./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 500cb8735f650eb0e7c33062ddc23c2166b17f19 .............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:29:33,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:29:33,710 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:29:33,718 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:29:33,718 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:29:33,719 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:29:33,720 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:29:33,721 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:29:33,722 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:29:33,723 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:29:33,723 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:29:33,724 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:29:33,724 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:29:33,725 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:29:33,726 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:29:33,727 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:29:33,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:29:33,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:29:33,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:29:33,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:29:33,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:29:33,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:29:33,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:29:33,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:29:33,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:29:33,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:29:33,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:29:33,737 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:29:33,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:29:33,739 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:29:33,739 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:29:33,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:29:33,740 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:29:33,740 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:29:33,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:29:33,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:29:33,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 15:29:33,752 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:29:33,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:29:33,753 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:29:33,753 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:29:33,754 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:29:33,754 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:29:33,754 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:29:33,754 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 15:29:33,754 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:29:33,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:29:33,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:29:33,755 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:29:33,755 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:29:33,755 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 15:29:33,755 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:29:33,755 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:29:33,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:29:33,756 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:29:33,756 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:29:33,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:29:33,756 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:29:33,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:29:33,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:29:33,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:29:33,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:29:33,757 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:29:33,757 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:29:33,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:29:33,757 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 500cb8735f650eb0e7c33062ddc23c2166b17f19 [2018-11-23 15:29:33,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:29:33,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:29:33,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:29:33,794 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:29:33,795 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:29:33,795 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c [2018-11-23 15:29:33,837 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/data/a8c05e366/0689c40c86634982a247ba806a2e7667/FLAG6ecf18260 [2018-11-23 15:29:34,162 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:29:34,162 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi3_true-termination_true-no-overflow.c [2018-11-23 15:29:34,167 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/data/a8c05e366/0689c40c86634982a247ba806a2e7667/FLAG6ecf18260 [2018-11-23 15:29:34,596 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/data/a8c05e366/0689c40c86634982a247ba806a2e7667 [2018-11-23 15:29:34,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:29:34,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:29:34,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:29:34,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:29:34,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:29:34,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7aa622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34, skipping insertion in model container [2018-11-23 15:29:34,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:29:34,622 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:29:34,722 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:29:34,724 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:29:34,734 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:29:34,742 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:29:34,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34 WrapperNode [2018-11-23 15:29:34,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:29:34,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:29:34,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:29:34,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:29:34,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:29:34,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:29:34,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:29:34,762 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:29:34,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:29:34,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:29:34,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:29:34,774 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:29:34,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 15:29:34,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:29:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:29:34,971 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:29:34,971 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 15:29:34,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:34 BoogieIcfgContainer [2018-11-23 15:29:34,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:29:34,972 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:29:34,972 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:29:34,982 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:29:34,982 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:34" (1/1) ... [2018-11-23 15:29:34,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:29:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-23 15:29:35,025 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-23 15:29:35,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 15:29:35,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:29:35,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:35,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2018-11-23 15:29:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2018-11-23 15:29:35,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 15:29:35,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:35,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:29:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-11-23 15:29:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-11-23 15:29:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 15:29:35,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:29:35,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-11-23 15:29:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-11-23 15:29:35,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 15:29:35,451 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:29:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2018-11-23 15:29:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2018-11-23 15:29:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 15:29:35,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:29:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2018-11-23 15:29:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2018-11-23 15:29:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 15:29:36,124 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:29:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:36,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2018-11-23 15:29:36,524 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2018-11-23 15:29:36,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:29:36,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:29:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-11-23 15:29:36,643 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-11-23 