.93 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 268.67 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 457.55 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: 26.8 MB). Peak memory consumption was 26.8 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 0.1.24-678e011 [2019-11-19 21:48:33,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:48:33,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:48:33,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:48:33,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:48:33,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:48:33,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:48:33,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:48:33,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:48:33,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:48:33,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:48:33,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:48:33,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:48:33,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:48:33,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:48:33,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:48:33,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:48:33,316 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:48:33,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:48:33,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:48:33,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:48:33,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:48:33,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:48:33,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:48:33,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:48:33,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:48:33,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:48:33,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:48:33,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:48:33,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:48:33,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:48:33,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:48:33,331 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:48:33,332 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:48:33,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:48:33,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:48:33,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:48:33,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:48:33,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:48:33,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:48:33,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:48:33,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 21:48:33,354 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:48:33,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:48:33,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:48:33,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:48:33,356 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:48:33,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:48:33,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:48:33,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:48:33,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:48:33,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:48:33,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:48:33,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:48:33,360 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 21:48:33,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 21:48:33,361 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:48:33,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:48:33,361 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:48:33,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:48:33,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:48:33,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:48:33,362 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:48:33,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:48:33,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:48:33,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:48:33,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:48:33,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:48:33,364 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 21:48:33,364 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 21:48:33,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:48:33,365 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 21:48:33,366 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_12c29295-cf57-4c89-a664-6c5323b52a73/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 [2019-11-19 21:48:33,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:48:33,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:48:33,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:48:33,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:48:33,667 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:48:33,668 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/../../sv-benchmarks/c/loops/n.c40.c [2019-11-19 21:48:33,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/59d7546d8/304f4d494474417fb27ec5cbc3e973c3/FLAG49e3ba087 [2019-11-19 21:48:34,126 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:48:34,127 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/sv-benchmarks/c/loops/n.c40.c [2019-11-19 21:48:34,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/59d7546d8/304f4d494474417fb27ec5cbc3e973c3/FLAG49e3ba087 [2019-11-19 21:48:34,549 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/bin/uautomizer/data/59d7546d8/304f4d494474417fb27ec5cbc3e973c3 [2019-11-19 21:48:34,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:48:34,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:48:34,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:48:34,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:48:34,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:48:34,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eda0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34, skipping insertion in model container [2019-11-19 21:48:34,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:48:34,586 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:48:34,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:48:34,752 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:48:34,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:48:34,792 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:48:34,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34 WrapperNode [2019-11-19 21:48:34,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:48:34,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:48:34,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:48:34,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:48:34,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:48:34,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:48:34,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:48:34,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:48:34,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... [2019-11-19 21:48:34,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:48:34,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:48:34,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:48:34,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:48:34,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/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 [2019-11-19 21:48:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-11-19 21:48:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:48:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:48:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-11-19 21:48:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:48:35,221 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:48:35,221 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 21:48:35,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:48:35 BoogieIcfgContainer [2019-11-19 21:48:35,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:48:35,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:48:35,224 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:48:35,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:48:35,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:48:34" (1/3) ... [2019-11-19 21:48:35,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1cd1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:48:35, skipping insertion in model container [2019-11-19 21:48:35,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:48:34" (2/3) ... [2019-11-19 21:48:35,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1cd1bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:48:35, skipping insertion in model container [2019-11-19 21:48:35,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:48:35" (3/3) ... [2019-11-19 21:48:35,230 INFO L109 eAbstractionObserver]: Analyzing ICFG n.c40.c [2019-11-19 21:48:35,239 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:48:35,245 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:48:35,258 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:48:35,278 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:48:35,279 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:48:35,279 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:48:35,279 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:48:35,279 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:48:35,279 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:48:35,279 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:48:35,279 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:48:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-11-19 21:48:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 21:48:35,295 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:48:35,295 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:48:35,296 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:48:35,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:48:35,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1813493552, now seen corresponding path program 1 times [2019-11-19 21:48:35,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:48:35,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [520879708] [2019-11-19 21:48:35,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/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 [2019-11-19 21:48:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:35,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 21:48:35,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:48:35,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:35,407 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:48:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:35,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [520879708] [2019-11-19 21:48:35,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:48:35,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 21:48:35,412 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059479407] [2019-11-19 21:48:35,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:48:35,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:48:35,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:48:35,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:48:35,427 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-11-19 