./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4c182367b65c6b1e0e799235f4eaa75d3c91be5a .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 01:11:05,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:11:05,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:11:05,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:11:05,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:11:05,990 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:11:05,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:11:05,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:11:05,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:11:05,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:11:05,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:11:05,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:11:05,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:11:05,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:11:05,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:11:05,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:11:05,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:11:06,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:11:06,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:11:06,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:11:06,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:11:06,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:11:06,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:11:06,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:11:06,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:11:06,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:11:06,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:11:06,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:11:06,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:11:06,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:11:06,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:11:06,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:11:06,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:11:06,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:11:06,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:11:06,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:11:06,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:11:06,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:11:06,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:11:06,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:11:06,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:11:06,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 01:11:06,024 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:11:06,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:11:06,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:11:06,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:11:06,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:11:06,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:11:06,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:11:06,025 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 01:11:06,025 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:11:06,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:11:06,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:11:06,026 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:11:06,027 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:11:06,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:11:06,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:11:06,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:11:06,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:11:06,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:11:06,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:11:06,028 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:11:06,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:11:06,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:11:06,028 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_191c343d-a2bd-42a5-af2d-1365704bf1e9/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c182367b65c6b1e0e799235f4eaa75d3c91be5a [2019-12-02 01:11:06,129 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:11:06,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:11:06,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:11:06,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:11:06,144 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:11:06,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2019-12-02 01:11:06,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/data/61ad2a14d/deb450745045436d98805f8df8ca0f80/FLAG6c8452492 [2019-12-02 01:11:06,617 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:11:06,617 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2019-12-02 01:11:06,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/data/61ad2a14d/deb450745045436d98805f8df8ca0f80/FLAG6c8452492 [2019-12-02 01:11:06,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/data/61ad2a14d/deb450745045436d98805f8df8ca0f80 [2019-12-02 01:11:06,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:11:06,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:11:06,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:11:06,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:11:06,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:11:06,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:06" (1/1) ... [2019-12-02 01:11:06,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0e63b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:06, skipping insertion in model container [2019-12-02 01:11:06,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:11:06" (1/1) ... [2019-12-02 01:11:07,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:11:07,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:11:07,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:11:07,346 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:11:07,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:11:07,424 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:11:07,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07 WrapperNode [2019-12-02 01:11:07,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:11:07,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:11:07,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:11:07,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:11:07,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:11:07,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:11:07,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:11:07,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:11:07,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... [2019-12-02 01:11:07,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:11:07,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:11:07,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:11:07,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:11:07,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:11:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/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 [2019-12-02 01:11:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:11:07,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:16:43,711 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:16:43,711 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 01:16:43,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:43 BoogieIcfgContainer [2019-12-02 01:16:43,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:16:43,713 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:16:43,713 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:16:43,720 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:16:43,720 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:43" (1/1) ... [2019-12-02 01:16:43,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:16:43,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-02 01:16:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-02 01:16:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 01:16:43,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:43,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:43,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-02 01:16:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-02 01:16:43,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 01:16:43,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2019-12-02 01:16:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2019-12-02 01:16:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:16:44,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:55,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2019-12-02 01:16:55,938 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2019-12-02 01:16:55,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:16:55,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:56,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:56,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2019-12-02 01:16:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-12-02 01:16:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:16:56,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:16:58,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:16:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2019-12-02 01:16:58,724 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2019-12-02 01:16:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:16:58,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:16:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:16:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2019-12-02 01:17:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2019-12-02 01:17:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 01:17:11,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:13,633 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-12-02 01:17:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2019-12-02 01:17:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2019-12-02 01:17:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 01:17:13,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:17:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:17:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:17:14,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:17:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 78 transitions. [2019-12-02 01:17:14,904 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2019-12-02 01:17:14,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:17:14,905 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2019-12-02 01:17:14,911 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 01:17:15,200 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-12-02 01:17:15,208 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2019-12-02 01:17:15,209 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 01:17:15,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:17:15 ImpRootNode [2019-12-02 01:17:15,209 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:17:15,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:17:15,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:17:15,210 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:17:15,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:16:43" (3/4) ... [2019-12-02 01:17:15,212 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:17:15,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 216 nodes and edges [2019-12-02 01:17:15,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-02 01:17:15,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-02 01:17:15,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 01:17:15,341 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_191c343d-a2bd-42a5-af2d-1365704bf1e9/bin/ukojak/witness.graphml [2019-12-02 01:17:15,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:17:15,343 INFO L168 Benchmark]: Toolchain (without parser) took 368369.89 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 513.8 MB). Free memory was 934.0 MB in the beginning and 926.2 MB in the end (delta: 7.8 MB). Peak memory consumption was 521.6 MB. Max. memory is 11.5 GB. [2019-12-02 01:17:15,343 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:17:15,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-02 01:17:15,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.39 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:17:15,345 INFO L168 Benchmark]: Boogie Preprocessor took 57.22 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 01:17:15,345 INFO L168 Benchmark]: RCFGBuilder took 336164.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 39.8 MB). Free memory was 1.1 GB in the beginning and 870.0 MB in the end (delta: 180.9 MB). Peak memory consumption was 344.4 MB. Max. memory is 11.5 GB. [2019-12-02 01:17:15,346 INFO L168 Benchmark]: CodeCheck took 31496.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 870.0 MB in the beginning and 955.4 MB in the end (delta: -85.4 MB). Peak memory consumption was 288.9 MB. Max. memory is 11.5 GB. [2019-12-02 01:17:15,346 INFO L168 Benchmark]: Witness Printer took 132.33 ms. Allocated memory is still 1.5 GB. Free memory was 955.4 MB in the beginning and 926.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-12-02 01:17:15,348 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 31.1s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1584 SDtfs, 3102 SDslu, 2144 SDs, 0 SdLazy, 9118 SolverSat, 1768 SolverUnsat, 72 SolverUnknown, 0 SolverNotchecked, 98.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1172 GetRequests, 1003 SyntacticMatches, 61 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7362 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 35780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/137 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: 190]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((a15 == 7 || a15 == 8) || a21 == 10) || a15 == 5) || a21 == 8) || a21 == 7) || a15 == 9) || 0 < a12 + 43) || a21 == 9 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((((a15 == 7 || a15 == 8) || 0 <= a12 + 42) || a15 == 5) || a21 == 10) || a21 == 8) || a21 == 7) || a15 == 9) || a21 == 9 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 447.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.39 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.22 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336164.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 39.8 MB). Free memory was 1.1 GB in the beginning and 870.0 MB in the end (delta: 180.9 MB). Peak memory consumption was 344.4 MB. Max. memory is 11.5 GB. * CodeCheck took 31496.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 374.3 MB). Free memory was 870.0 MB in the beginning and 955.4 MB in the end (delta: -85.4 MB). Peak memory consumption was 288.9 MB. Max. memory is 11.5 GB. * Witness Printer took 132.33 ms. Allocated memory is still 1.5 GB. Free memory was 955.4 MB in the beginning and 926.2 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...