./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c44a8f5e35fc1ee5ca6d97a995b7f7e9f785e1a5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:30,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:30,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:30,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:30,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:30,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:30,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:30,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:30,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:30,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:30,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:30,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:30,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:30,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:30,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:30,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:30,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:30,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:30,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:30,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:30,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:30,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:30,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:30,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:30,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:30,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:30,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:30,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:30,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:30,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:30,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:30,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:30,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:30,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:30,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:30,565 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:30,565 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:30,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:30,566 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:30,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:30,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:30,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-10-22 11:27:30,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:30,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:30,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:30,581 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:30,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:30,582 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:30,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:30,582 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:30,582 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:30,582 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:30,582 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:30,583 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:30,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:30,583 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:30,583 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:30,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:30,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:30,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:30,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:30,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:30,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:30,594 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:27:30,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:30,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:30,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:30,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:30,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:30,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:30,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:30,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:30,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:30,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:30,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:30,596 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:30,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:30,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:30,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:30,597 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/working_dir_cca61314-3750-4762-a01d-741dd0909499/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 ! overflow) ) 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 -> c44a8f5e35fc1ee5ca6d97a995b7f7e9f785e1a5 [2019-10-22 11:27:30,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:30,636 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:30,638 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:30,639 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:30,640 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:30,642 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2019-10-22 11:27:30,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/data/58bf3d91a/fd31a3f3e47440f3bbd32b4580a0079e/FLAG82df343a4 [2019-10-22 11:27:31,144 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:31,145 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2019-10-22 11:27:31,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/data/58bf3d91a/fd31a3f3e47440f3bbd32b4580a0079e/FLAG82df343a4 [2019-10-22 11:27:31,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/data/58bf3d91a/fd31a3f3e47440f3bbd32b4580a0079e [2019-10-22 11:27:31,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:31,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:31,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:31,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:31,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:31,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:31,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451d7634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31, skipping insertion in model container [2019-10-22 11:27:31,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:31,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:31,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:31,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:31,876 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:31,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:31,973 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:31,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31 WrapperNode [2019-10-22 11:27:31,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:31,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:31,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:31,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:31,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:31,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:32,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:32,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:32,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:32,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,079 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... [2019-10-22 