./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/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 6c09c2a46ed7454ea61f3b2ddb99e3e2ba9fd4da ........................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 02:56:26,006 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 02:56:26,007 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 02:56:26,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 02:56:26,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 02:56:26,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 02:56:26,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 02:56:26,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 02:56:26,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 02:56:26,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 02:56:26,016 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 02:56:26,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 02:56:26,016 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 02:56:26,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 02:56:26,017 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 02:56:26,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 02:56:26,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 02:56:26,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 02:56:26,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 02:56:26,020 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 02:56:26,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 02:56:26,021 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 02:56:26,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 02:56:26,023 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 02:56:26,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 02:56:26,023 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 02:56:26,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 02:56:26,024 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 02:56:26,024 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 02:56:26,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 02:56:26,025 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 02:56:26,025 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 02:56:26,025 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 02:56:26,025 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 02:56:26,026 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 02:56:26,026 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 02:56:26,026 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 02:56:26,033 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 02:56:26,034 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 02:56:26,034 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 02:56:26,034 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 02:56:26,034 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 02:56:26,034 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 02:56:26,035 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 02:56:26,035 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 02:56:26,035 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 02:56:26,036 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 02:56:26,036 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 02:56:26,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 02:56:26,036 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_9cbb30c1-d2ba-44dc-9679-662f9a147072/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 -> 6c09c2a46ed7454ea61f3b2ddb99e3e2ba9fd4da [2018-12-09 02:56:26,053 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 02:56:26,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 02:56:26,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 02:56:26,062 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 02:56:26,062 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 02:56:26,063 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c [2018-12-09 02:56:26,097 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/data/660023ddf/a84f7c833eeb482dbfd063b3b648c54f/FLAG2690b64f3 [2018-12-09 02:56:26,532 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 02:56:26,532 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/sv-benchmarks/c/termination-crafted-lit/BradleyMannaSipma-CAV2005-Fig1_true-termination_true-no-overflow.c [2018-12-09 02:56:26,535 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/data/660023ddf/a84f7c833eeb482dbfd063b3b648c54f/FLAG2690b64f3 [2018-12-09 02:56:26,544 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/data/660023ddf/a84f7c833eeb482dbfd063b3b648c54f [2018-12-09 02:56:26,546 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 02:56:26,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 02:56:26,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 02:56:26,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 02:56:26,549 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 02:56:26,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3033e242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26, skipping insertion in model container [2018-12-09 02:56:26,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 02:56:26,564 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 02:56:26,644 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:56:26,646 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 02:56:26,654 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 02:56:26,661 INFO L195 MainTranslator]: Completed translation [2018-12-09 02:56:26,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26 WrapperNode [2018-12-09 02:56:26,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 02:56:26,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 02:56:26,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 02:56:26,663 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 02:56:26,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 02:56:26,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 02:56:26,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 02:56:26,680 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 02:56:26,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 02:56:26,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 02:56:26,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 02:56:26,690 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 02:56:26,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:56:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/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 [2018-12-09 02:56:26,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 02:56:26,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 02:56:26,836 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 02:56:26,837 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 02:56:26,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:56:26 BoogieIcfgContainer [2018-12-09 02:56:26,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 02:56:26,837 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 02:56:26,837 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 02:56:26,843 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 02:56:26,844 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:56:26" (1/1) ... [2018-12-09 02:56:26,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 02:56:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-09 02:56:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-09 02:56:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 02:56:26,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:26,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:26,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-09 02:56:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-09 02:56:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 02:56:26,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:27,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2018-12-09 02:56:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2018-12-09 02:56:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 02:56:27,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-12-09 02:56:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-09 02:56:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 02:56:27,223 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:27,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:27,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:27,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-12-09 02:56:27,277 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-12-09 02:56:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 02:56:27,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-12-09 02:56:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-12-09 02:56:27,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 02:56:27,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2018-12-09 