./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/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 f5d9ac754231ae2d56ad4837ed9503039449ffeb ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:02:07,110 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:02:07,111 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:02:07,118 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:02:07,118 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:02:07,119 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:02:07,119 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:02:07,121 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:02:07,122 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:02:07,122 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:02:07,123 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:02:07,123 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:02:07,124 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:02:07,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:02:07,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:02:07,126 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:02:07,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:02:07,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:02:07,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:02:07,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:02:07,132 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:02:07,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:02:07,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:02:07,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:02:07,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:02:07,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:02:07,137 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:02:07,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:02:07,138 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:02:07,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:02:07,139 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:02:07,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:02:07,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:02:07,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:02:07,141 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:02:07,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:02:07,141 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 05:02:07,152 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:02:07,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:02:07,153 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:02:07,153 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:02:07,153 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:02:07,153 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:02:07,153 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:02:07,154 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:02:07,154 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:02:07,154 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:02:07,154 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:02:07,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:02:07,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:02:07,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:02:07,155 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:02:07,155 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:02:07,157 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:02:07,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:02:07,157 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:02:07,157 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:02:07,157 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:02:07,157 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:02:07,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:02:07,158 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:02:07,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:02:07,158 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:02:07,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:02:07,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:02:07,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:02:07,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:02:07,159 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:02:07,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:02:07,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:02:07,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:02:07,159 INFO L133 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/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/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 -> f5d9ac754231ae2d56ad4837ed9503039449ffeb [2018-11-10 05:02:07,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:02:07,193 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:02:07,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:02:07,197 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:02:07,197 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:02:07,198 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/../../sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-10 05:02:07,241 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/data/5ea895830/a7d7208fe13e4e9a9e5f31d82a73c7c9/FLAGb9d5e49e4 [2018-11-10 05:02:07,568 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:02:07,569 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/sv-benchmarks/c/loop-industry-pattern/mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-10 05:02:07,575 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/data/5ea895830/a7d7208fe13e4e9a9e5f31d82a73c7c9/FLAGb9d5e49e4 [2018-11-10 05:02:07,585 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/data/5ea895830/a7d7208fe13e4e9a9e5f31d82a73c7c9 [2018-11-10 05:02:07,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:02:07,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:02:07,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:02:07,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:02:07,592 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:02:07,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18da3d15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07, skipping insertion in model container [2018-11-10 05:02:07,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:02:07,617 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:02:07,725 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:02:07,729 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:02:07,748 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:02:07,757 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:02:07,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07 WrapperNode [2018-11-10 05:02:07,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:02:07,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:02:07,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:02:07,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:02:07,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:02:07,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:02:07,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:02:07,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:02:07,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... [2018-11-10 05:02:07,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:02:07,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:02:07,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:02:07,783 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:02:07,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/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 [2018-11-10 05:02:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:02:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:02:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:02:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:02:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:02:07,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:02:07,995 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:02:07,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:07 BoogieIcfgContainer [2018-11-10 