./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c -s /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:24:26,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:24:26,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:24:26,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:24:26,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:24:26,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:24:26,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:24:26,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:24:26,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:24:26,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:24:26,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:24:26,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:24:26,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:24:26,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:24:26,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:24:26,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:24:26,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:24:26,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:24:26,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:24:26,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:24:26,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:24:26,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:24:26,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:24:26,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:24:26,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:24:26,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:24:26,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:24:26,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:24:26,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:24:26,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:24:26,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:24:26,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:24:26,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:24:26,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:24:26,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:24:26,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:24:26,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:24:26,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:24:26,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:24:26,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:24:26,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:24:26,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:24:26,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:24:26,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:24:26,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:24:26,600 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:24:26,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:24:26,601 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:24:26,601 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:24:26,601 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:24:26,601 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:24:26,601 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:24:26,601 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:24:26,601 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:24:26,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:24:26,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:24:26,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:24:26,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:24:26,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:24:26,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:24:26,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:24:26,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:24:26,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:24:26,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:24:26,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:24:26,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:24:26,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:24:26,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:24:26,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:24:26,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:24:26,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:24:26,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:24:26,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:24:26,606 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:24:26,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:24:26,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:24:26,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:24:26,607 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_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c [2019-10-22 11:24:26,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:24:26,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:24:26,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:24:26,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:24:26,659 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:24:26,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2019-10-22 11:24:26,702 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/data/307a354f8/e48afcf0508249c9b3522b395661fe57/FLAG1eead97eb [2019-10-22 11:24:27,184 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:27,185 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/sv-benchmarks/c/eca-rers2012/Problem14_label30.c [2019-10-22 11:24:27,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/data/307a354f8/e48afcf0508249c9b3522b395661fe57/FLAG1eead97eb [2019-10-22 11:24:27,485 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/data/307a354f8/e48afcf0508249c9b3522b395661fe57 [2019-10-22 11:24:27,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:27,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:27,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:27,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:27,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:27,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:27" (1/1) ... [2019-10-22 11:24:27,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e671e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:27, skipping insertion in model container [2019-10-22 11:24:27,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:27" (1/1) ... [2019-10-22 11:24:27,509 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:27,577 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:27,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:27,987 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:28,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:28,149 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:28,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28 WrapperNode [2019-10-22 11:24:28,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:28,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:28,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:28,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:28,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:28,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:28,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:28,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:28,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... [2019-10-22 11:24:28,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:28,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:28,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:28,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:28,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/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 11:24:28,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:28,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:29,609 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:29,610 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:24:29,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:29 BoogieIcfgContainer [2019-10-22 11:24:29,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:29,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:29,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:29,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:29,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:27" (1/3) ... [2019-10-22 11:24:29,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788d998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:29, skipping insertion in model container [2019-10-22 11:24:29,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:28" (2/3) ... [2019-10-22 11:24:29,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@788d998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:29, skipping insertion in model container [2019-10-22 11:24:29,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:29" (3/3) ... [2019-10-22 11:24:29,619 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label30.c [2019-10-22 11:24:29,629 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:29,637 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 11:24:29,649 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 11:24:29,679 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:29,680 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:24:29,680 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:29,680 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:29,680 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:29,682 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:29,682 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:29,682 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-10-22 11:24:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-22 11:24:29,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:29,715 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:29,718 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:29,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:29,724 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2019-10-22 11:24:29,732 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:29,733 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127904856] [2019-10-22 11:24:29,733 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:29,733 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:29,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:29,978 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 11:24:29,979 