./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/terminator_02_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/terminator_02_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77773b6d98c13684866533d0b64942a0b1025f7d .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 08:08:06,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:08:06,803 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:08:06,810 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:08:06,810 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:08:06,811 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:08:06,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:08:06,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:08:06,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:08:06,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:08:06,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:08:06,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:08:06,817 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:08:06,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:08:06,818 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:08:06,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:08:06,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:08:06,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:08:06,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:08:06,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:08:06,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:08:06,824 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:08:06,825 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:08:06,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:08:06,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:08:06,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:08:06,827 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:08:06,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:08:06,828 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:08:06,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:08:06,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:08:06,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:08:06,830 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:08:06,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:08:06,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:08:06,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:08:06,831 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 08:08:06,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:08:06,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:08:06,843 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:08:06,844 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 08:08:06,844 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 08:08:06,844 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 08:08:06,844 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 08:08:06,844 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 08:08:06,844 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 08:08:06,844 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 08:08:06,845 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 08:08:06,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:08:06,845 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:08:06,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:08:06,846 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:08:06,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:08:06,847 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:08:06,847 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:08:06,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:08:06,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:08:06,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:08:06,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:08:06,848 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:08:06,848 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 08:08:06,848 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:08:06,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:08:06,848 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 08:08:06,848 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77773b6d98c13684866533d0b64942a0b1025f7d [2018-11-10 08:08:06,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:08:06,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:08:06,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:08:06,891 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:08:06,891 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:08:06,892 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/../../sv-benchmarks/c/loops/terminator_02_true-unreach-call_true-termination.i [2018-11-10 08:08:06,944 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/data/c57f18a14/a8c8c42a9dee4eb2a58680dbcc7f359c/FLAG3c24cb738 [2018-11-10 08:08:07,291 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:08:07,292 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/sv-benchmarks/c/loops/terminator_02_true-unreach-call_true-termination.i [2018-11-10 08:08:07,297 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/data/c57f18a14/a8c8c42a9dee4eb2a58680dbcc7f359c/FLAG3c24cb738 [2018-11-10 08:08:07,307 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/data/c57f18a14/a8c8c42a9dee4eb2a58680dbcc7f359c [2018-11-10 08:08:07,310 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:08:07,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:08:07,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:08:07,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:08:07,315 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:08:07,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba002d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07, skipping insertion in model container [2018-11-10 08:08:07,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:08:07,345 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:08:07,485 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:08:07,487 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:08:07,499 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:08:07,508 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:08:07,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07 WrapperNode [2018-11-10 08:08:07,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:08:07,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:08:07,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:08:07,510 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:08:07,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:08:07,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:08:07,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:08:07,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:08:07,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... [2018-11-10 08:08:07,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:08:07,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:08:07,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:08:07,540 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:08:07,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:08:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:08:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:08:07,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:08:07,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:08:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:08:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:08:07,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 08:08:07,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 08:08:07,741 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:08:07,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:08:07 BoogieIcfgContainer [2018-11-10 08:08:07,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:08:07,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:08:07,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:08:07,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:08:07,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:08:07" (1/3) ... [2018-11-10 08:08:07,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214ed67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:08:07, skipping insertion in model container [2018-11-10 08:08:07,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:08:07" (2/3) ... [2018-11-10 08:08:07,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214ed67d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:08:07, skipping insertion in model container [2018-11-10 08:08:07,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:08:07" (3/3) ... [2018-11-10 08:08:07,746 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02_true-unreach-call_true-termination.i [2018-11-10 08:08:07,753 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:08:07,757 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:08:07,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:08:07,791 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:08:07,791 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:08:07,791 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:08:07,791 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:08:07,791 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:08:07,791 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:08:07,792 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:08:07,792 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:08:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-10 08:08:07,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 08:08:07,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:08:07,810 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:08:07,811 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:08:07,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:08:07,815 INFO L82 PathProgramCache]: Analyzing trace with hash -60552007, now seen corresponding path program 1 times [2018-11-10 08:08:07,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:08:07,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:08:07,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:08:07,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:08:07,851 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:08:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:08:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:08:07,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:08:07,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 08:08:07,897 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:08:07,900 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 08:08:07,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 