./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/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 d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd ....................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:06:35,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:06:35,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:06:35,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:06:35,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:06:35,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:06:35,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:06:35,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:06:35,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:06:35,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:06:35,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:06:35,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:06:35,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:06:35,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:06:35,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:06:35,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:06:35,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:06:35,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:06:35,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:06:35,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:06:35,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:06:35,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:06:35,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:06:35,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:06:35,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:06:35,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:06:35,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:06:35,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:06:35,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:06:35,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:06:35,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:06:35,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:06:35,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:06:35,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:06:35,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:06:35,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:06:35,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:06:35,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:06:35,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:06:35,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:06:35,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:06:35,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:06:35,352 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:06:35,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:06:35,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:06:35,354 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:06:35,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:06:35,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:06:35,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:06:35,355 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:06:35,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:06:35,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:06:35,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:06:35,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:06:35,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:06:35,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:06:35,356 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:06:35,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:06:35,356 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:06:35,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:06:35,357 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:06:35,357 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:06:35,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:06:35,357 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:06:35,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:06:35,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:06:35,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:06:35,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:06:35,358 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:06:35,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:06:35,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:06:35,359 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_fd901305-26ea-4f82-9b18-ac579ea06c85/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 -> d354f5dc1a4e4616bf2c7c7fc4888805a134a8dd [2019-11-26 02:06:35,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:06:35,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:06:35,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:06:35,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:06:35,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:06:35,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2019-11-26 02:06:35,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/data/8e23d597d/6a9e202f039f4f12bea7c8bdeb4c3c95/FLAGfc0c67aa5 [2019-11-26 02:06:35,921 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:06:35,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2019-11-26 02:06:35,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/data/8e23d597d/6a9e202f039f4f12bea7c8bdeb4c3c95/FLAGfc0c67aa5 [2019-11-26 02:06:36,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/data/8e23d597d/6a9e202f039f4f12bea7c8bdeb4c3c95 [2019-11-26 02:06:36,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:06:36,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:06:36,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:06:36,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:06:36,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:06:36,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eff42be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36, skipping insertion in model container [2019-11-26 02:06:36,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:06:36,345 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:06:36,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:06:36,483 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:06:36,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:06:36,565 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:06:36,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36 WrapperNode [2019-11-26 02:06:36,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:06:36,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:06:36,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:06:36,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:06:36,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:06:36,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:06:36,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:06:36,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:06:36,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,609 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:06:36,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:06:36,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:06:36,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:06:36,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:06:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/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 [2019-11-26 02:06:36,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:06:36,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:06:36,677 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-26 02:06:36,678 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-26 02:06:36,855 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:06:36,855 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-26 02:06:36,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:06:36 BoogieIcfgContainer [2019-11-26 02:06:36,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:06:36,857 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:06:36,860 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:06:36,867 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:06:36,868 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:06:36" (1/1) ... [2019-11-26 02:06:36,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:06:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-11-26 02:06:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-11-26 02:06:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:06:36,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:06:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2019-11-26 02:06:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-11-26 02:06:37,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:06:37,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:06:37,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2019-11-26 02:06:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-26 02:06:37,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-26 02:06:37,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:37,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:06:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2019-11-26 02:06:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-11-26 02:06:37,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-26 02:06:37,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-26 02:06:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2019-11-26 02:06:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2019-11-26 02:06:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-26 02:06:37,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-26 02:06:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2019-11-26 02:06:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2019-11-26 02:06:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-26 02:06:38,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-26 02:06:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2019-11-26 02:06:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2019-11-26 02:06:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-26 02:06:38,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-26 02:06:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2019-11-26 02:06:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2019-11-26 02:06:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-26 02:06:38,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-11-26 02:06:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:38,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2019-11-26 02:06:38,793 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2019-11-26 02:06:38,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-26 02:06:38,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-26 02:06:39,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2019-11-26 02:06:39,097 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2019-11-26 02:06:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-26 02:06:39,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-11-26 02:06:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 43 states and 99 transitions. [2019-11-26 02:06:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2019-11-26 02:06:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-26 02:06:39,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:40,495 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-11-26 02:06:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:47,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 77 states and 244 transitions. [2019-11-26 02:06:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 244 transitions. [2019-11-26 02:06:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-26 02:06:47,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:06:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:06:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-11-26 02:06:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:06:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 44 states and 46 transitions. [2019-11-26 02:06:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2019-11-26 02:06:50,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:06:50,105 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2019-11-26 02:06:50,117 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:06:50,312 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2019-11-26 02:06:50,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:06:50 ImpRootNode [2019-11-26 02:06:50,420 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:06:50,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:06:50,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:06:50,421 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:06:50,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:06:36" (3/4) ... [2019-11-26 02:06:50,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:06:50,430 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-26 02:06:50,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-26 02:06:50,436 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:06:50,478 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fd901305-26ea-4f82-9b18-ac579ea06c85/bin/ukojak/witness.graphml [2019-11-26 02:06:50,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:06:50,480 INFO L168 Benchmark]: Toolchain (without parser) took 14161.43 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -274.6 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:06:50,481 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:06:50,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:06:50,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.03 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. [2019-11-26 02:06:50,482 INFO L168 Benchmark]: Boogie Preprocessor took 15.38 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. [2019-11-26 02:06:50,483 INFO L168 Benchmark]: RCFGBuilder took 241.44 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:06:50,483 INFO L168 Benchmark]: CodeCheck took 13563.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 229.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -166.0 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:06:50,484 INFO L168 Benchmark]: Witness Printer took 58.65 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:06:50,487 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 2 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 13.2s, OverallIterations: 13, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28680 SDtfs, 26692 SDslu, 43136 SDs, 0 SdLazy, 125832 SolverSat, 25648 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6846 GetRequests, 6374 SyntacticMatches, 272 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15264 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 504 NumberOfCodeBlocks, 504 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 71424 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 979/1584 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: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.03 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 15.38 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. * RCFGBuilder took 241.44 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * CodeCheck took 13563.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 229.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -166.0 MB). Peak memory consumption was 63.1 MB. Max. memory is 11.5 GB. * Witness Printer took 58.65 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...