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127904856] [2019-10-22 11:24:29,980 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:29,981 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:29,981 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391300514] [2019-10-22 11:24:29,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:29,988 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:30,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:30,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:30,005 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-10-22 11:24:31,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:31,672 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-10-22 11:24:31,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:31,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-10-22 11:24:31,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:31,694 INFO L225 Difference]: With dead ends: 850 [2019-10-22 11:24:31,695 INFO L226 Difference]: Without dead ends: 538 [2019-10-22 11:24:31,699 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-22 11:24:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-10-22 11:24:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-22 11:24:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-10-22 11:24:31,766 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 43 [2019-10-22 11:24:31,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:31,766 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-10-22 11:24:31,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-10-22 11:24:31,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-22 11:24:31,772 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:31,772 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:31,773 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:31,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:31,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1860908762, now seen corresponding path program 1 times [2019-10-22 11:24:31,773 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:31,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485336176] [2019-10-22 11:24:31,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:31,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:31,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-22 11:24:31,982 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485336176] [2019-10-22 11:24:31,983 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:31,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:31,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141548958] [2019-10-22 11:24:31,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:31,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:31,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:31,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:31,986 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-10-22 11:24:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:33,003 INFO L93 Difference]: Finished difference Result 1964 states and 3003 transitions. [2019-10-22 11:24:33,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:33,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-10-22 11:24:33,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:33,009 INFO L225 Difference]: With dead ends: 1964 [2019-10-22 11:24:33,009 INFO L226 Difference]: Without dead ends: 1428 [2019-10-22 11:24:33,012 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:33,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-10-22 11:24:33,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-10-22 11:24:33,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-10-22 11:24:33,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-10-22 11:24:33,063 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 178 [2019-10-22 11:24:33,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:33,063 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-10-22 11:24:33,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:33,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-10-22 11:24:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-22 11:24:33,070 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:33,075 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:33,075 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:33,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:33,075 INFO L82 PathProgramCache]: Analyzing trace with hash -31391472, now seen corresponding path program 1 times [2019-10-22 11:24:33,075 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:33,076 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816243520] [2019-10-22 11:24:33,076 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:33,076 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:33,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-22 11:24:33,218 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816243520] [2019-10-22 11:24:33,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:33,221 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:33,221 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577912143] [2019-10-22 11:24:33,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:33,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:33,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:33,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:33,222 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-10-22 11:24:34,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:34,278 INFO L93 Difference]: Finished difference Result 4456 states and 6356 transitions. [2019-10-22 11:24:34,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:34,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 181 [2019-10-22 11:24:34,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:34,288 INFO L225 Difference]: With dead ends: 4456 [2019-10-22 11:24:34,288 INFO L226 Difference]: Without dead ends: 3030 [2019-10-22 11:24:34,290 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:34,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-10-22 11:24:34,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2674. [2019-10-22 11:24:34,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2674 states. [2019-10-22 11:24:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 3515 transitions. [2019-10-22 11:24:34,342 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 3515 transitions. Word has length 181 [2019-10-22 11:24:34,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:34,342 INFO L462 AbstractCegarLoop]: Abstraction has 2674 states and 3515 transitions. [2019-10-22 11:24:34,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:34,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3515 transitions. [2019-10-22 11:24:34,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-10-22 11:24:34,348 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:34,348 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:34,349 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:34,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:34,349 INFO L82 PathProgramCache]: Analyzing trace with hash 847518535, now seen corresponding path program 1 times [2019-10-22 11:24:34,349 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:34,349 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485941770] [2019-10-22 11:24:34,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:34,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:34,350 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 242 proven. 4 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-10-22 11:24:34,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485941770] [2019-10-22 11:24:34,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452340898] [2019-10-22 11:24:34,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:34,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:34,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-10-22 11:24:34,903 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:34,969 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2019-10-22 11:24:34,969 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:24:34,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2019-10-22 11:24:34,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043169852] [2019-10-22 11:24:34,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:34,972 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:34,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:34,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:34,972 INFO L87 Difference]: Start difference. First operand 2674 states and 3515 transitions. Second operand 3 states. [2019-10-22 11:24:35,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:35,660 INFO L93 Difference]: Finished difference Result 6058 states and 8071 transitions. [2019-10-22 11:24:35,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:35,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2019-10-22 11:24:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:35,673 INFO L225 Difference]: With dead ends: 6058 [2019-10-22 11:24:35,673 INFO L226 Difference]: Without dead ends: 3564 [2019-10-22 11:24:35,676 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 599 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:35,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2019-10-22 11:24:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3386. [2019-10-22 11:24:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-10-22 11:24:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4347 transitions. [2019-10-22 11:24:35,763 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4347 transitions. Word has length 301 [2019-10-22 11:24:35,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:35,766 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 4347 transitions. [2019-10-22 11:24:35,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:35,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4347 transitions. [2019-10-22 11:24:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2019-10-22 11:24:35,773 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:35,773 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:35,974 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:35,975 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:24:35,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:35,975 INFO L82 PathProgramCache]: Analyzing trace with hash -83864839, now seen corresponding path program 1 times [2019-10-22 11:24:35,975 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:35,975 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494048349] [2019-10-22 11:24:35,976 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:35,976 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:35,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 252 proven. 