05:02:07,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:02:07,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:02:07,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:02:07,998 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:02:07,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:02:07" (1/3) ... [2018-11-10 05:02:07,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ab2085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:02:07, skipping insertion in model container [2018-11-10 05:02:07,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:02:07" (2/3) ... [2018-11-10 05:02:07,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ab2085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:02:07, skipping insertion in model container [2018-11-10 05:02:07,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:07" (3/3) ... [2018-11-10 05:02:08,001 INFO L112 eAbstractionObserver]: Analyzing ICFG mod3_true-unreach-call.c.v+sep-reducer.c [2018-11-10 05:02:08,008 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:02:08,014 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 05:02:08,022 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 05:02:08,043 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:02:08,043 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:02:08,043 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:02:08,043 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:02:08,043 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:02:08,044 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:02:08,044 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:02:08,044 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:02:08,054 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-11-10 05:02:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 05:02:08,058 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:08,059 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:08,061 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:08,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:08,065 INFO L82 PathProgramCache]: Analyzing trace with hash 453243256, now seen corresponding path program 1 times [2018-11-10 05:02:08,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:02:08,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:08,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:08,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:08,099 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:02:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:08,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:08,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 05:02:08,279 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:02:08,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 05:02:08,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 05:02:08,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 05:02:08,292 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 4 states. [2018-11-10 05:02:12,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:12,525 INFO L93 Difference]: Finished difference Result 61 states and 85 transitions. [2018-11-10 05:02:12,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 05:02:12,526 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-11-10 05:02:12,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:12,533 INFO L225 Difference]: With dead ends: 61 [2018-11-10 05:02:12,533 INFO L226 Difference]: Without dead ends: 29 [2018-11-10 05:02:12,535 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:02:12,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-10 05:02:12,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2018-11-10 05:02:12,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-10 05:02:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2018-11-10 05:02:12,561 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 15 [2018-11-10 05:02:12,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:12,562 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2018-11-10 05:02:12,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 05:02:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-11-10 05:02:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:02:12,562 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:12,563 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:12,563 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:12,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash -386324053, now seen corresponding path program 1 times [2018-11-10 05:02:12,564 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:02:12,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:12,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:12,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:12,565 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:02:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:12,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:12,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 05:02:12,676 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:02:12,678 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 05:02:12,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 05:02:12,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 05:02:12,679 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 4 states. [2018-11-10 05:02:20,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:20,356 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2018-11-10 05:02:20,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 05:02:20,356 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-10 05:02:20,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:20,357 INFO L225 Difference]: With dead ends: 58 [2018-11-10 05:02:20,357 INFO L226 Difference]: Without dead ends: 34 [2018-11-10 05:02:20,357 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:02:20,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-10 05:02:20,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2018-11-10 05:02:20,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-10 05:02:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2018-11-10 05:02:20,361 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 16 [2018-11-10 05:02:20,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:20,361 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2018-11-10 05:02:20,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 05:02:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2018-11-10 05:02:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:02:20,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:02:20,362 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:02:20,362 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 05:02:20,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:02:20,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1395322531, now seen corresponding path program 1 times [2018-11-10 05:02:20,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:02:20,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:20,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:02:20,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:02:20,363 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:02:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:02:20,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:02:20,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:02:20,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 05:02:20,947 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:02:20,947 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 05:02:20,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 05:02:20,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 05:02:20,948 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand 4 states. [2018-11-10 05:02:32,024 WARN L179 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 23 [2018-11-10 05:02:36,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:02:36,913 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2018-11-10 05:02:36,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 05:02:36,914 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2018-11-10 05:02:36,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:02:36,914 INFO L225 Difference]: With dead ends: 58 [2018-11-10 05:02:36,915 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 05:02:36,915 