./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt8.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt8.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5c9f46ceef17a40f4c8c296250db6bb3816cee9 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:49:49,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:49:49,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:49:49,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:49:49,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:49:49,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:49:49,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:49:49,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:49:49,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:49:49,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:49:49,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:49:49,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:49:49,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:49:49,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:49:49,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:49:49,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:49:49,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:49:49,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:49:49,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:49:49,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:49:49,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:49:49,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:49:49,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:49:49,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:49:49,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:49:49,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:49:49,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:49:49,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:49:49,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:49:49,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:49:49,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:49:49,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:49:49,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:49:49,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:49:49,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:49:49,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:49:49,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:49:49,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:49:49,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:49:49,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:49:49,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:49:49,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:49:49,644 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:49:49,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:49:49,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:49:49,645 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:49:49,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:49:49,645 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:49:49,646 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:49:49,646 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:49:49,646 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:49:49,646 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:49:49,646 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:49:49,647 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:49:49,647 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:49:49,647 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:49:49,647 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:49:49,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:49:49,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:49:49,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:49:49,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:49:49,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:49:49,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:49:49,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:49:49,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:49:49,650 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:49:49,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:49:49,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:49:49,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:49:49,651 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:49:49,651 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:49:49,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:49:49,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:49:49,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:49:49,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:49:49,652 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:49:49,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:49:49,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:49:49,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:49:49,653 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5c9f46ceef17a40f4c8c296250db6bb3816cee9 [2019-11-26 02:49:49,783 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:49:49,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:49:49,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:49:49,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:49:49,797 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:49:49,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/../../sv-benchmarks/c/loops-crafted-1/sumt8.c [2019-11-26 02:49:49,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/data/8f4bb4db0/6d7b184f514d4bffb66cb5f6d278b78c/FLAG36825ba80 [2019-11-26 02:49:50,269 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:49:50,270 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/sv-benchmarks/c/loops-crafted-1/sumt8.c [2019-11-26 02:49:50,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/data/8f4bb4db0/6d7b184f514d4bffb66cb5f6d278b78c/FLAG36825ba80 [2019-11-26 02:49:50,297 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/data/8f4bb4db0/6d7b184f514d4bffb66cb5f6d278b78c [2019-11-26 02:49:50,300 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:49:50,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:49:50,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:49:50,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:49:50,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:49:50,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abcc8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50, skipping insertion in model container [2019-11-26 02:49:50,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:49:50,343 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:49:50,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:49:50,604 