21:48:35,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:48:35,438 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2019-11-19 21:48:35,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:48:35,440 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-19 21:48:35,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:48:35,448 INFO L225 Difference]: With dead ends: 22 [2019-11-19 21:48:35,448 INFO L226 Difference]: Without dead ends: 9 [2019-11-19 21:48:35,451 INFO L630 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 [2019-11-19 21:48:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-19 21:48:35,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-19 21:48:35,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-19 21:48:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-19 21:48:35,480 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-11-19 21:48:35,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:48:35,480 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-19 21:48:35,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:48:35,480 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-19 21:48:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 21:48:35,481 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:48:35,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:48:35,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 21:48:35,683 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:48:35,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:48:35,683 INFO L82 PathProgramCache]: Analyzing trace with hash 177687787, now seen corresponding path program 1 times [2019-11-19 21:48:35,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:48:35,685 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1672901770] [2019-11-19 21:48:35,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/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 [2019-11-19 21:48:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:35,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 21:48:35,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:48:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:35,783 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:48:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:35,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1672901770] [2019-11-19 21:48:35,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:48:35,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-19 21:48:35,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913755085] [2019-11-19 21:48:35,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:48:35,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:48:35,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:48:35,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:48:35,813 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-11-19 21:48:35,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:48:35,863 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2019-11-19 21:48:35,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:48:35,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-19 21:48:35,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:48:35,864 INFO L225 Difference]: With dead ends: 16 [2019-11-19 21:48:35,864 INFO L226 Difference]: Without dead ends: 11 [2019-11-19 21:48:35,865 INFO L630 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 [2019-11-19 21:48:35,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-11-19 21:48:35,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-19 21:48:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-19 21:48:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-11-19 21:48:35,869 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2019-11-19 21:48:35,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:48:35,869 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2019-11-19 21:48:35,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:48:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-11-19 21:48:35,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 21:48:35,870 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:48:35,870 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:48:36,072 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 21:48:36,072 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:48:36,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:48:36,073 INFO L82 PathProgramCache]: Analyzing trace with hash 468121936, now seen corresponding path program 1 times [2019-11-19 21:48:36,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 21:48:36,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [197631607] [2019-11-19 21:48:36,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12c29295-cf57-4c89-a664-6c5323b52a73/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 [2019-11-19 21:48:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:48:36,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-19 21:48:36,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:48:36,278 INFO L377 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 [2019-11-19 21:48:36,282 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2019-11-19 21:48:36,326 INFO L567 ElimStorePlain]: treesize reduction 14, result has 53.3 percent of original size [2019-11-19 21:48:36,345 INFO L377 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 [2019-11-19 21:48:36,346 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 21:48:36,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:48:36,360 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. [2019-11-19 21:48:36,360 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:17 [2019-11-19 21:48:38,394 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 14 [2019-11-19 21:48:38,420 INFO L377 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 [2019-11-19 21:48:38,422 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 21:48:38,433 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:48:38,434 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. [2019-11-19 21:48:38,434 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:27, output treesize:9 [2019-11-19 21:48:38,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:38,462 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 21:48:38,491 INFO L377 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 [2019-11-19 21:48:38,494 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-19 21:48:38,496 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 21:48:38,496 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-19 21:48:38,497 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:1 [2019-11-19 21:48:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:48:38,535 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [197631607] [2019-11-19 21:48:38,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:48:38,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 21:48:38,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085356646] [2019-11-19 21:48:38,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:48:38,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 21:48:38,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:48:38,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-19 21:48:38,537 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 4 states. [2019-11-19 21:48:40,593 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 22 [2019-11-19 21:48:40,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:48:40,594 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2019-11-19 21:48:40,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:48:40,594 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-19 21:48:40,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:48:40,595 INFO L225 Difference]: With dead ends: 11 [2019-11-19 21:48:40,595 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:48:40,596 INFO L630 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 [2019-11-19 21:48:40,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:48:40,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:48:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:48:40,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:48:40,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-19 21:48:40,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:48:40,597 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:48:40,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:48:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:48:40,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:48:40,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-11-19 21:48:40,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:48:42,855 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 16 [2019-11-19 21:48:42,857 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:48:42,858 INFO L444 ceAbstractionStarter]: For program point L19(lines 19 20) no Hoare annotation was computed. [2019-11-19 21:48:42,858 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:48:42,858 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:48:42,858 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:48:42,858 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2019-11-19 21:48:42,859 INFO L447 ceAbstractionStarter]: At program point L22(lines 8 23) the Hoare annotation is: true [2019-11-19 21:48:42,859 INFO L444 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-19 21:48:42,859 INFO L444 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2019-11-19 21:48:42,859 INFO L444 ceAbstractionStarter]: For program point L18-1(lines 18 20) no Hoare annotation was computed. [2019-11-19 21:48:42,859 INFO L444 ceAbstractionStarter]: For program point L12-1(lines 12 15) no Hoare annotation was computed. [2019-11-19 21:48:42,859 INFO L440 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|))) [2019-11-19 21:48:42,860 INFO L444 ceAbstractionStarter]: For program point L12-4(lines 12 15) no Hoare annotation was computed. [2019-11-19 21:48:42,865 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:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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) [2019-11-19 21:48:42,869 INFO L168 Benchmark]: Toolchain (without parser) took 8316.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -93.4 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:42,870 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:48:42,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:42,880 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:42,880 INFO L168 Benchmark]: Boogie Preprocessor took 24.00 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:42,881 INFO L168 Benchmark]: RCFGBuilder took 318.77 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:42,882 INFO L168 Benchmark]: TraceAbstraction took 7644.03 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: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:48:42,889 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 234.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 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 86.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.0 MB in the beginning and 1.2 GB in the end (delta: -205.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.00 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 318.77 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7644.03 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: 74.8 MB). Peak memory consumption was 74.8 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...