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:02:36,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 05:02:36,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 05:02:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 05:02:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:02:36,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2018-11-10 05:02:36,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:02:36,916 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:02:36,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 05:02:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:02:36,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:02:36,919 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 05:02:41,411 WARN L179 SmtUtils]: Spent 4.48 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-10 05:02:52,934 WARN L179 SmtUtils]: Spent 11.52 s on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-11-10 05:02:52,937 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:02:52,937 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:02:52,937 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:02:52,937 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:02:52,937 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 05:02:52,937 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:02:52,937 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:02:52,938 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 102) no Hoare annotation was computed. [2018-11-10 05:02:52,938 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 145) no Hoare annotation was computed. [2018-11-10 05:02:52,938 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 95) no Hoare annotation was computed. [2018-11-10 05:02:52,938 INFO L421 ceAbstractionStarter]: At program point L40(lines 22 139) the Hoare annotation is: (or (<= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ .cse0 (div (+ .cse0 (+ (* 2 main_~main__x~0) 2)) 3) 2)) (* 2 (div (+ (* 2 (div (+ main_~main__x~0 (- 3)) 4294967296)) (+ main_~main__x~0 3)) 3))) (let ((.cse1 (* 1431655765 main_~main__x~0))) (<= .cse1 (+ (* 4294967296 (div (+ .cse1 (- 2863311531)) 4294967296)) 4294967295)))) [2018-11-10 05:02:52,938 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 80) no Hoare annotation was computed. [2018-11-10 05:02:52,938 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 108) no Hoare annotation was computed. [2018-11-10 05:02:52,938 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 144) no Hoare annotation was computed. [2018-11-10 05:02:52,939 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 137) no Hoare annotation was computed. [2018-11-10 05:02:52,939 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 82) no Hoare annotation was computed. [2018-11-10 05:02:52,939 INFO L428 ceAbstractionStarter]: At program point L136(lines 14 145) the Hoare annotation is: true [2018-11-10 05:02:52,939 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 138) no Hoare annotation was computed. [2018-11-10 05:02:52,939 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-10 05:02:52,939 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 81) no Hoare annotation was computed. [2018-11-10 05:02:52,939 INFO L421 ceAbstractionStarter]: At program point L50(lines 22 139) the Hoare annotation is: (let ((.cse0 (* 1431655765 main_~main__x~0))) (<= (+ .cse0 1) (* 4294967296 (div (+ .cse0 1431655765) 4294967296)))) [2018-11-10 05:02:52,939 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 145) no Hoare annotation was computed. [2018-11-10 05:02:52,939 INFO L428 ceAbstractionStarter]: At program point L133(lines 33 138) the Hoare annotation is: true [2018-11-10 05:02:52,939 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 145) the Hoare annotation is: true [2018-11-10 05:02:52,940 INFO L421 ceAbstractionStarter]: At program point L59(lines 34 110) the Hoare annotation is: (or (<= (let ((.cse0 (div main_~main__x~0 4294967296))) (+ .cse0 (div (+ .cse0 (+ (* 2 main_~main__x~0) 2)) 3) 2)) (* 2 (div (+ (* 2 (div (+ main_~main__x~0 (- 3)) 4294967296)) (+ main_~main__x~0 3)) 3))) (let ((.cse1 (* 1431655765 main_~main__x~0))) (<= .cse1 (+ (* 4294967296 (div (+ .cse1 (- 2863311531)) 4294967296)) 4294967295)))) [2018-11-10 05:02:52,940 INFO L428 ceAbstractionStarter]: At program point L121(lines 33 138) the Hoare annotation is: true [2018-11-10 05:02:52,940 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 139) no Hoare annotation was computed. [2018-11-10 05:02:52,940 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 109) no Hoare annotation was computed. [2018-11-10 05:02:52,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:02:52 BoogieIcfgContainer [2018-11-10 05:02:52,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:02:52,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:02:52,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:02:52,950 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:02:52,951 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:02:07" (3/4) ... [2018-11-10 05:02:52,953 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:02:52,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:02:52,957 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:02:52,960 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 05:02:52,960 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:02:52,997 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1a4d13ca-bbc7-48d9-90cd-f166100a8548/bin-2019/utaipan/witness.graphml [2018-11-10 05:02:52,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:02:52,998 INFO L168 Benchmark]: Toolchain (without parser) took 45410.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -73.0 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,999 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:02:52,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.05 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 946.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:52,999 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.29 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:53,000 INFO L168 Benchmark]: Boogie Preprocessor took 12.45 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:02:53,000 INFO L168 Benchmark]: RCFGBuilder took 212.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:53,000 INFO L168 Benchmark]: TraceAbstraction took 44953.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:53,000 INFO L168 Benchmark]: Witness Printer took 47.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:02:53,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.05 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 946.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.29 ms. Allocated memory is still 1.0 GB. Free memory was 946.3 MB in the beginning and 943.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.45 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 212.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 44953.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 95]: 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: 34]: Loop Invariant Derived loop invariant: main__x / 4294967296 + (main__x / 4294967296 + (2 * main__x + 2)) / 3 + 2 <= 2 * ((2 * ((main__x + -3) / 4294967296) + (main__x + 3)) / 3) || 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1431655765 * main__x + 1 <= 4294967296 * ((1431655765 * main__x + 1431655765) / 4294967296) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: main__x / 4294967296 + (main__x / 4294967296 + (2 * main__x + 2)) / 3 + 2 <= 2 * ((2 * ((main__x + -3) / 4294967296) + (main__x + 3)) / 3) || 1431655765 * main__x <= 4294967296 * ((1431655765 * main__x + -2863311531) / 4294967296) + 4294967295 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 44.9s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 27.8s AutomataDifference, 0.0s DeadEndRemovalTime, 16.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 93 SDtfs, 17 SDslu, 142 SDs, 0 SdLazy, 63 SolverSat, 6 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 24.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 19 NumberOfFragments, 118 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 16.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 5023 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...