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:49:50,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:49:50,640 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:49:50,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50 WrapperNode [2019-11-26 02:49:50,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:49:50,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:49:50,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:49:50,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:49:50,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:49:50,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:49:50,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:49:50,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:49:50,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... [2019-11-26 02:49:50,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:49:50,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:49:50,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:49:50,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:49:50,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:49:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:49:50,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:49:55,502 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:49:55,503 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:49:55,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:55 BoogieIcfgContainer [2019-11-26 02:49:55,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:49:55,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:49:55,505 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:49:55,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:49:55,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:49:50" (1/3) ... [2019-11-26 02:49:55,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289330d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:49:55, skipping insertion in model container [2019-11-26 02:49:55,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:49:50" (2/3) ... [2019-11-26 02:49:55,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289330d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:49:55, skipping insertion in model container [2019-11-26 02:49:55,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:55" (3/3) ... [2019-11-26 02:49:55,517 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt8.c [2019-11-26 02:49:55,532 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:49:55,537 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:49:55,545 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:49:55,562 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:49:55,563 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:49:55,563 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:49:55,563 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:49:55,563 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:49:55,564 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:49:55,564 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:49:55,564 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:49:55,575 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-26 02:49:55,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-26 02:49:55,580 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:49:55,581 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-26 02:49:55,581 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:49:55,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:49:55,585 INFO L82 PathProgramCache]: Analyzing trace with hash 94495002, now seen corresponding path program 1 times [2019-11-26 02:49:55,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:49:55,591 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740615212] [2019-11-26 02:49:55,591 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:49:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:49:56,101 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740615212] [2019-11-26 02:49:56,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:49:56,102 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:49:56,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705292770] [2019-11-26 02:49:56,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:49:56,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:49:56,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:49:56,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:49:56,124 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 4 states. [2019-11-26 02:49:56,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:49:56,363 INFO L93 Difference]: Finished difference Result 18 states and 22 transitions. [2019-11-26 02:49:56,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:49:56,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-26 02:49:56,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:49:56,374 INFO L225 Difference]: With dead ends: 18 [2019-11-26 02:49:56,374 INFO L226 Difference]: Without dead ends: 8 [2019-11-26 02:49:56,378 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:49:56,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-26 02:49:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-26 02:49:56,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-26 02:49:56,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-11-26 02:49:56,409 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2019-11-26 02:49:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:49:56,409 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2019-11-26 02:49:56,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:49:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-11-26 02:49:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:49:56,410 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:49:56,411 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2019-11-26 02:49:56,411 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:49:56,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:49:56,411 INFO L82 PathProgramCache]: Analyzing trace with hash 615564246, now seen corresponding path program 1 times [2019-11-26 02:49:56,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:49:56,412 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205156507] [2019-11-26 02:49:56,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:49:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:57,475 WARN L192 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 40 [2019-11-26 02:49:57,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:49:57,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205156507] [2019-11-26 02:49:57,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230508830] [2019-11-26 02:49:57,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/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 [2019-11-26 02:49:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:49:57,591 WARN L253 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 35 conjunts are in the unsatisfiable core [2019-11-26 02:49:57,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:49:58,577 WARN L192 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 24 [2019-11-26 02:49:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:49:58,638 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:49:58,663 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:49:58,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:49:58,669 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:49:58,673 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:49:58,676 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:49:58,682 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:49:58,684 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:00,750 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse38 (mod c_ULTIMATE.start_main_~l~0 8))) (let ((.cse23 (mod c_ULTIMATE.start_main_~l~0 4294967296)) (.cse0 (= 0 .cse38)) (.cse21 (mod (+ c_ULTIMATE.start_main_~l~0 1) 4294967296))) (let ((.cse33 (= (mod (+ c_ULTIMATE.start_main_~v1~0 c_ULTIMATE.start_main_~v2~0 c_ULTIMATE.start_main_~i~0 c_ULTIMATE.start_main_~v3~0 c_ULTIMATE.start_main_~v4~0 c_ULTIMATE.start_main_~k~0 c_ULTIMATE.start_main_~j~0 c_ULTIMATE.start_main_~v5~0 1) 4294967296) .cse21)) (.cse2 (not .cse0)) (.cse4 (< .cse23 0)) (.cse1 (<= 0 .cse23)) (.cse3 (= (mod (+ .cse38 4294967288) 4294967296) 0))) (and (or (and .cse0 (or .cse1 .cse0)) (and .cse2 .cse3 .cse4) (let ((.cse37 (mod .cse23 7))) (let ((.cse36 (= 0 .cse37))) (let ((.cse35 (= 0 (mod .cse37 4294967296))) (.cse6 (not .cse36)) (.cse5 (= 0 (mod (+ .cse37 4294967289) 4294967296)))) (and (or (and .cse5 .cse6 .cse4) (let ((.cse34 (mod .cse23 6))) (let ((.cse31 (= .cse34 0))) (let ((.cse29 (= (mod (+ .cse34 4294967290) 4294967296) 0)) (.cse32 (= 0 (mod .cse34 4294967296))) (.cse30 (not .cse31))) (and (or (let ((.cse28 (mod .cse23 5))) (let ((.cse8 (= 0 .cse28))) (let ((.cse7 (= 0 (mod (+ .cse28 4294967291) 4294967296))) (.cse9 (not .cse8)) (.cse10 (= 0 (mod .cse28 4294967296))) (.cse11 (= .cse21 (mod (+ c_ULTIMATE.start_main_~v1~0 c_ULTIMATE.start_main_~i~0 c_ULTIMATE.start_main_~v2~0 c_ULTIMATE.start_main_~v3~0 c_ULTIMATE.start_main_~v4~0 c_ULTIMATE.start_main_~k~0 c_ULTIMATE.start_main_~j~0 c_ULTIMATE.start_main_~v5~0 1) 4294967296)))) (and (or (and (or .cse1 (not .cse7) .cse8) (or (and .cse9 .cse4) (not .cse10))) .cse11) (or (and .cse7 .cse9 .cse4) (and .cse10 (or .cse1 .cse8)) (let ((.cse27 (mod c_ULTIMATE.start_main_~l~0 4))) (let ((.cse24 (= .cse27 0))) (let ((.cse25 (not .cse24)) (.cse26 (= (mod (+ .cse27 4294967292) 4294967296) 0))) (and (or (let ((.cse22 (mod .cse23 3))) (let ((.cse12 (= .cse22 0))) (let ((.cse13 (= (mod .cse22 4294967296) 0)) (.cse15 (not .cse12)) (.cse14 (= (mod (+ .cse22 4294967293) 4294967296) 0)) (.cse19 (= .cse21 (mod (+ c_ULTIMATE.start_main_~v1~0 c_ULTIMATE.start_main_~i~0 c_ULTIMATE.start_main_~v2~0 c_ULTIMATE.start_main_~v3~0 c_ULTIMATE.start_main_~k~0 c_ULTIMATE.start_main_~v4~0 c_ULTIMATE.start_main_~j~0 c_ULTIMATE.start_main_~v5~0 1) 4294967296)))) (and (or (and (or .cse1 .cse12) .cse13) (and .cse14 .cse15 .cse4) (let ((.cse20 (mod c_ULTIMATE.start_main_~l~0 2))) (let ((.cse16 (= .cse20 0))) (let ((.cse17 (not .cse16)) (.cse18 (= 0 (mod (+ .cse20 4294967294) 4294967296)))) (and (or (and (or .cse1 .cse16) .cse16) (and .cse4 .cse17 .cse18) .cse19) (or (and (or (and .cse4 .cse17) .cse17) (or .cse1 (not .cse18) .cse16)) .cse19)))))) (or (and (or (not .cse13) (and .cse15 .cse4)) (or .cse1 (not .cse14) .cse12)) .cse19))))) (and (or .cse1 .cse24) .cse24) (and .cse25 .cse26 .cse4)) (or (and (or (and .cse25 .cse4) .cse25) (or .cse1 .cse24 (not .cse26))) .cse11)))))))))) (and .cse29 .cse30 .cse4) (and (or .cse1 .cse31) .cse32)) (or (and (or .cse1 .cse31 (not .cse29)) (or (not .cse32) (and .cse30 .cse4))) .cse33))))) (and .cse35 (or .cse1 .cse36))) (or (and (or (not .cse35) (and .cse6 .cse4)) (or .cse1 .cse36 (not .cse5))) .cse33)))))) (or .cse33 (and (or .cse2 (and .cse2 .cse4)) (or .cse1 .cse0 (not .cse3)))))))) is different from true [2019-11-26 02:50:10,761 WARN L192 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 174 DAG size of output: 20 [2019-11-26 02:50:10,768 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,769 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,774 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,782 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,786 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,789 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:50:10,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:50:10,907 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2121889412] [2019-11-26 02:50:10,932 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2019-11-26 02:50:10,932 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:50:10,947 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:50:10,964 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:50:10,967 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:50:15,279 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5500 conjuctions. This might take some time... [2019-11-26 02:50:24,508 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5825 conjuctions. This might take some time... [2019-11-26 02:50:29,480 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:50:29,999 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 59 [2019-11-26 02:50:30,082 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:50:30,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:50:30,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2019-11-26 02:50:30,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883351942] [2019-11-26 02:50:30,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-26 02:50:30,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:50:30,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-26 02:50:30,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=167, Unknown=1, NotChecked=26, Total=240 [2019-11-26 02:50:30,085 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 12 states. [2019-11-26 02:50:31,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:50:31,052 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2019-11-26 02:50:31,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-26 02:50:31,053 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2019-11-26 02:50:31,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:50:31,053 INFO L225 Difference]: With dead ends: 11 [2019-11-26 02:50:31,053 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:50:31,055 