15:29:36,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:29:36,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:29:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2018-11-23 15:29:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2018-11-23 15:29:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:29:36,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:29:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2018-11-23 15:29:37,164 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2018-11-23 15:29:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 15:29:37,164 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:29:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2018-11-23 15:29:37,385 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2018-11-23 15:29:37,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 15:29:37,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:29:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-11-23 15:29:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-11-23 15:29:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 15:29:37,488 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 15:29:37,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2018-11-23 15:29:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2018-11-23 15:29:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:29:37,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 15:29:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2018-11-23 15:29:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2018-11-23 15:29:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:29:37,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:37,908 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:29:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2018-11-23 15:29:38,088 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2018-11-23 15:29:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 15:29:38,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:38,176 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 15:29:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:39,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 127 transitions. [2018-11-23 15:29:39,376 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2018-11-23 15:29:39,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:29:39,377 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:39,388 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 15:29:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2018-11-23 15:29:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2018-11-23 15:29:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:29:39,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 15:29:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:39,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 77 states and 131 transitions. [2018-11-23 15:29:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 131 transitions. [2018-11-23 15:29:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:29:39,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:29:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:39,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 76 states and 127 transitions. [2018-11-23 15:29:39,901 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 127 transitions. [2018-11-23 15:29:39,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:29:39,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:39,910 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:29:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:40,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 128 transitions. [2018-11-23 15:29:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 128 transitions. [2018-11-23 15:29:40,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 15:29:40,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:40,034 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:29:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 81 states and 134 transitions. [2018-11-23 15:29:40,435 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2018-11-23 15:29:40,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 15:29:40,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-23 15:29:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 80 states and 132 transitions. [2018-11-23 15:29:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2018-11-23 15:29:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 15:29:40,559 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:40,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 15:29:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2018-11-23 15:29:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2018-11-23 15:29:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 15:29:40,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:40,726 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 15:29:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:40,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 47 transitions. [2018-11-23 15:29:40,817 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2018-11-23 15:29:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 15:29:40,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 15:29:41,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2018-11-23 15:29:41,264 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2018-11-23 15:29:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 15:29:41,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:29:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:29:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-23 15:29:41,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:29:41,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-11-23 15:29:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-11-23 15:29:41,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:29:41,542 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2018-11-23 15:29:41,548 INFO L775 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-11-23 15:29:41,778 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:29:41,780 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 15:29:41,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:29:41 ImpRootNode [2018-11-23 15:29:41,786 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:29:41,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:29:41,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:29:41,787 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:29:41,787 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:29:34" (3/4) ... [2018-11-23 15:29:41,790 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:29:41,797 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 15:29:41,797 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 15:29:41,797 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:29:41,828 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4536bc1-3850-47c5-ba20-b6ba895d08d3/bin-2019/ukojak/witness.graphml [2018-11-23 15:29:41,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:29:41,829 INFO L168 Benchmark]: Toolchain (without parser) took 7230.72 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.0 MB). Free memory was 958.0 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 125.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:41,830 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:29:41,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.61 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:41,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.53 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:41,831 INFO L168 Benchmark]: Boogie Preprocessor took 11.88 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:29:41,832 INFO L168 Benchmark]: RCFGBuilder took 197.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:41,832 INFO L168 Benchmark]: CodeCheck took 6814.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.7 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:29:41,833 INFO L168 Benchmark]: Witness Printer took 41.81 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 969.7 kB). Peak memory consumption was 969.7 kB. Max. memory is 11.5 GB. [2018-11-23 15:29:41,835 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 16 locations, 4 error locations. SAFE Result, 6.5s OverallTime, 26 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 218103808 SDtfs, 236746108 SDslu, 268435456 SDs, 0 SdLazy, 741355378 SolverSat, 190821162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3615 GetRequests, 3150 SyntacticMatches, 219 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29338 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 406 NumberOfCodeBlocks, 406 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 381 ConstructedInterpolants, 0 QuantifiedInterpolants, 18709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 12 PerfectInterpolantSequences, 315/440 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((m < j + 1 && n <= 2147483647) && m <= 2147483647) && 1 <= m) && 0 < i) && i <= 2147483646) || (((((i <= 0 && n <= 2147483647) && m <= 2147483647) && 0 < j) && 1 <= m) && 0 <= i)) || (((((n <= 2147483647 && m <= 2147483647) && 0 < j) && j + 1 <= m) && 0 < i) && i <= 2147483646)) || (((((n <= 2147483647 && m <= 2147483647) && j + 1 <= m) && j <= 0) && 0 <= j) && 0 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.61 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.53 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.88 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 197.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * CodeCheck took 6814.25 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.7 MB). Peak memory consumption was 143.8 MB. Max. memory is 11.5 GB. * Witness Printer took 41.81 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 969.7 kB). Peak memory consumption was 969.7 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...