02:56:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2018-12-09 02:56:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 02:56:27,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:27,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-12-09 02:56:28,177 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-12-09 02:56:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 02:56:28,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:28,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:28,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-12-09 02:56:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-12-09 02:56:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:28,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-12-09 02:56:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-12-09 02:56:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:28,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:29,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2018-12-09 02:56:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2018-12-09 02:56:29,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:29,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2018-12-09 02:56:29,452 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2018-12-09 02:56:29,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:29,453 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:29,520 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:29,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-12-09 02:56:29,858 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-12-09 02:56:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:29,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:29,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2018-12-09 02:56:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2018-12-09 02:56:29,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:29,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2018-12-09 02:56:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2018-12-09 02:56:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:30,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-12-09 02:56:31,001 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-12-09 02:56:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 02:56:31,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:31,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2018-12-09 02:56:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2018-12-09 02:56:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:56:31,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 02:56:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2018-12-09 02:56:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2018-12-09 02:56:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:56:31,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2018-12-09 02:56:31,599 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2018-12-09 02:56:31,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:56:31,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 66 states and 94 transitions. [2018-12-09 02:56:32,315 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2018-12-09 02:56:32,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:56:32,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 02:56:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 88 transitions. [2018-12-09 02:56:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2018-12-09 02:56:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:56:32,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 02:56:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 57 states and 78 transitions. [2018-12-09 02:56:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2018-12-09 02:56:32,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 02:56:32,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 02:56:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 76 transitions. [2018-12-09 02:56:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-09 02:56:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:56:32,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 02:56:33,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2018-12-09 02:56:33,024 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2018-12-09 02:56:33,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 02:56:33,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 02:56:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 02:56:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 02:56:33,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 02:56:33,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-12-09 02:56:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-12-09 02:56:33,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 02:56:33,139 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2018-12-09 02:56:33,144 INFO L779 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2018-12-09 02:56:33,233 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 02:56:33,235 INFO L583 CodeCheckObserver]: Invariant with dag size 34 [2018-12-09 02:56:33,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 02:56:33 ImpRootNode [2018-12-09 02:56:33,241 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 02:56:33,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 02:56:33,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 02:56:33,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 02:56:33,241 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:56:26" (3/4) ... [2018-12-09 02:56:33,244 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 02:56:33,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 02:56:33,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 02:56:33,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 02:56:33,273 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9cbb30c1-d2ba-44dc-9679-662f9a147072/bin-2019/ukojak/witness.graphml [2018-12-09 02:56:33,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 02:56:33,274 INFO L168 Benchmark]: Toolchain (without parser) took 6727.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 954.4 MB in the beginning and 881.2 MB in the end (delta: 73.2 MB). Peak memory consumption was 257.7 MB. Max. memory is 11.5 GB. [2018-12-09 02:56:33,275 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:56:33,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 114.95 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 945.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2018-12-09 02:56:33,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.97 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:56:33,275 INFO L168 Benchmark]: Boogie Preprocessor took 10.24 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:56:33,275 INFO L168 Benchmark]: RCFGBuilder took 147.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:56:33,276 INFO L168 Benchmark]: CodeCheck took 6403.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 887.7 MB in the end (delta: 217.5 MB). Peak memory consumption was 283.0 MB. Max. memory is 11.5 GB. [2018-12-09 02:56:33,276 INFO L168 Benchmark]: Witness Printer took 32.37 ms. Allocated memory is still 1.2 GB. Free memory is still 881.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 02:56:33,277 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, 6.2s OverallTime, 25 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 103057054 SDslu, 0 SDs, 0 SdLazy, 591350298 SolverSat, 110899340 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3079 GetRequests, 2690 SyntacticMatches, 173 SemanticMatches, 216 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23374 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 15122 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 107/239 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((((((2147483647 < y2 && y2 <= y1 + 2147483646) && y1 <= 2147483647) || ((2147483647 < y1 && y1 <= y2 + 2147483646) && y2 <= 2147483647)) || (((1 <= y1 && y1 <= 2147483647) && y2 <= 2147483647) && 1 <= y2)) || (((1 <= y1 && y1 <= 2 * y2 + 2147483645) && 0 <= y2) && y2 < 1)) || (((y2 <= 2147483647 && 0 <= y2) && y1 <= y2 + 2147483647) && y2 + 2147483646 < y1)) || ((y1 <= y2 + 2147483646 && 0 <= y2) && 2 * y2 + 2147483645 < y1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 114.95 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 945.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.97 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.24 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -162.7 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * CodeCheck took 6403.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 887.7 MB in the end (delta: 217.5 MB). Peak memory consumption was 283.0 MB. Max. memory is 11.5 GB. * Witness Printer took 32.37 ms. Allocated memory is still 1.2 GB. Free memory is still 881.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...