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 14.7s TimeCoverageRelationStatistics Valid=73, Invalid=272, Unknown=1, NotChecked=34, Total=380 [2019-11-26 02:50:31,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:50:31,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:50:31,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:50:31,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:50:31,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2019-11-26 02:50:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:50:31,055 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:50:31,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-26 02:50:31,056 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:50:31,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:50:31,256 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:50:31,259 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:50:32,033 WARN L192 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 48 [2019-11-26 02:50:32,035 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-26 02:50:32,035 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:50:32,035 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-26 02:50:32,036 INFO L440 ceAbstractionStarter]: At program point L37(lines 11 38) the Hoare annotation is: (or (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (let ((.cse0 (div ULTIMATE.start_main_~l~0 8)) (.cse1 (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~v5~0 ULTIMATE.start_main_~j~0))) (and (<= ULTIMATE.start_main_~l~0 (* 8 .cse0)) (<= ULTIMATE.start_main_~l~0 .cse1) (< 0 (+ .cse0 1)) (<= .cse1 ULTIMATE.start_main_~l~0)))) [2019-11-26 02:50:32,036 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-26 02:50:32,036 INFO L440 ceAbstractionStarter]: At program point L4-2(lines 3 36) the Hoare annotation is: (or (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (= (mod (+ ULTIMATE.start_main_~l~0 1) 4294967296) (mod (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~j~0 ULTIMATE.start_main_~v5~0 1) 4294967296))) (let ((.cse0 (+ ULTIMATE.start_main_~v1~0 ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~v5~0 ULTIMATE.start_main_~j~0))) (and (<= (+ (* 8589934591 ULTIMATE.start_main_~l~0) ULTIMATE.start_main_~n~0) (+ (* 4294967296 (div ULTIMATE.start_main_~n~0 4294967296)) 20000001)) (= ULTIMATE.start_main_~k~0 0) (<= .cse0 ULTIMATE.start_main_~l~0) (= ULTIMATE.start_main_~v5~0 0) (= ULTIMATE.start_main_~v4~0 0) (= ULTIMATE.start_main_~l~0 0) (<= ~SIZE~0 (+ ULTIMATE.start_main_~l~0 20000001)) (<= ULTIMATE.start_main_~l~0 .cse0) (< 0 (+ (div ~SIZE~0 4294967296) 1)) (= ULTIMATE.start_main_~v1~0 0) (= ULTIMATE.start_main_~i~0 0) (= ULTIMATE.start_main_~v3~0 0) (= ULTIMATE.start_main_~j~0 0)))) [2019-11-26 02:50:32,036 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:50:32,036 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-26 02:50:32,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:50:32 BoogieIcfgContainer [2019-11-26 02:50:32,052 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:50:32,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:50:32,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:50:32,053 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:50:32,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:49:55" (3/4) ... [2019-11-26 02:50:32,057 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:50:32,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-11-26 02:50:32,071 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:50:32,127 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b38d5ef2-3d4f-4229-99e6-8dd108356022/bin/utaipan/witness.graphml [2019-11-26 02:50:32,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:50:32,136 INFO L168 Benchmark]: Toolchain (without parser) took 41834.56 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 605.6 MB). Free memory was 948.8 MB in the beginning and 973.0 MB in the end (delta: -24.2 MB). Peak memory consumption was 581.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:32,141 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:32,141 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:32,142 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:32,142 INFO L168 Benchmark]: Boogie Preprocessor took 20.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:50:32,142 INFO L168 Benchmark]: RCFGBuilder took 4811.54 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:32,143 INFO L168 Benchmark]: TraceAbstraction took 36547.64 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 442.5 MB). Free memory was 1.1 GB in the beginning and 976.1 MB in the end (delta: 136.6 MB). Peak memory consumption was 579.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:32,143 INFO L168 Benchmark]: Witness Printer took 81.52 ms. Allocated memory is still 1.6 GB. Free memory was 976.1 MB in the beginning and 973.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:50:32,145 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -209.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 4811.54 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36547.64 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 442.5 MB). Free memory was 1.1 GB in the beginning and 976.1 MB in the end (delta: 136.6 MB). Peak memory consumption was 579.1 MB. Max. memory is 11.5 GB. * Witness Printer took 81.52 ms. Allocated memory is still 1.6 GB. Free memory was 976.1 MB in the beginning and 973.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. * 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: 11]: Loop Invariant Derived loop invariant: !(0 == cond) || (((l <= 8 * (l / 8) && l <= v1 + v2 + i + v3 + k + v4 + v5 + j) && 0 < l / 8 + 1) && v1 + v2 + i + v3 + k + v4 + v5 + j <= l) - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: (1 == cond && (l + 1) % 4294967296 == (v1 + i + v2 + v3 + v4 + k + j + v5 + 1) % 4294967296) || ((((((((((((8589934591 * l + n <= 4294967296 * (n / 4294967296) + 20000001 && k == 0) && v1 + v2 + i + v3 + k + v4 + v5 + j <= l) && v5 == 0) && v4 == 0) && l == 0) && SIZE <= l + 20000001) && l <= v1 + v2 + i + v3 + k + v4 + v5 + j) && 0 < SIZE / 4294967296 + 1) && v1 == 0) && i == 0) && v3 == 0) && j == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: SAFE, OverallTime: 36.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 10 SDtfs, 14 SDslu, 9 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 14.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 8 NumberOfFragments, 137 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 147 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 14.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 7594 SizeOfPredicates, 13 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1/6 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...