11:27:32,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:32,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:32,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:32,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:32,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/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 [2019-10-22 11:27:32,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:32,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:32,301 WARN L732 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-10-22 11:27:32,936 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2019-10-22 11:27:32,936 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2019-10-22 11:27:32,937 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:32,938 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:27:32,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:32 BoogieIcfgContainer [2019-10-22 11:27:32,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:32,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:32,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:32,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:32,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:31" (1/3) ... [2019-10-22 11:27:32,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600eb9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:32, skipping insertion in model container [2019-10-22 11:27:32,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:31" (2/3) ... [2019-10-22 11:27:32,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@600eb9d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:32, skipping insertion in model container [2019-10-22 11:27:32,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:32" (3/3) ... [2019-10-22 11:27:32,950 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2019-10-22 11:27:32,961 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:32,971 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-10-22 11:27:32,983 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-10-22 11:27:33,011 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:33,017 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:33,017 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:33,017 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:33,018 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:33,018 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:33,018 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:33,018 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:33,039 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2019-10-22 11:27:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:33,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:33,051 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:33,053 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:27:33,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:33,060 INFO L82 PathProgramCache]: Analyzing trace with hash -1287811668, now seen corresponding path program 1 times [2019-10-22 11:27:33,070 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:33,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396181141] [2019-10-22 11:27:33,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,072 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:33,239 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396181141] [2019-10-22 11:27:33,240 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:33,240 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:33,241 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639946908] [2019-10-22 11:27:33,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:27:33,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:33,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:27:33,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:33,259 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2019-10-22 11:27:33,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:33,291 INFO L93 Difference]: Finished difference Result 269 states and 456 transitions. [2019-10-22 11:27:33,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:27:33,293 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:27:33,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:33,300 INFO L225 Difference]: With dead ends: 269 [2019-10-22 11:27:33,300 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:27:33,303 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:27:33,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:27:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:27:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:27:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:27:33,327 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-10-22 11:27:33,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:33,327 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:27:33,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:27:33,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:27:33,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:27:33,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:27:33,413 INFO L443 ceAbstractionStarter]: For program point L267(line 267) no Hoare annotation was computed. [2019-10-22 11:27:33,413 INFO L443 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2019-10-22 11:27:33,413 INFO L446 ceAbstractionStarter]: At program point L168(lines 167 605) the Hoare annotation is: true [2019-10-22 11:27:33,413 INFO L446 ceAbstractionStarter]: At program point L135(lines 128 618) the Hoare annotation is: true [2019-10-22 11:27:33,414 INFO L443 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2019-10-22 11:27:33,414 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 265) no Hoare annotation was computed. [2019-10-22 11:27:33,414 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2019-10-22 11:27:33,414 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 593) no Hoare annotation was computed. [2019-10-22 11:27:33,414 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 604) no Hoare annotation was computed. [2019-10-22 11:27:33,414 INFO L443 ceAbstractionStarter]: For program point L137(lines 137 615) no Hoare annotation was computed. [2019-10-22 11:27:33,414 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 626) no Hoare annotation was computed. [2019-10-22 11:27:33,415 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 340) no Hoare annotation was computed. [2019-10-22 11:27:33,415 INFO L446 ceAbstractionStarter]: At program point L204(lines 200 594) the Hoare annotation is: true [2019-10-22 11:27:33,415 INFO L446 ceAbstractionStarter]: At program point L105(lines 104 626) the Hoare annotation is: true [2019-10-22 11:27:33,415 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 480) no Hoare annotation was computed. [2019-10-22 11:27:33,415 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 440) no Hoare annotation was computed. [2019-10-22 11:27:33,415 INFO L446 ceAbstractionStarter]: At program point L370(lines 353 388) the Hoare annotation is: true [2019-10-22 11:27:33,415 INFO L446 ceAbstractionStarter]: At program point L404(lines 395 426) the Hoare annotation is: true [2019-10-22 11:27:33,416 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 244) no Hoare annotation was computed. [2019-10-22 11:27:33,416 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 592) no Hoare annotation was computed. [2019-10-22 11:27:33,416 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 603) no Hoare annotation was computed. [2019-10-22 11:27:33,417 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 614) no Hoare