./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/array-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/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 1933a74e6216ebab1567a755608ab53b0dd0aaf9 ...................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:01,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:01,780 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:01,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:01,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:01,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:01,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:01,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:01,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:01,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:01,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:01,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:01,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:01,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:01,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:01,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:01,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:01,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:01,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:01,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:01,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:01,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:01,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:01,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:01,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:01,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:01,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:01,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:01,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:01,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:01,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:01,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:01,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:01,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:01,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:01,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:01,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:01,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:01,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:01,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:01,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:01,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:55:01,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:01,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:01,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:01,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:01,847 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:01,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:01,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:01,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:01,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:01,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:01,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:55:01,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:55:01,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:55:01,848 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:01,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:01,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:01,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:55:01,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:01,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:01,849 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:55:01,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:55:01,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:55:01,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:01,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:55:01,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:55:01,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:01,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:55:01,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:55:01,860 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/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/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 -> 1933a74e6216ebab1567a755608ab53b0dd0aaf9 [2019-10-22 08:55:01,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:01,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:01,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:01,908 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:01,908 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:01,909 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/../../sv-benchmarks/c/loops/array-1.c [2019-10-22 08:55:01,961 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/data/bab700fd1/ded711f81fc7471f86c0211ca9abadb3/FLAG0d8cfbe3e [2019-10-22 08:55:02,330 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:02,332 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/sv-benchmarks/c/loops/array-1.c [2019-10-22 08:55:02,337 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/data/bab700fd1/ded711f81fc7471f86c0211ca9abadb3/FLAG0d8cfbe3e [2019-10-22 08:55:02,708 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/data/bab700fd1/ded711f81fc7471f86c0211ca9abadb3 [2019-10-22 08:55:02,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:02,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:02,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:02,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:02,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:02,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:02,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51cfaec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02, skipping insertion in model container [2019-10-22 08:55:02,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:02,725 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:02,742 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:02,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:02,885 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:02,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:02,982 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:02,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02 WrapperNode [2019-10-22 08:55:02,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:02,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:02,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:02,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:02,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:02,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:03,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:03,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:03,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:03,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... [2019-10-22 08:55:03,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:03,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:03,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:03,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:03,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/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 [2019-10-22 08:55:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:55:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:03,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:55:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:03,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:03,307 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:03,307 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:55:03,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:03 BoogieIcfgContainer [2019-10-22 08:55:03,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:03,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:55:03,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:55:03,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:55:03,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:55:02" (1/3) ... [2019-10-22 08:55:03,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c72c31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:03, skipping insertion in model container [2019-10-22 08:55:03,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:02" (2/3) ... [2019-10-22 08:55:03,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c72c31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:55:03, skipping insertion in model container [2019-10-22 08:55:03,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:03" (3/3) ... [2019-10-22 08:55:03,318 INFO L109 eAbstractionObserver]: Analyzing ICFG array-1.c [2019-10-22 08:55:03,326 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:55:03,335 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:55:03,346 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:55:03,367 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:55:03,367 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:55:03,368 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:55:03,368 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:03,368 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:03,368 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:55:03,368 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:03,368 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:55:03,389 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-10-22 08:55:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 08:55:03,394 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:03,395 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:55:03,397 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:03,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:03,403 INFO L82 PathProgramCache]: Analyzing trace with hash 889937703, now seen corresponding path program 1 times [2019-10-22 08:55:03,410 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:03,411 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060521159] [2019-10-22 08:55:03,411 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:03,412 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:03,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:03,549 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060521159] [2019-10-22 08:55:03,550 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:03,551 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:55:03,551 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969580464] [2019-10-22 08:55:03,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:55:03,555 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:03,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:55:03,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:55:03,572 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 2 states. [2019-10-22 08:55:03,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:03,589 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-10-22 08:55:03,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:55:03,591 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-10-22 08:55:03,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:03,600 INFO L225 Difference]: With dead ends: 21 [2019-10-22 08:55:03,604 INFO L226 Difference]: Without dead ends: 9 [2019-10-22 08:55:03,607 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:55:03,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-10-22 08:55:03,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-10-22 