4 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-22 11:24:36,314 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494048349] [2019-10-22 11:24:36,314 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772585661] [2019-10-22 11:24:36,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:36,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 11:24:36,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:24:36,474 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-10-22 11:24:36,474 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:24:36,593 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-10-22 11:24:36,593 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:24:36,594 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 6 [2019-10-22 11:24:36,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265136298] [2019-10-22 11:24:36,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:24:36,595 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:36,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:24:36,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:36,595 INFO L87 Difference]: Start difference. First operand 3386 states and 4347 transitions. Second operand 3 states. [2019-10-22 11:24:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:37,315 INFO L93 Difference]: Finished difference Result 6590 states and 8507 transitions. [2019-10-22 11:24:37,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:24:37,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 321 [2019-10-22 11:24:37,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:37,317 INFO L225 Difference]: With dead ends: 6590 [2019-10-22 11:24:37,317 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:24:37,322 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 639 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:37,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:24:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:24:37,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:24:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:24:37,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 321 [2019-10-22 11:24:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:37,323 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:24:37,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:24:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:24:37,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:24:37,524 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:24:37,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:24:37,604 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-10-22 11:24:37,604 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-10-22 11:24:37,604 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,604 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,604 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,604 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-10-22 11:24:37,605 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 11:24:37,606 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 11:24:37,607 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-10-22 11:24:37,608 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-10-22 11:24:37,608 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-10-22 11:24:37,608 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,614 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-10-22 11:24:37,615 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,616 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-10-22 11:24:37,617 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-10-22 11:24:37,618 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 11:24:37,619 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 11:24:37,620 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-10-22 11:24:37,621 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:24:37,621 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-10-22 11:24:37,621 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-10-22 11:24:37,621 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,622 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,622 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,622 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-10-22 11:24:37,622 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 11:24:37,622 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 11:24:37,622 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 11:24:37,622 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-10-22 11:24:37,623 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-10-22 11:24:37,623 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-10-22 11:24:37,623 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-10-22 11:24:37,623 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,627 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,627 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,627 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 11:24:37,628 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,629 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (or (not (= 6 ~a15~0)) (<= 8 ~a21~0) (<= ~a21~0 6)) [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-10-22 11:24:37,630 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,631 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2019-10-22 11:24:37,632 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-10-22 11:24:37,632 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-10-22 11:24:37,632 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 11:24:37,632 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (or (not (= 6 ~a15~0)) (<= 8 ~a21~0) (<= ~a21~0 6)) [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-10-22 11:24:37,633 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 11:24:37,634 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 11:24:37,635 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-10-22 11:24:37,636 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-10-22 11:24:37,636 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-10-22 11:24:37,636 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,636 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-10-22 11:24:37,637 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 11:24:37,638 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-10-22 11:24:37,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:37 BoogieIcfgContainer [2019-10-22 11:24:37,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:37,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:37,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:37,655 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:37,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:29" (3/4) ... [2019-10-22 11:24:37,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:24:37,687 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:24:37,688 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:24:37,878 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_46317dbb-9322-4cb6-b4e6-456792a62409/bin/utaipan/witness.graphml [2019-10-22 11:24:37,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:37,885 INFO L168 Benchmark]: Toolchain (without parser) took 10390.75 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 470.3 MB). Free memory was 939.2 MB in the beginning and 1.2 GB in the end (delta: -264.9 MB). Peak memory consumption was 205.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:37,886 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:37,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:37,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.50 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:37,886 INFO L168 Benchmark]: Boogie Preprocessor took 67.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:37,887 INFO L168 Benchmark]: RCFGBuilder took 1304.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.8 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:37,887 INFO L168 Benchmark]: TraceAbstraction took 8042.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 323.5 MB). Free memory was 965.8 MB in the beginning and 1.2 GB in the end (delta: -266.1 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:37,887 INFO L168 Benchmark]: Witness Printer took 228.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:37,891 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 654.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.50 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: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1304.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.8 MB in the end (delta: 130.9 MB). Peak memory consumption was 130.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8042.58 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 323.5 MB). Free memory was 965.8 MB in the beginning and 1.2 GB in the end (delta: -266.1 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * Witness Printer took 228.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 880]: Loop Invariant Derived loop invariant: (!(6 == a15) || 8 <= a21) || a21 <= 6 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (!(6 == a15) || 8 <= a21) || a21 <= 6 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 7.9s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 603 SDtfs, 1334 SDslu, 37 SDs, 0 SdLazy, 3379 SolverSat, 1137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1260 GetRequests, 1241 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3386occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 534 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 44 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 420 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 88 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1646 NumberOfCodeBlocks, 1646 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 2259 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456556 SizeOfPredicates, 2 NumberOfNonLiveVariables, 834 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 2415/2423 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...