./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.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_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c -s /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/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 da926431bbc0b86d3a4186d79a03e568e3df4dd8 ........................................................................................................................................................................................................................................................................ 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 21:43:36,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 21:43:36,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 21:43:36,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 21:43:36,988 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 21:43:36,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 21:43:36,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 21:43:36,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 21:43:36,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 21:43:36,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 21:43:36,993 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 21:43:36,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 21:43:36,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 21:43:36,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 21:43:36,996 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 21:43:36,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 21:43:36,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 21:43:36,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 21:43:36,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 21:43:37,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 21:43:37,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 21:43:37,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 21:43:37,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 21:43:37,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 21:43:37,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 21:43:37,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 21:43:37,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 21:43:37,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 21:43:37,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 21:43:37,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 21:43:37,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 21:43:37,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 21:43:37,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 21:43:37,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 21:43:37,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 21:43:37,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 21:43:37,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 21:43:37,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 21:43:37,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 21:43:37,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 21:43:37,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 21:43:37,011 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 21:43:37,020 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 21:43:37,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 21:43:37,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 21:43:37,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 21:43:37,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 21:43:37,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 21:43:37,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 21:43:37,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 21:43:37,023 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 21:43:37,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 21:43:37,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 21:43:37,023 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 21:43:37,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 21:43:37,023 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 21:43:37,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 21:43:37,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 21:43:37,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 21:43:37,024 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 21:43:37,024 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 21:43:37,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 21:43:37,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 21:43:37,024 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_978a06f4-01e5-4e2b-98e7-f2d747c357f5/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 -> da926431bbc0b86d3a4186d79a03e568e3df4dd8 [2019-12-01 21:43:37,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 21:43:37,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 21:43:37,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 21:43:37,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 21:43:37,137 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 21:43:37,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2019-12-01 21:43:37,177 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/data/ea6f83ee8/07182dbd81ba49a58af314101e49b495/FLAG149ae5438 [2019-12-01 21:43:37,660 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 21:43:37,661 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/sv-benchmarks/c/eca-rers2012/Problem10_label27.c [2019-12-01 21:43:37,669 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/data/ea6f83ee8/07182dbd81ba49a58af314101e49b495/FLAG149ae5438 [2019-12-01 21:43:37,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/data/ea6f83ee8/07182dbd81ba49a58af314101e49b495 [2019-12-01 21:43:37,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 21:43:37,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 21:43:37,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 21:43:37,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 21:43:37,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 21:43:37,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:43:37" (1/1) ... [2019-12-01 21:43:37,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513371a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:37, skipping insertion in model container [2019-12-01 21:43:37,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:43:37" (1/1) ... [2019-12-01 21:43:37,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 21:43:37,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 21:43:37,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:43:38,001 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 21:43:38,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 21:43:38,070 INFO L208 MainTranslator]: Completed translation [2019-12-01 21:43:38,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38 WrapperNode [2019-12-01 21:43:38,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 21:43:38,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 21:43:38,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 21:43:38,071 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 21:43:38,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 21:43:38,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 21:43:38,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 21:43:38,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 21:43:38,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... [2019-12-01 21:43:38,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 21:43:38,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 21:43:38,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 21:43:38,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 21:43:38,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:43:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/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 21:43:38,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 21:43:38,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 21:44:51,331 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 21:44:51,331 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 21:44:51,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:44:51 BoogieIcfgContainer [2019-12-01 21:44:51,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 21:44:51,332 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 21:44:51,332 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 21:44:51,339 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 21:44:51,339 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:44:51" (1/1) ... [2019-12-01 21:44:51,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 21:44:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:51,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 21:44:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 21:44:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 21:44:51,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:51,484 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 21:44:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 21:44:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 21:44:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 21:44:51,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:44:52,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:52,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 21:44:52,112 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 21:44:52,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:44:52,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:44:53,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:44:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2019-12-01 21:44:53,511 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2019-12-01 21:44:53,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:44:53,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:44:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:44:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:45:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2019-12-01 21:45:02,979 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2019-12-01 21:45:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 21:45:02,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:45:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:45:03,184 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 21:45:03,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2019-12-01 21:45:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2019-12-01 21:45:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 21:45:03,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:45:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:45:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:45:04,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:04,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2019-12-01 21:45:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2019-12-01 21:45:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 21:45:04,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:45:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:45:04,646 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 21:45:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2019-12-01 21:45:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2019-12-01 21:45:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 21:45:04,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:45:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:45:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 21:45:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2019-12-01 21:45:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2019-12-01 21:45:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 21:45:06,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 21:45:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 21:45:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 21:45:06,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 21:45:06,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 43 transitions. [2019-12-01 21:45:06,767 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 43 transitions. [2019-12-01 21:45:06,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 21:45:06,767 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2019-12-01 21:45:06,773 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 21:45:06,984 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 21:45:06,992 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2019-12-01 21:45:06,992 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 21:45:06,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:45:06 ImpRootNode [2019-12-01 21:45:06,993 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 21:45:06,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 21:45:06,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 21:45:06,994 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 21:45:06,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:44:51" (3/4) ... [2019-12-01 21:45:06,996 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 21:45:07,014 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-01 21:45:07,016 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 21:45:07,017 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 21:45:07,018 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 21:45:07,112 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_978a06f4-01e5-4e2b-98e7-f2d747c357f5/bin/ukojak/witness.graphml [2019-12-01 21:45:07,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 21:45:07,115 INFO L168 Benchmark]: Toolchain (without parser) took 89432.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 291.0 MB). Free memory was 934.5 MB in the beginning and 969.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 256.0 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,115 INFO L168 Benchmark]: CDTParser took 0.16 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 21:45:07,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Free memory was 934.5 MB in the beginning and 1.0 GB in the end (delta: -113.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,116 INFO L168 Benchmark]: Boogie Preprocessor took 48.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,117 INFO L168 Benchmark]: RCFGBuilder took 73154.32 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -3.2 MB). Peak memory consumption was 331.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,117 INFO L168 Benchmark]: CodeCheck took 15660.79 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.0 GB in the beginning and 991.3 MB in the end (delta: 43.7 MB). Peak memory consumption was 216.1 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,117 INFO L168 Benchmark]: Witness Printer took 119.45 ms. Allocated memory is still 1.3 GB. Free memory was 991.3 MB in the beginning and 969.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-01 21:45:07,119 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: 15.4s, OverallIterations: 10, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3004 SDtfs, 6306 SDslu, 3960 SDs, 0 SdLazy, 18598 SolverSat, 2568 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 57.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1249 GetRequests, 1078 SyntacticMatches, 73 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5239 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 27080 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 32/147 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: 184]: 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: 582]: Loop Invariant Derived loop invariant: ((14 == a4 && a12 == 0) && (!(a10 == 2) || 0 <= a1 + 12)) || ((!(a19 == 7) && 14 == a4) && a12 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a10 == 2) || !(a19 == 7)) || 0 < a1 + 13) && 14 == a4) && a12 == 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 387.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 72.4 MB). Free memory was 934.5 MB in the beginning and 1.0 GB in the end (delta: -113.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 73154.32 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -3.2 MB). Peak memory consumption was 331.1 MB. Max. memory is 11.5 GB. * CodeCheck took 15660.79 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.0 GB in the beginning and 991.3 MB in the end (delta: 43.7 MB). Peak memory consumption was 216.1 MB. Max. memory is 11.5 GB. * Witness Printer took 119.45 ms. Allocated memory is still 1.3 GB. Free memory was 991.3 MB in the beginning and 969.4 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...