./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/sizeofparameters_test.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/sizeofparameters_test.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/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 8ac3f058bb34bbd4b12f3029e0c513ab0cd329ea ............................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:56:02,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:56:02,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:56:02,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:56:02,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:56:02,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:56:02,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:56:02,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:56:02,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:56:02,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:56:02,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:56:02,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:56:02,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:56:02,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:56:02,752 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:56:02,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:56:02,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:56:02,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:56:02,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:56:02,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:56:02,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:56:02,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:56:02,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:56:02,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:56:02,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:56:02,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:56:02,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:56:02,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:56:02,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:56:02,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:56:02,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:56:02,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:56:02,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:56:02,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:56:02,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:56:02,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:56:02,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:56:02,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:56:02,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:56:02,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:56:02,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:56:02,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 21:56:02,801 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:56:02,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:56:02,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:56:02,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:56:02,804 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:56:02,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:56:02,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:56:02,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:56:02,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:56:02,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:56:02,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 21:56:02,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 21:56:02,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 21:56:02,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:56:02,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:56:02,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:56:02,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 21:56:02,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:56:02,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:56:02,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 21:56:02,807 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 21:56:02,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:56:02,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:56:02,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 21:56:02,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 21:56:02,808 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:56:02,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 21:56:02,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 21:56:02,809 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_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/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 -> 8ac3f058bb34bbd4b12f3029e0c513ab0cd329ea [2019-11-15 21:56:02,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:56:02,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:56:02,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:56:02,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:56:02,876 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:56:02,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/sizeofparameters_test.i [2019-11-15 21:56:02,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/data/bac4c5b21/1131e5374fca47ef9fac228339b23ef1/FLAG254bd5094 [2019-11-15 21:56:03,428 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:56:03,429 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/sv-benchmarks/c/ldv-regression/sizeofparameters_test.i [2019-11-15 21:56:03,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/data/bac4c5b21/1131e5374fca47ef9fac228339b23ef1/FLAG254bd5094 [2019-11-15 21:56:03,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/data/bac4c5b21/1131e5374fca47ef9fac228339b23ef1 [2019-11-15 21:56:03,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:56:03,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:56:03,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:56:03,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:56:03,812 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:56:03,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:56:03" (1/1) ... [2019-11-15 21:56:03,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a63fd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:03, skipping insertion in model container [2019-11-15 21:56:03,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:56:03" (1/1) ... [2019-11-15 21:56:03,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:56:03,867 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:56:04,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:56:04,341 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:56:04,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:56:04,466 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:56:04,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04 WrapperNode [2019-11-15 21:56:04,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:56:04,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:56:04,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:56:04,468 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:56:04,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:56:04,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:56:04,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:56:04,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:56:04,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... [2019-11-15 21:56:04,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:56:04,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:56:04,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:56:04,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:56:04,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 21:56:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:56:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:56:04,817 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:56:04,817 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-15 21:56:04,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:56:04 BoogieIcfgContainer [2019-11-15 21:56:04,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:56:04,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 21:56:04,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 21:56:04,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 21:56:04,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:56:03" (1/3) ... [2019-11-15 21:56:04,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a796dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:56:04, skipping insertion in model container [2019-11-15 21:56:04,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:56:04" (2/3) ... [2019-11-15 21:56:04,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9a796dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:56:04, skipping insertion in model container [2019-11-15 21:56:04,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:56:04" (3/3) ... [2019-11-15 21:56:04,834 INFO L109 eAbstractionObserver]: Analyzing ICFG sizeofparameters_test.i [2019-11-15 21:56:04,844 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 21:56:04,851 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 21:56:04,865 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 21:56:04,894 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 21:56:04,894 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 21:56:04,894 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 21:56:04,894 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:56:04,895 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:56:04,895 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 21:56:04,895 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:56:04,896 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 21:56:04,913 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-15 21:56:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-15 21:56:04,918 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 21:56:04,919 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-15 21:56:04,920 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 21:56:04,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:56:04,925 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2019-11-15 21:56:04,934 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:56:04,934 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722009524] [2019-11-15 21:56:04,934 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:56:04,935 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:56:04,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:56:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:56:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:56:05,064 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722009524] [2019-11-15 21:56:05,065 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:56:05,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:56:05,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104315508] [2019-11-15 21:56:05,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 21:56:05,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:56:05,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:56:05,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:56:05,090 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 3 states. [2019-11-15 21:56:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:56:05,117 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-15 21:56:05,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:56:05,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-15 21:56:05,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 21:56:05,127 INFO L225 Difference]: With dead ends: 13 [2019-11-15 21:56:05,127 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 21:56:05,131 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:56:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 21:56:05,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 21:56:05,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 21:56:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:56:05,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-15 21:56:05,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 21:56:05,159 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:56:05,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 21:56:05,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:56:05,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 21:56:05,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 21:56:05,176 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 21:56:05,176 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 21:56:05,176 INFO L443 ceAbstractionStarter]: For program point L767(line 767) no Hoare annotation was computed. [2019-11-15 21:56:05,176 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 21:56:05,177 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 21:56:05,177 INFO L439 ceAbstractionStarter]: At program point L763(lines 758 764) the Hoare annotation is: (= 4 ~globalSize~0) [2019-11-15 21:56:05,177 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 749) no Hoare annotation was computed. [2019-11-15 21:56:05,178 INFO L443 ceAbstractionStarter]: For program point L749(line 749) no Hoare annotation was computed. [2019-11-15 21:56:05,178 INFO L443 ceAbstractionStarter]: For program point L747(lines 1 768) no Hoare annotation was computed. [2019-11-15 21:56:05,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:56:05 BoogieIcfgContainer [2019-11-15 21:56:05,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 21:56:05,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:56:05,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:56:05,196 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:56:05,197 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:56:04" (3/4) ... [2019-11-15 21:56:05,200 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 21:56:05,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-15 21:56:05,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 21:56:05,225 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-15 21:56:05,276 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5cb50d38-7e9e-466f-9f3f-01dbaf40cef6/bin/uautomizer/witness.graphml [2019-11-15 21:56:05,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:56:05,279 INFO L168 Benchmark]: Toolchain (without parser) took 1471.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -106.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:56:05,280 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:56:05,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:56:05,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:56:05,282 INFO L168 Benchmark]: Boogie Preprocessor took 19.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:56:05,282 INFO L168 Benchmark]: RCFGBuilder took 288.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:56:05,283 INFO L168 Benchmark]: TraceAbstraction took 376.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-15 21:56:05,284 INFO L168 Benchmark]: Witness Printer took 80.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:56:05,289 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 659.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 288.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 376.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Witness Printer took 80.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 749]: 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: 758]: Loop Invariant Derived loop invariant: 4 == globalSize - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 2 NumberOfFragments, 3 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...