./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/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 4c761fb15c9d367876fc9f1553874e9680fa1668 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 22:07:56,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 22:07:56,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 22:07:56,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 22:07:56,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 22:07:56,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 22:07:56,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 22:07:56,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 22:07:56,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 22:07:56,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 22:07:56,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 22:07:56,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 22:07:56,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 22:07:56,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 22:07:56,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 22:07:56,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 22:07:56,250 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 22:07:56,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 22:07:56,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 22:07:56,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 22:07:56,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 22:07:56,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 22:07:56,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 22:07:56,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 22:07:56,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 22:07:56,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 22:07:56,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 22:07:56,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 22:07:56,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 22:07:56,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 22:07:56,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 22:07:56,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 22:07:56,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 22:07:56,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 22:07:56,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 22:07:56,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 22:07:56,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 22:07:56,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 22:07:56,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 22:07:56,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 22:07:56,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 22:07:56,264 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-12-01 22:07:56,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 22:07:56,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 22:07:56,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 22:07:56,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 22:07:56,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 22:07:56,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 22:07:56,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 22:07:56,275 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 22:07:56,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 22:07:56,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 22:07:56,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 22:07:56,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 22:07:56,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 22:07:56,276 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-01 22:07:56,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 22:07:56,276 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 22:07:56,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 22:07:56,277 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 22:07:56,277 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 22:07:56,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 22:07:56,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 22:07:56,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:07:56,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 22:07:56,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 22:07:56,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 22:07:56,278 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 22:07:56,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 22:07:56,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 22:07:56,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/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 -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2019-12-01 22:07:56,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 22:07:56,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 22:07:56,387 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 22:07:56,389 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 22:07:56,389 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 22:07:56,389 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2019-12-01 22:07:56,433 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/data/2428801b1/7741e03eb6c2454ba4034d120fff7d24/FLAG0b30f5953 [2019-12-01 22:07:56,760 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 22:07:56,761 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2019-12-01 22:07:56,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/data/2428801b1/7741e03eb6c2454ba4034d120fff7d24/FLAG0b30f5953 [2019-12-01 22:07:56,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/data/2428801b1/7741e03eb6c2454ba4034d120fff7d24 [2019-12-01 22:07:56,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 22:07:56,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 22:07:56,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 22:07:56,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 22:07:56,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 22:07:56,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e36ea05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56, skipping insertion in model container [2019-12-01 22:07:56,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 22:07:56,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 22:07:56,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:07:56,893 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 22:07:56,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:07:56,945 INFO L208 MainTranslator]: Completed translation [2019-12-01 22:07:56,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56 WrapperNode [2019-12-01 22:07:56,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 22:07:56,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 22:07:56,947 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 22:07:56,947 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 22:07:56,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 22:07:56,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 22:07:56,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 22:07:56,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 22:07:56,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... [2019-12-01 22:07:56,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 22:07:56,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 22:07:56,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 22:07:56,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 22:07:56,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:07:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/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 [2019-12-01 22:07:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 22:07:57,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 22:07:57,141 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 22:07:57,141 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 22:07:57,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:07:57 BoogieIcfgContainer [2019-12-01 22:07:57,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 22:07:57,143 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 22:07:57,143 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 22:07:57,150 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 22:07:57,150 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:07:57" (1/1) ... [2019-12-01 22:07:57,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 22:07:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:57,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2019-12-01 22:07:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2019-12-01 22:07:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 22:07:57,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:57,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2019-12-01 22:07:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-12-01 22:07:57,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 22:07:57,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:57,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2019-12-01 22:07:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-12-01 22:07:57,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 22:07:57,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2019-12-01 22:07:57,486 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2019-12-01 22:07:57,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 22:07:57,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:57,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2019-12-01 22:07:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2019-12-01 22:07:57,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 22:07:57,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:57,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2019-12-01 22:07:57,750 