annotation was computed. [2019-10-22 11:27:33,417 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 625) no Hoare annotation was computed. [2019-10-22 11:27:33,417 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 265) no Hoare annotation was computed. [2019-10-22 11:27:33,417 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-10-22 11:27:33,417 INFO L446 ceAbstractionStarter]: At program point L207(lines 206 592) the Hoare annotation is: true [2019-10-22 11:27:33,417 INFO L446 ceAbstractionStarter]: At program point L174(lines 170 604) the Hoare annotation is: true [2019-10-22 11:27:33,417 INFO L446 ceAbstractionStarter]: At program point L141(lines 137 615) the Hoare annotation is: true [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 83) no Hoare annotation was computed. [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 412) no Hoare annotation was computed. [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 582) no Hoare annotation was computed. [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 572 582) no Hoare annotation was computed. [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L473(lines 473 477) no Hoare annotation was computed. [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 279) no Hoare annotation was computed. [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 602) no Hoare annotation was computed. [2019-10-22 11:27:33,418 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 613) no Hoare annotation was computed. [2019-10-22 11:27:33,419 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 624) no Hoare annotation was computed. [2019-10-22 11:27:33,419 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 511) no Hoare annotation was computed. [2019-10-22 11:27:33,419 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2019-10-22 11:27:33,419 INFO L446 ceAbstractionStarter]: At program point L210(lines 209 591) the Hoare annotation is: true [2019-10-22 11:27:33,419 INFO L443 ceAbstractionStarter]: For program point L78(lines 78 82) no Hoare annotation was computed. [2019-10-22 11:27:33,419 INFO L443 ceAbstractionStarter]: For program point L78-2(lines 75 83) no Hoare annotation was computed. [2019-10-22 11:27:33,419 INFO L446 ceAbstractionStarter]: At program point L673(lines 66 675) the Hoare annotation is: true [2019-10-22 11:27:33,420 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 646) no Hoare annotation was computed. [2019-10-22 11:27:33,420 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 546) no Hoare annotation was computed. [2019-10-22 11:27:33,420 INFO L446 ceAbstractionStarter]: At program point L674(lines 9 676) the Hoare annotation is: true [2019-10-22 11:27:33,421 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 579) no Hoare annotation was computed. [2019-10-22 11:27:33,421 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 264) no Hoare annotation was computed. [2019-10-22 11:27:33,421 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 601) no Hoare annotation was computed. [2019-10-22 11:27:33,421 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 612) no Hoare annotation was computed. [2019-10-22 11:27:33,421 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 623) no Hoare annotation was computed. [2019-10-22 11:27:33,421 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 316) no Hoare annotation was computed. [2019-10-22 11:27:33,422 INFO L443 ceAbstractionStarter]: For program point L312-2(lines 211 588) no Hoare annotation was computed. [2019-10-22 11:27:33,422 INFO L446 ceAbstractionStarter]: At program point L180(lines 176 602) the Hoare annotation is: true [2019-10-22 11:27:33,422 INFO L446 ceAbstractionStarter]: At program point L147(lines 143 613) the Hoare annotation is: true [2019-10-22 11:27:33,422 INFO L446 ceAbstractionStarter]: At program point L214(lines 107 625) the Hoare annotation is: true [2019-10-22 11:27:33,422 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 516) no Hoare annotation was computed. [2019-10-22 11:27:33,422 INFO L443 ceAbstractionStarter]: For program point L512-2(lines 512 516) no Hoare annotation was computed. [2019-10-22 11:27:33,422 INFO L443 ceAbstractionStarter]: For program point L446-1(lines 446 458) no Hoare annotation was computed. [2019-10-22 11:27:33,422 INFO L443 ceAbstractionStarter]: For program point L182(lines 182 600) no Hoare annotation was computed. [2019-10-22 11:27:33,423 INFO L443 ceAbstractionStarter]: For program point L149(lines 149 611) no Hoare annotation was computed. [2019-10-22 11:27:33,423 INFO L443 ceAbstractionStarter]: For program point L116(lines 116 622) no Hoare annotation was computed. [2019-10-22 11:27:33,423 INFO L446 ceAbstractionStarter]: At program point L414(lines 405 425) the Hoare annotation is: true [2019-10-22 11:27:33,423 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 352) no Hoare annotation was computed. [2019-10-22 11:27:33,423 INFO L443 ceAbstractionStarter]: For program point L348-2(lines 211 588) no Hoare annotation was computed. [2019-10-22 11:27:33,423 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 93) no Hoare annotation was computed. [2019-10-22 11:27:33,423 INFO L443 ceAbstractionStarter]: For program point L85-1(lines 66 675) no Hoare annotation was computed. [2019-10-22 11:27:33,423 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 454) no Hoare annotation was computed. [2019-10-22 11:27:33,424 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:27:33,424 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 599) no Hoare annotation was computed. [2019-10-22 11:27:33,424 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 610) no Hoare annotation was computed. [2019-10-22 11:27:33,424 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 621) no Hoare annotation was computed. [2019-10-22 11:27:33,425 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 90) no Hoare annotation was computed. [2019-10-22 11:27:33,425 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 421) no Hoare annotation was computed. [2019-10-22 11:27:33,425 INFO L443 ceAbstractionStarter]: For program point L219(lines 219 223) no Hoare annotation was computed. [2019-10-22 11:27:33,425 INFO L446 ceAbstractionStarter]: At program point L186(lines 182 600) the Hoare annotation is: true [2019-10-22 11:27:33,425 INFO L446 ceAbstractionStarter]: At program point L153(lines 149 611) the Hoare annotation is: true [2019-10-22 11:27:33,425 INFO L443 ceAbstractionStarter]: For program point L219-2(lines 211 588) no Hoare annotation was computed. [2019-10-22 11:27:33,425 INFO L443 ceAbstractionStarter]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-10-22 11:27:33,426 INFO L443 ceAbstractionStarter]: For program point L485(lines 485 489) no Hoare annotation was computed. [2019-10-22 11:27:33,426 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 598) no Hoare annotation was computed. [2019-10-22 11:27:33,426 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 609) no Hoare annotation was computed. [2019-10-22 11:27:33,426 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 620) no Hoare annotation was computed. [2019-10-22 11:27:33,426 INFO L446 ceAbstractionStarter]: At program point L552(lines 66 675) the Hoare annotation is: true [2019-10-22 11:27:33,426 INFO L446 ceAbstractionStarter]: At program point L123(lines 119 621) the Hoare annotation is: true [2019-10-22 11:27:33,426 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:27:33,426 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 269) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L446 