./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/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 c8a6493762f89d18a23d3a0b9dc19677bd5f4752 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:13:30,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:30,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:30,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:30,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:30,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:30,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:30,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:30,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:30,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:30,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:30,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:30,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:30,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:30,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:30,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:30,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:30,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:30,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:30,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:30,400 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:30,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:30,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:30,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:30,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:30,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:30,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:30,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:30,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:30,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:30,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:30,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:30,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:30,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:30,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:30,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:30,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:30,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:30,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:30,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:30,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:30,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:30,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:30,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:30,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:30,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:30,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:30,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:30,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:30,432 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:30,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:30,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:30,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:30,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:30,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:30,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:30,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:30,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:30,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:30,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:30,434 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:30,435 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:30,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:30,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:30,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:30,435 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:30,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:30,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:30,436 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:30,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:30,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:30,437 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/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/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 -> c8a6493762f89d18a23d3a0b9dc19677bd5f4752 [2019-10-22 10:13:30,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:30,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:30,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:30,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:30,476 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:30,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-10-22 10:13:30,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/data/12f14b21f/133ecd43b2e241f9bc65aa8faefb621f/FLAGb0fc6dd4f [2019-10-22 10:13:30,917 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:30,917 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-10-22 10:13:30,923 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/data/12f14b21f/133ecd43b2e241f9bc65aa8faefb621f/FLAGb0fc6dd4f [2019-10-22 10:13:30,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/data/12f14b21f/133ecd43b2e241f9bc65aa8faefb621f [2019-10-22 10:13:30,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:30,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:30,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:30,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:30,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:30,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:30" (1/1) ... [2019-10-22 10:13:30,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ff138a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:30, skipping insertion in model container [2019-10-22 10:13:30,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:30" (1/1) ... [2019-10-22 10:13:30,960 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:30,978 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:31,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:31,124 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:31,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:31,203 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:31,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31 WrapperNode [2019-10-22 10:13:31,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:31,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:31,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:31,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:31,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:31,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:31,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:31,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:31,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:31,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:31,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:31,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:31,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/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 [2019-10-22 10:13:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:31,437 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:31,437 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 10:13:31,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:31 BoogieIcfgContainer [2019-10-22 10:13:31,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:31,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:31,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:31,449 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:31,449 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:31" (1/1) ... [2019-10-22 10:13:31,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-10-22 10:13:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-10-22 10:13:31,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:13:31,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2019-10-22 10:13:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2019-10-22 10:13:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:13:31,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2019-10-22 10:13:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2019-10-22 10:13:31,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:13:31,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:32,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2019-10-22 10:13:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2019-10-22 10:13:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:13:32,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2019-10-22 10:13:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-10-22 10:13:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:13:32,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:32,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2019-10-22 10:13:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2019-10-22 10:13:32,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:13:32,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:32,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2019-10-22 10:13:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2019-10-22 10:13:32,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 10:13:32,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2019-10-22 10:13:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2019-10-22 10:13:33,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 10:13:33,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:33,375 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:33,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2019-10-22 10:13:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2019-10-22 10:13:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:13:33,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:33,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:33,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2019-10-22 10:13:33,950 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2019-10-22 10:13:33,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:13:33,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:34,013 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:34,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:34,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2019-10-22 10:13:34,206 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2019-10-22 10:13:34,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:13:34,207 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2019-10-22 10:13:34,213 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:13:34,313 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:34,316 INFO L575 CodeCheckObserver]: Invariant with dag size 31 [2019-10-22 10:13:34,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:34 ImpRootNode [2019-10-22 10:13:34,324 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:34,324 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:34,324 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:34,324 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:34,325 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:31" (3/4) ... [2019-10-22 10:13:34,328 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:13:34,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-10-22 10:13:34,337 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:13:34,394 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3419e448-8881-4b8d-89ee-a68b2ec74136/bin/ukojak/witness.graphml [2019-10-22 10:13:34,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:34,397 INFO L168 Benchmark]: Toolchain (without parser) took 3453.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.2 MB in the beginning and 989.2 MB in the end (delta: -38.0 MB). Peak memory consumption was 100.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:34,397 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:34,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:34,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:34,398 INFO L168 Benchmark]: Boogie Preprocessor took 13.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:34,399 INFO L168 Benchmark]: RCFGBuilder took 191.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:34,399 INFO L168 Benchmark]: CodeCheck took 2884.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 120.5 MB). Peak memory consumption was 120.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:34,400 INFO L168 Benchmark]: Witness Printer took 70.87 ms. Allocated memory is still 1.2 GB. Free memory was 996.1 MB in the beginning and 989.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:34,410 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, 11 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5632 SDtfs, 5116 SDslu, 7160 SDs, 0 SdLazy, 19946 SolverSat, 7674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1433 GetRequests, 1256 SyntacticMatches, 117 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 921 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 17190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/330 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: 52]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((main__x + 71 <= 6 * main__y || main__x + 60 <= 4 * main__y) || main__x + 105 <= 10 * main__y) || main__x + 51 <= main__y) || main__x + 86 <= 8 * main__y) || main__x + 53 <= 2 * main__y * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 191.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2884.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 120.5 MB). Peak memory consumption was 120.5 MB. Max. memory is 11.5 GB. * Witness Printer took 70.87 ms. Allocated memory is still 1.2 GB. Free memory was 996.1 MB in the beginning and 989.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...