./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test26-1.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_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test26-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/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 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d ............................................................................................................................................................................................................. 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 05:06:19,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 05:06:19,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 05:06:19,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 05:06:19,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 05:06:19,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 05:06:19,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 05:06:19,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 05:06:19,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 05:06:19,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 05:06:19,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 05:06:19,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 05:06:19,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 05:06:19,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 05:06:19,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 05:06:19,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 05:06:19,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 05:06:19,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 05:06:19,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 05:06:19,200 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 05:06:19,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 05:06:19,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 05:06:19,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 05:06:19,204 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 05:06:19,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 05:06:19,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 05:06:19,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 05:06:19,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 05:06:19,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 05:06:19,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 05:06:19,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 05:06:19,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 05:06:19,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 05:06:19,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 05:06:19,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 05:06:19,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 05:06:19,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 05:06:19,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 05:06:19,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 05:06:19,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 05:06:19,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 05:06:19,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 05:06:19,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 05:06:19,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 05:06:19,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 05:06:19,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 05:06:19,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 05:06:19,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 05:06:19,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 05:06:19,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 05:06:19,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 05:06:19,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 05:06:19,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 05:06:19,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 05:06:19,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 05:06:19,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 05:06:19,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 05:06:19,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 05:06:19,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 05:06:19,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 05:06:19,224 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 05:06:19,224 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 05:06:19,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 05:06:19,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 05:06:19,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:06:19,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 05:06:19,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 05:06:19,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 05:06:19,225 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 05:06:19,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 05:06:19,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 05:06:19,225 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_086cd46f-92a2-43c1-ba02-1d7d179c46f5/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 -> 0241b4e27eeca1767f68b7bd93a5fe7104b62d9d [2019-12-02 05:06:19,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 05:06:19,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 05:06:19,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 05:06:19,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 05:06:19,337 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 05:06:19,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test26-1.c [2019-12-02 05:06:19,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/data/011f32441/a172a54da5fa4fbf8c37d909dce0fe75/FLAG151279159 [2019-12-02 05:06:19,705 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 05:06:19,706 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/sv-benchmarks/c/ldv-regression/test26-1.c [2019-12-02 05:06:19,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/data/011f32441/a172a54da5fa4fbf8c37d909dce0fe75/FLAG151279159 [2019-12-02 05:06:20,145 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/data/011f32441/a172a54da5fa4fbf8c37d909dce0fe75 [2019-12-02 05:06:20,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 05:06:20,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 05:06:20,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 05:06:20,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 05:06:20,152 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 05:06:20,153 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cc694b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20, skipping insertion in model container [2019-12-02 05:06:20,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 05:06:20,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 05:06:20,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:06:20,285 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 05:06:20,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:06:20,343 INFO L208 MainTranslator]: Completed translation [2019-12-02 05:06:20,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20 WrapperNode [2019-12-02 05:06:20,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 05:06:20,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 05:06:20,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 05:06:20,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 05:06:20,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 05:06:20,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 05:06:20,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 05:06:20,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 05:06:20,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 05:06:20,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 05:06:20,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 05:06:20,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 05:06:20,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:06:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/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 05:06:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 05:06:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 05:06:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 05:06:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 05:06:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-02 05:06:20,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 05:06:20,574 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 05:06:20,574 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-02 05:06:20,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:06:20 BoogieIcfgContainer [2019-12-02 05:06:20,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 05:06:20,575 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 05:06:20,575 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 05:06:20,582 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 05:06:20,582 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:06:20" (1/1) ... [2019-12-02 05:06:20,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 05:06:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:06:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-12-02 05:06:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-12-02 05:06:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 05:06:20,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:06:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:06:20,738 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 05:06:20,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:06:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2019-12-02 05:06:20,756 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2019-12-02 05:06:20,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 05:06:20,756 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2019-12-02 05:06:20,762 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 05:06:20,767 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 05:06:20,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:06:20 ImpRootNode [2019-12-02 05:06:20,770 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 05:06:20,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 05:06:20,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 05:06:20,771 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 05:06:20,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:06:20" (3/4) ... [2019-12-02 05:06:20,773 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 05:06:20,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-02 05:06:20,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-02 05:06:20,780 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 05:06:20,807 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_086cd46f-92a2-43c1-ba02-1d7d179c46f5/bin/ukojak/witness.graphml [2019-12-02 05:06:20,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 05:06:20,809 INFO L168 Benchmark]: Toolchain (without parser) took 659.51 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -104.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:06:20,809 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:06:20,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-02 05:06:20,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.45 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. [2019-12-02 05:06:20,810 INFO L168 Benchmark]: Boogie Preprocessor took 13.39 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-02 05:06:20,811 INFO L168 Benchmark]: RCFGBuilder took 188.47 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-12-02 05:06:20,812 INFO L168 Benchmark]: CodeCheck took 195.30 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-02 05:06:20,812 INFO L168 Benchmark]: Witness Printer took 36.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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. [2019-12-02 05:06:20,815 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, 6 locations, 1 error locations. Result: SAFE, OverallTime: 0.1s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 24]: 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: 12]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 194.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -152.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.45 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 13.39 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.47 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 195.30 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 36.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 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. RESULT: Ultimate proved your program to be correct! Received shutdown request...