08:08:07,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 08:08:07,911 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2018-11-10 08:08:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:08:07,932 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2018-11-10 08:08:07,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 08:08:07,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-10 08:08:07,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:08:07,939 INFO L225 Difference]: With dead ends: 36 [2018-11-10 08:08:07,939 INFO L226 Difference]: Without dead ends: 17 [2018-11-10 08:08:07,942 INFO L605 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 [2018-11-10 08:08:07,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-10 08:08:07,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-10 08:08:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-10 08:08:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-11-10 08:08:07,968 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-11-10 08:08:07,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:08:07,968 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-11-10 08:08:07,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 08:08:07,968 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-10 08:08:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 08:08:07,969 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:08:07,969 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:08:07,969 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:08:07,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:08:07,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1989785303, now seen corresponding path program 1 times [2018-11-10 08:08:07,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:08:07,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:08:07,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:08:07,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:08:07,971 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:08:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:08:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:08:08,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:08:08,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 08:08:08,041 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:08:08,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 08:08:08,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 08:08:08,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 08:08:08,043 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 6 states. [2018-11-10 08:08:08,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:08:08,115 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-11-10 08:08:08,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 08:08:08,115 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-10 08:08:08,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:08:08,116 INFO L225 Difference]: With dead ends: 24 [2018-11-10 08:08:08,116 INFO L226 Difference]: Without dead ends: 19 [2018-11-10 08:08:08,117 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-10 08:08:08,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-11-10 08:08:08,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-11-10 08:08:08,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-10 08:08:08,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-11-10 08:08:08,122 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2018-11-10 08:08:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:08:08,122 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-11-10 08:08:08,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 08:08:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-10 08:08:08,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 08:08:08,123 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:08:08,123 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 08:08:08,124 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:08:08,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:08:08,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1751989068, now seen corresponding path program 1 times [2018-11-10 08:08:08,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:08:08,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:08:08,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:08:08,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:08:08,125 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:08:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:08:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 08:08:08,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:08:08,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 08:08:08,210 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:08:08,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 08:08:08,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 08:08:08,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 08:08:08,211 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 7 states. [2018-11-10 08:08:08,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:08:08,273 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2018-11-10 08:08:08,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 08:08:08,273 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-11-10 08:08:08,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:08:08,274 INFO L225 Difference]: With dead ends: 22 [2018-11-10 08:08:08,274 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:08:08,275 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 08:08:08,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:08:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:08:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:08:08,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:08:08,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-10 08:08:08,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:08:08,276 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:08:08,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 08:08:08,276 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:08:08,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:08:08,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:08:08,317 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 08:08:08,317 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:08:08,317 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:08:08,317 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 08:08:08,317 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 35) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point L21-1(lines 21 30) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L421 ceAbstractionStarter]: At program point L21-3(lines 21 30) the Hoare annotation is: (or (and (< 100 main_~z~0) (< 99 main_~x~0)) (and (<= main_~x~0 98) (<= main_~z~0 100))) [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 35) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point L32(line 32) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 35) the Hoare annotation is: true [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L421 ceAbstractionStarter]: At program point L24-2(lines 21 30) the Hoare annotation is: (or (< 100 main_~z~0) (<= main_~x~0 98)) [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2018-11-10 08:08:08,318 INFO L425 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-10 08:08:08,319 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-10 08:08:08,319 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-10 08:08:08,319 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-10 08:08:08,319 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-10 08:08:08,319 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-10 08:08:08,319 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-10 08:08:08,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:08:08 BoogieIcfgContainer [2018-11-10 08:08:08,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:08:08,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:08:08,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:08:08,329 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:08:08,329 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:08:07" (3/4) ... [2018-11-10 08:08:08,332 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:08:08,337 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:08:08,338 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:08:08,338 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 08:08:08,342 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-10 08:08:08,342 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-10 08:08:08,342 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 08:08:08,378 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29ede5cd-75b1-47f4-81b8-d94e432e4490/bin-2019/utaipan/witness.graphml [2018-11-10 08:08:08,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:08:08,378 INFO L168 Benchmark]: Toolchain (without parser) took 1068.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -158.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:08:08,379 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:08:08,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 197.44 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 942.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:08:08,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:08:08,380 INFO L168 Benchmark]: Boogie Preprocessor took 15.32 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:08:08,380 INFO L168 Benchmark]: RCFGBuilder took 201.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -231.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 08:08:08,381 INFO L168 Benchmark]: TraceAbstraction took 586.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2018-11-10 08:08:08,381 INFO L168 Benchmark]: Witness Printer took 49.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:08:08,384 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 197.44 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 942.4 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.32 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 201.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 939.7 MB in the beginning and 1.2 GB in the end (delta: -231.5 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 586.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 21]: Loop Invariant Derived loop invariant: 100 < z || x <= 98 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 SDtfs, 10 SDslu, 86 SDs, 0 SdLazy, 67 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 27 HoareAnnotationTreeSize, 9 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 1026 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...