./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.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_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/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 a5075b92abebcbe37fcff17adbe2d1154240de3f ................................................................................................................................................................................................................................................... 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 01:34:17,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:34:17,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:34:17,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:34:17,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:34:17,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:34:17,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:34:17,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:34:17,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:34:17,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:34:17,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:34:17,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:34:17,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:34:17,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:34:17,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:34:17,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:34:17,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:34:17,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:34:17,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:34:17,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:34:17,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:34:17,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:34:17,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:34:17,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:34:17,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:34:17,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:34:17,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:34:17,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:34:17,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:34:17,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:34:17,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:34:17,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:34:17,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:34:17,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:34:17,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:34:17,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:34:17,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:34:17,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:34:17,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:34:17,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:34:17,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:34:17,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 01:34:17,182 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:34:17,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:34:17,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 01:34:17,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 01:34:17,183 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:34:17,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:34:17,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:34:17,184 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 01:34:17,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:34:17,184 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 01:34:17,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:34:17,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 01:34:17,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:34:17,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 01:34:17,185 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 01:34:17,185 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 01:34:17,185 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:34:17,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 01:34:17,186 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:34:17,186 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:34:17,186 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:34:17,186 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:34:17,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:34:17,187 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:34:17,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:34:17,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 01:34:17,187 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:34:17,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:34:17,188 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 01:34:17,188 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_8c7f0dc5-6b55-4101-9473-c4776a9e6306/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 -> a5075b92abebcbe37fcff17adbe2d1154240de3f [2019-12-02 01:34:17,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:34:17,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:34:17,310 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:34:17,311 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:34:17,311 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:34:17,312 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2019-12-02 01:34:17,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/data/e21113de2/a70483d17a9b4f84a7c8488cee4cbb8e/FLAGf90072a96 [2019-12-02 01:34:17,754 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:34:17,754 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2019-12-02 01:34:17,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/data/e21113de2/a70483d17a9b4f84a7c8488cee4cbb8e/FLAGf90072a96 [2019-12-02 01:34:17,772 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/data/e21113de2/a70483d17a9b4f84a7c8488cee4cbb8e [2019-12-02 01:34:17,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:34:17,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:34:17,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:34:17,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:34:17,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:34:17,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:17" (1/1) ... [2019-12-02 01:34:17,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b5972f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:17, skipping insertion in model container [2019-12-02 01:34:17,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:34:17" (1/1) ... [2019-12-02 01:34:17,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:34:17,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:34:18,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:34:18,081 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:34:18,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:34:18,167 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:34:18,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18 WrapperNode [2019-12-02 01:34:18,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:34:18,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:34:18,168 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:34:18,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:34:18,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,193 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:34:18,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:34:18,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:34:18,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:34:18,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... [2019-12-02 01:34:18,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:34:18,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:34:18,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:34:18,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:34:18,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:34:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/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 01:34:18,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:34:18,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:35:09,800 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:35:09,800 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-02 01:35:09,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:09 BoogieIcfgContainer [2019-12-02 01:35:09,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:35:09,801 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:35:09,801 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:35:09,808 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:35:09,808 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:09" (1/1) ... [2019-12-02 01:35:09,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:35:09,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:35:09,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-02 01:35:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-02 01:35:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 01:35:09,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:35:09,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:35:09,954 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 01:35:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:35:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-02 01:35:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-02 01:35:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 01:35:10,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:35:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:35:10,311 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 01:35:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:35:10,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2019-12-02 01:35:10,512 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2019-12-02 01:35:10,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:35:10,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:35:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:35:11,058 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 01:35:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:35:11,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2019-12-02 01:35:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-12-02 01:35:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 01:35:11,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:35:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:35:11,985 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 01:35:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:35:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2019-12-02 01:35:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2019-12-02 01:35:12,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:35:12,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:35:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:35:12,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:35:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:35:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2019-12-02 01:35:23,554 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2019-12-02 01:35:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 01:35:23,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:35:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:35:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 01:35:23,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:35:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2019-12-02 01:35:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2019-12-02 01:35:23,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:35:23,887 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2019-12-02 01:35:23,893 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 01:35:24,086 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-12-02 01:35:24,094 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2019-12-02 01:35:24,095 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 01:35:24,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:35:24 ImpRootNode [2019-12-02 01:35:24,095 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:35:24,096 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:35:24,096 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:35:24,096 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:35:24,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:09" (3/4) ... [2019-12-02 01:35:24,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:35:24,116 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-02 01:35:24,117 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-02 01:35:24,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-02 01:35:24,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 01:35:24,205 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8c7f0dc5-6b55-4101-9473-c4776a9e6306/bin/ukojak/witness.graphml [2019-12-02 01:35:24,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:35:24,206 INFO L168 Benchmark]: Toolchain (without parser) took 66430.95 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 287.3 MB). Free memory was 932.7 MB in the beginning and 930.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 289.5 MB. Max. memory is 11.5 GB. [2019-12-02 01:35:24,206 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:35:24,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -119.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-02 01:35:24,207 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.86 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:35:24,207 INFO L168 Benchmark]: Boogie Preprocessor took 67.24 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. [2019-12-02 01:35:24,207 INFO L168 Benchmark]: RCFGBuilder took 51491.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 101.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -54.6 MB). Peak memory consumption was 326.3 MB. Max. memory is 11.5 GB. [2019-12-02 01:35:24,208 INFO L168 Benchmark]: CodeCheck took 14294.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 106.4 MB). Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 139.2 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. [2019-12-02 01:35:24,208 INFO L168 Benchmark]: Witness Printer took 109.35 ms. Allocated memory is still 1.3 GB. Free memory was 951.9 MB in the beginning and 930.5 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2019-12-02 01:35:24,209 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: 14.0s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 408 SDtfs, 856 SDslu, 560 SDs, 0 SdLazy, 2388 SolverSat, 384 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 21.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 717 GetRequests, 607 SyntacticMatches, 34 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3085 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 13908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 36/65 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: 157]: 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: ((!(a19 == 7) || !(a10 == 4)) && 14 == a4) && a12 == 0 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((0 < a1 + 13 || !(a10 == 1)) && 14 == a4) && a12 == 0) && ((38 < a1 && a1 <= 218) || !(a10 == 4))) || ((!(a19 == 7) && 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 79.7 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -119.9 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.86 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.24 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 51491.88 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 101.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -54.6 MB). Peak memory consumption was 326.3 MB. Max. memory is 11.5 GB. * CodeCheck took 14294.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 106.4 MB). Free memory was 1.1 GB in the beginning and 951.9 MB in the end (delta: 139.2 MB). Peak memory consumption was 245.6 MB. Max. memory is 11.5 GB. * Witness Printer took 109.35 ms. Allocated memory is still 1.3 GB. Free memory was 951.9 MB in the beginning and 930.5 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...