./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c -s /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b595fa05a1614340785d09d23c14605d58462277 .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:16:35,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:16:35,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:16:35,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:16:35,122 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:16:35,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:16:35,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:16:35,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:16:35,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:16:35,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:16:35,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:16:35,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:16:35,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:16:35,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:16:35,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:16:35,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:16:35,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:16:35,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:16:35,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:16:35,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:16:35,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:16:35,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:16:35,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:16:35,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:16:35,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:16:35,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:16:35,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:16:35,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:16:35,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:16:35,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:16:35,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:16:35,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:16:35,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:16:35,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:16:35,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:16:35,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:16:35,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:16:35,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:16:35,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:16:35,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:16:35,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:16:35,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:16:35,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:16:35,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:16:35,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:16:35,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:16:35,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:16:35,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:16:35,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:16:35,319 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:16:35,319 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:16:35,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:16:35,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:16:35,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:16:35,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:16:35,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:16:35,323 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:16:35,323 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:16:35,323 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:16:35,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:16:35,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:16:35,324 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:16:35,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:16:35,325 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:16:35,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:16:35,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:16:35,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:16:35,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:16:35,327 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:16:35,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:16:35,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:16:35,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b595fa05a1614340785d09d23c14605d58462277 [2020-12-01 17:16:35,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:16:35,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:16:35,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:16:35,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:16:35,774 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:16:35,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2020-12-01 17:16:35,925 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/data/78b783997/1b17f5f5f0c841d9b6c0f928edf8d281/FLAGf193d652d [2020-12-01 17:16:36,796 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:16:36,796 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/sv-benchmarks/c/eca-rers2012/Problem14_label26.c [2020-12-01 17:16:36,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/data/78b783997/1b17f5f5f0c841d9b6c0f928edf8d281/FLAGf193d652d [2020-12-01 17:16:36,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/data/78b783997/1b17f5f5f0c841d9b6c0f928edf8d281 [2020-12-01 17:16:36,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:16:36,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:16:36,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:36,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:16:36,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:16:36,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:36" (1/1) ... [2020-12-01 17:16:36,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44964979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:36, skipping insertion in model container [2020-12-01 17:16:36,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:16:36" (1/1) ... [2020-12-01 17:16:36,871 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:16:36,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:16:37,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:37,561 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:16:37,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:16:37,872 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:16:37,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37 WrapperNode [2020-12-01 17:16:37,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:16:37,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:37,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:16:37,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:16:37,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:37,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:16:38,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:16:38,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:16:38,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:16:38,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... [2020-12-01 17:16:38,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:16:38,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:16:38,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:16:38,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:16:38,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:16:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/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 [2020-12-01 17:16:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:16:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:16:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:16:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:16:57,361 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:16:57,362 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:16:57,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:57 BoogieIcfgContainer [2020-12-01 17:16:57,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:16:57,366 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:16:57,366 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:16:57,380 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:16:57,381 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:57" (1/1) ... [2020-12-01 17:16:57,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:16:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:57,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:16:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:16:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:16:57,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:57,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:57,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:16:57,919 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:16:57,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:16:57,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:16:58,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:16:59,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:16:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 17:16:59,221 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 17:16:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:16:59,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:16:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:17:02,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:02,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2020-12-01 17:17:02,298 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2020-12-01 17:17:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:17:02,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:04,158 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-12-01 17:17:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:17:04,481 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-01 17:17:04,771 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2020-12-01 17:17:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2020-12-01 17:17:06,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2020-12-01 17:17:06,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:17:06,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:17:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:17:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 17:17:08,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:17:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2020-12-01 17:17:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2020-12-01 17:17:08,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:17:08,289 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 17:17:08,297 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:17:08,421 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2020-12-01 17:17:08,544 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2020-12-01 17:17:08,753 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2020-12-01 17:17:08,753 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:17:08,757 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2020-12-01 17:17:08,765 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2020-12-01 17:17:08,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:17:08 ImpRootNode [2020-12-01 17:17:08,766 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:17:08,767 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:17:08,767 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:17:08,768 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:17:08,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:16:57" (3/4) ... [2020-12-01 17:17:08,771 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:17:08,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2020-12-01 17:17:08,816 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-01 17:17:08,819 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 17:17:08,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:17:09,002 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_485c1f76-0282-4b9f-86f0-83451a04368f/bin/ukojak/witness.graphml [2020-12-01 17:17:09,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:17:09,004 INFO L168 Benchmark]: Toolchain (without parser) took 32153.17 ms. Allocated memory was 88.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 55.4 MB in the beginning and 1.0 GB in the end (delta: -989.2 MB). Peak memory consumption was 290.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:09,004 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 88.1 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:17:09,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1022.54 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 44.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:09,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 201.00 ms. Allocated memory is still 88.1 MB. Free memory was 44.2 MB in the beginning and 34.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:09,006 INFO L168 Benchmark]: Boogie Preprocessor took 180.25 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 34.6 MB in the beginning and 80.7 MB in the end (delta: -46.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:09,006 INFO L168 Benchmark]: RCFGBuilder took 19105.14 ms. Allocated memory was 111.1 MB in the beginning and 723.5 MB in the end (delta: 612.4 MB). Free memory was 80.7 MB in the beginning and 405.6 MB in the end (delta: -325.0 MB). Peak memory consumption was 322.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:09,007 INFO L168 Benchmark]: CodeCheck took 11401.13 ms. Allocated memory was 723.5 MB in the beginning and 1.4 GB in the end (delta: 645.9 MB). Free memory was 405.6 MB in the beginning and 1.1 GB in the end (delta: -660.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:17:09,007 INFO L168 Benchmark]: Witness Printer took 235.57 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:17:09,010 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.8s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 196 SDtfs, 416 SDslu, 264 SDs, 0 SdLazy, 1232 SolverSat, 196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 612 GetRequests, 533 SyntacticMatches, 11 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2273 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 10096 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 36/70 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: 12]: 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: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a21 <= 7 || a15 <= 5) || 9 <= a21) || !(a24 == 1)) || 7 <= a15) || a12 + 43 <= 0) || 11 < a12 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a21 <= 7 || a15 <= 5) || 8 < a21) || !(a24 == 1)) || a12 + 43 <= 0) || 11 < a12) || 6 < a15 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 88.1 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1022.54 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 44.2 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 201.00 ms. Allocated memory is still 88.1 MB. Free memory was 44.2 MB in the beginning and 34.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.25 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 34.6 MB in the beginning and 80.7 MB in the end (delta: -46.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 19105.14 ms. Allocated memory was 111.1 MB in the beginning and 723.5 MB in the end (delta: 612.4 MB). Free memory was 80.7 MB in the beginning and 405.6 MB in the end (delta: -325.0 MB). Peak memory consumption was 322.7 MB. Max. memory is 16.1 GB. * CodeCheck took 11401.13 ms. Allocated memory was 723.5 MB in the beginning and 1.4 GB in the end (delta: 645.9 MB). Free memory was 405.6 MB in the beginning and 1.1 GB in the end (delta: -660.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 235.57 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...