ceAbstractionStarter]: At program point L686(lines 677 688) the Hoare annotation is: true [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 387) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 262) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 597) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 608) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L125(lines 125 619) no Hoare annotation was computed. [2019-10-22 11:27:33,427 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 527) no Hoare annotation was computed. [2019-10-22 11:27:33,428 INFO L446 ceAbstractionStarter]: At program point L192(lines 188 598) the Hoare annotation is: true [2019-10-22 11:27:33,428 INFO L446 ceAbstractionStarter]: At program point L159(lines 155 609) the Hoare annotation is: true [2019-10-22 11:27:33,428 INFO L446 ceAbstractionStarter]: At program point L126(lines 125 619) the Hoare annotation is: true [2019-10-22 11:27:33,429 INFO L446 ceAbstractionStarter]: At program point L589(lines 101 657) the Hoare annotation is: true [2019-10-22 11:27:33,429 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 560) no Hoare annotation was computed. [2019-10-22 11:27:33,429 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2019-10-22 11:27:33,429 INFO L443 ceAbstractionStarter]: For program point L292-2(lines 211 588) no Hoare annotation was computed. [2019-10-22 11:27:33,429 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:27:33,429 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 386) no Hoare annotation was computed. [2019-10-22 11:27:33,429 INFO L443 ceAbstractionStarter]: For program point L359-1(lines 359 386) no Hoare annotation was computed. [2019-10-22 11:27:33,430 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 596) no Hoare annotation was computed. [2019-10-22 11:27:33,430 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 607) no Hoare annotation was computed. [2019-10-22 11:27:33,430 INFO L443 ceAbstractionStarter]: For program point L128(lines 128 618) no Hoare annotation was computed. [2019-10-22 11:27:33,430 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 383) no Hoare annotation was computed. [2019-10-22 11:27:33,430 INFO L446 ceAbstractionStarter]: At program point L658(lines 100 659) the Hoare annotation is: true [2019-10-22 11:27:33,430 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2019-10-22 11:27:33,430 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 426) no Hoare annotation was computed. [2019-10-22 11:27:33,430 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 595) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 606) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 617) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 655) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 402) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 382) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L443 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2019-10-22 11:27:33,431 INFO L446 ceAbstractionStarter]: At program point L198(lines 194 596) the Hoare annotation is: true [2019-10-22 11:27:33,432 INFO L446 ceAbstractionStarter]: At program point L165(lines 161 607) the Hoare annotation is: true [2019-10-22 11:27:33,432 INFO L443 ceAbstractionStarter]: For program point L231-2(lines 211 588) no Hoare annotation was computed. [2019-10-22 11:27:33,432 INFO L443 ceAbstractionStarter]: For program point L628(lines 628 652) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L562(lines 562 566) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 500) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L562-2(lines 562 566) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L529-2(lines 211 588) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L364(lines 364 368) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L364-2(lines 363 380) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2019-10-22 11:27:33,433 INFO L443 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 666) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 638) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point L662-2(lines 662 666) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point L629-2(lines 628 650) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 468) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point L332-1(lines 332 341) no Hoare annotation was computed. [2019-10-22 11:27:33,434 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 238) no Hoare annotation was computed. [2019-10-22 11:27:33,435 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 594) no Hoare annotation was computed. [2019-10-22 11:27:33,435 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 605) no Hoare annotation was computed. [2019-10-22 11:27:33,435 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 616) no Hoare annotation was computed. [2019-10-22 11:27:33,435 INFO L446 ceAbstractionStarter]: At program point L101-2(lines 101 657) the Hoare annotation is: true [2019-10-22 11:27:33,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:33 BoogieIcfgContainer [2019-10-22 11:27:33,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:33,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:33,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:33,446 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:33,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:32" (3/4) ... [2019-10-22 11:27:33,451 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:27:33,470 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:27:33,472 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:27:33,588 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cca61314-3750-4762-a01d-741dd0909499/bin/utaipan/witness.graphml [2019-10-22 11:27:33,588 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:33,590 INFO L168 Benchmark]: Toolchain (without parser) took 2090.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 949.9 MB in the beginning and 1.0 GB in the end (delta: -73.6 MB). Peak memory consumption was 67.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:33,591 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:33,591 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:33,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:33,595 INFO L168 Benchmark]: Boogie Preprocessor took 55.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:33,596 INFO L168 Benchmark]: RCFGBuilder took 839.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:33,599 INFO L168 Benchmark]: TraceAbstraction took 504.91 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:33,599 INFO L168 Benchmark]: Witness Printer took 143.02 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:33,601 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 473.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -181.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 839.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 504.91 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: 40.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 11.5 GB. * Witness Printer took 143.02 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 264]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 265]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 265]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 146 locations, 5 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 219 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 58 NumberOfFragments, 29 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...