08:55:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-10-22 08:55:03,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-10-22 08:55:03,643 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2019-10-22 08:55:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:03,643 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-10-22 08:55:03,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:55:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-10-22 08:55:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 08:55:03,644 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:03,644 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:55:03,644 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:03,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:03,645 INFO L82 PathProgramCache]: Analyzing trace with hash 889610002, now seen corresponding path program 1 times [2019-10-22 08:55:03,645 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:03,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24728206] [2019-10-22 08:55:03,645 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:03,645 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:03,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:03,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24728206] [2019-10-22 08:55:03,747 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:55:03,748 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:55:03,748 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224948278] [2019-10-22 08:55:03,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:55:03,749 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:03,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:55:03,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:55:03,750 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2019-10-22 08:55:03,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:03,807 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2019-10-22 08:55:03,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:55:03,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-10-22 08:55:03,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:03,808 INFO L225 Difference]: With dead ends: 16 [2019-10-22 08:55:03,809 INFO L226 Difference]: Without dead ends: 12 [2019-10-22 08:55:03,809 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 [2019-10-22 08:55:03,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-10-22 08:55:03,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 10. [2019-10-22 08:55:03,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-10-22 08:55:03,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-10-22 08:55:03,812 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2019-10-22 08:55:03,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:03,813 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-10-22 08:55:03,813 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:55:03,813 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-10-22 08:55:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 08:55:03,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:55:03,813 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:55:03,819 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:55:03,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:55:03,820 INFO L82 PathProgramCache]: Analyzing trace with hash -332619814, now seen corresponding path program 1 times [2019-10-22 08:55:03,820 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:55:03,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515729407] [2019-10-22 08:55:03,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:03,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:55:03,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:55:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:04,121 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 10 [2019-10-22 08:55:04,303 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 27 [2019-10-22 08:55:04,448 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2019-10-22 08:55:04,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:04,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515729407] [2019-10-22 08:55:04,533 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307877853] [2019-10-22 08:55:04,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:55:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:55:04,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-22 08:55:04,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:55:04,646 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-22 08:55:04,646 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 08:55:04,658 INFO L567 ElimStorePlain]: treesize reduction 5, result has 82.1 percent of original size [2019-10-22 08:55:04,671 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2019-10-22 08:55:04,671 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 08:55:04,678 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 08:55:04,679 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 08:55:04,679 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:5 [2019-10-22 08:55:04,692 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:55:04,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 08:55:04,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:55:04,811 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 08:55:04,811 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-10-22 08:55:04,811 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040908324] [2019-10-22 08:55:04,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 08:55:04,812 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:55:04,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 08:55:04,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-10-22 08:55:04,813 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 12 states. [2019-10-22 08:55:05,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:55:05,000 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-10-22 08:55:05,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:55:05,000 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 9 [2019-10-22 08:55:05,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:55:05,001 INFO L225 Difference]: With dead ends: 10 [2019-10-22 08:55:05,001 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:55:05,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2019-10-22 08:55:05,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:55:05,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:55:05,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:55:05,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:55:05,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-10-22 08:55:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:55:05,003 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:55:05,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 08:55:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:55:05,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:55:05,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:55:05,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:55:05,259 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:55:05,259 INFO L443 ceAbstractionStarter]: For program point L19-2(lines 19 24) no Hoare annotation was computed. [2019-10-22 08:55:05,259 INFO L439 ceAbstractionStarter]: At program point L19-3(lines 19 24) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~SIZE~0 1)) (.cse1 (= 0 |ULTIMATE.start_main_~#array~0.offset|))) (or (and (<= ULTIMATE.start_main_~menor~0 (select (select |#memory_int| |ULTIMATE.start_main_~#array~0.base|) |ULTIMATE.start_main_~#array~0.offset|)) .cse0 .cse1) (and .cse0 .cse1 (= ULTIMATE.start_main_~j~0 0)))) [2019-10-22 08:55:05,259 INFO L443 ceAbstractionStarter]: For program point L19-4(lines 19 24) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L446 ceAbstractionStarter]: At program point L28(lines 11 29) the Hoare annotation is: true [2019-10-22 08:55:05,260 INFO L443 ceAbstractionStarter]: For program point L22(lines 22 23) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-10-22 08:55:05,260 INFO L446 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-10-22 08:55:05,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 08:55:05,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 08:55:05,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:55:05 BoogieIcfgContainer [2019-10-22 08:55:05,281 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:55:05,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:05,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:05,282 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:05,282 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:03" (3/4) ... [2019-10-22 08:55:05,288 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:55:05,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-10-22 08:55:05,303 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:55:05,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:55:05,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3d7be8bb-fec0-49ef-b23e-a792e08bd023/bin/uautomizer/witness.graphml [2019-10-22 08:55:05,343 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:05,344 INFO L168 Benchmark]: Toolchain (without parser) took 2632.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 949.9 MB in the beginning and 956.7 MB in the end (delta: -6.9 MB). Peak memory consumption was 121.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:05,344 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:05,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:05,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.80 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. [2019-10-22 08:55:05,345 INFO L168 Benchmark]: Boogie Preprocessor took 22.39 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:05,346 INFO L168 Benchmark]: RCFGBuilder took 269.10 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:05,346 INFO L168 Benchmark]: TraceAbstraction took 1969.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 139.7 MB). Peak memory consumption was 139.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:05,347 INFO L168 Benchmark]: Witness Printer took 61.10 ms. Allocated memory is still 1.2 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:05,349 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.80 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 22.39 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 269.10 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1969.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 139.7 MB). Peak memory consumption was 139.7 MB. Max. memory is 11.5 GB. * Witness Printer took 61.10 ms. Allocated memory is still 1.2 GB. Free memory is still 956.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: 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: 19]: Loop Invariant [2019-10-22 08:55:05,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 08:55:05,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((menor <= unknown-#memory_int-unknown[array][array] && SIZE == 1) && 0 == array) || ((SIZE == 1 && 0 == array) && j == 0) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Result: SAFE, OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 11 SDslu, 15 SDs, 0 SdLazy, 44 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 27 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 26 ConstructedInterpolants, 3 QuantifiedInterpolants, 1745 SizeOfPredicates, 9 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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...