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2019-12-01 22:07:57,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 22:07:57,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:58,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2019-12-01 22:07:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-12-01 22:07:58,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 22:07:58,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2019-12-01 22:07:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2019-12-01 22:07:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 22:07:58,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:59,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:59,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2019-12-01 22:07:59,236 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2019-12-01 22:07:59,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 22:07:59,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:59,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:59,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2019-12-01 22:07:59,630 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2019-12-01 22:07:59,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 22:07:59,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:59,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:07:59,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:07:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2019-12-01 22:07:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2019-12-01 22:07:59,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 22:07:59,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:07:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:07:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:00,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2019-12-01 22:08:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2019-12-01 22:08:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 22:08:00,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:00,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2019-12-01 22:08:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2019-12-01 22:08:00,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 22:08:00,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:00,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:00,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:00,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 57 states and 91 transitions. [2019-12-01 22:08:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 91 transitions. [2019-12-01 22:08:00,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 22:08:00,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:01,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2019-12-01 22:08:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2019-12-01 22:08:01,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 22:08:01,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2019-12-01 22:08:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2019-12-01 22:08:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 22:08:01,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:02,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 70 states and 118 transitions. [2019-12-01 22:08:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 118 transitions. [2019-12-01 22:08:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 22:08:02,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:02,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 72 states and 124 transitions. [2019-12-01 22:08:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 124 transitions. [2019-12-01 22:08:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 22:08:02,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:02,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:02,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 71 states and 121 transitions. [2019-12-01 22:08:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2019-12-01 22:08:02,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 22:08:02,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:03,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:03,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2019-12-01 22:08:03,920 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2019-12-01 22:08:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 22:08:03,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 75 states and 126 transitions. [2019-12-01 22:08:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 126 transitions. [2019-12-01 22:08:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 22:08:04,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 22:08:04,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:04,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 80 states and 133 transitions. [2019-12-01 22:08:04,766 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 133 transitions. [2019-12-01 22:08:04,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 22:08:04,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:04,831 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:08:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:05,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 82 states and 136 transitions. [2019-12-01 22:08:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 136 transitions. [2019-12-01 22:08:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 22:08:05,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 22:08:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 83 states and 136 transitions. [2019-12-01 22:08:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2019-12-01 22:08:05,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 22:08:05,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:05,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 22:08:05,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:05,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 85 states and 138 transitions. [2019-12-01 22:08:05,505 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 138 transitions. [2019-12-01 22:08:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 22:08:05,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:08:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:08:05,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 22:08:05,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:08:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-12-01 22:08:05,819 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-12-01 22:08:05,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 22:08:05,819 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2019-12-01 22:08:05,826 INFO L765 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2019-12-01 22:08:05,906 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:08:05,909 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 22:08:05,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:08:05 ImpRootNode [2019-12-01 22:08:05,913 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 22:08:05,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 22:08:05,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 22:08:05,914 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 22:08:05,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:07:57" (3/4) ... [2019-12-01 22:08:05,916 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 22:08:05,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-01 22:08:05,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 22:08:05,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 22:08:05,959 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_76f8a4bb-1124-4f73-a3f5-044e070f4910/bin/ukojak/witness.graphml [2019-12-01 22:08:05,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 22:08:05,962 INFO L168 Benchmark]: Toolchain (without parser) took 9185.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.4 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -104.7 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:05,962 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:08:05,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:05,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:08:05,963 INFO L168 Benchmark]: Boogie Preprocessor took 11.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:05,964 INFO L168 Benchmark]: RCFGBuilder took 161.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:05,964 INFO L168 Benchmark]: CodeCheck took 8770.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:05,965 INFO L168 Benchmark]: Witness Printer took 46.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2019-12-01 22:08:05,967 INFO L335 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, 23 locations, 8 error locations. Result: SAFE, OverallTime: 8.6s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 55654464 SDtfs, 138413304 SDslu, 55781504 SDs, 0 SdLazy, 797488408 SolverSat, 156350976 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2722 GetRequests, 2383 SyntacticMatches, 107 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25545 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 279 NumberOfCodeBlocks, 279 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 9051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 22 PerfectInterpolantSequences, 35/45 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && y <= 2147483647) && 0 <= x) && 0 <= y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.84 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 161.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 8770.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 102.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 126.7 MB. Max. memory is 11.5 GB. * Witness Printer took 46.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...