./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum04_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/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 aeade23d65797ff650f62ff8e383f015764d9ed2 .......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:32:21,245 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:32:21,246 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:32:21,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:32:21,253 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:32:21,254 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:32:21,254 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:32:21,256 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:32:21,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:32:21,257 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:32:21,258 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:32:21,258 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:32:21,259 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:32:21,259 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:32:21,260 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:32:21,260 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:32:21,261 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:32:21,262 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:32:21,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:32:21,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:32:21,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:32:21,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:32:21,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:32:21,268 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:32:21,268 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:32:21,269 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:32:21,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:32:21,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:32:21,270 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:32:21,270 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:32:21,271 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:32:21,271 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:32:21,271 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:32:21,271 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:32:21,272 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:32:21,272 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:32:21,272 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:32:21,282 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:32:21,282 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:32:21,283 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:32:21,283 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:32:21,283 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:32:21,283 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:32:21,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:32:21,283 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:32:21,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:32:21,284 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:32:21,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:32:21,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:32:21,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:32:21,284 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:32:21,284 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:32:21,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:32:21,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:32:21,285 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:32:21,285 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:32:21,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:32:21,285 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:32:21,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:32:21,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:32:21,286 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:32:21,286 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:32:21,286 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:32:21,286 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:32:21,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:32:21,287 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/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 -> aeade23d65797ff650f62ff8e383f015764d9ed2 [2018-11-10 12:32:21,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:32:21,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:32:21,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:32:21,324 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:32:21,325 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:32:21,326 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum04_false-unreach-call_true-termination.i [2018-11-10 12:32:21,375 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/data/b0eb34249/d81a3d9ea3b34970a0c90cbf9f13b9e4/FLAG06868d045 [2018-11-10 12:32:21,785 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:32:21,785 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/sv-benchmarks/c/loops/sum04_false-unreach-call_true-termination.i [2018-11-10 12:32:21,791 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/data/b0eb34249/d81a3d9ea3b34970a0c90cbf9f13b9e4/FLAG06868d045 [2018-11-10 12:32:21,803 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/data/b0eb34249/d81a3d9ea3b34970a0c90cbf9f13b9e4 [2018-11-10 12:32:21,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:32:21,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:32:21,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:32:21,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:32:21,811 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:32:21,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:21,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21, skipping insertion in model container [2018-11-10 12:32:21,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:21,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:32:21,839 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:32:21,960 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:32:21,963 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:32:21,972 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:32:21,982 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:32:21,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21 WrapperNode [2018-11-10 12:32:21,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:32:21,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:32:21,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:32:21,983 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:32:21,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:21,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,001 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:32:22,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:32:22,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:32:22,002 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:32:22,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... [2018-11-10 12:32:22,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:32:22,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:32:22,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:32:22,013 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:32:22,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:32:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/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 [2018-11-10 12:32:22,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:32:22,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:32:22,202 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:32:22,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:32:22 BoogieIcfgContainer [2018-11-10 12:32:22,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:32:22,203 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:32:22,203 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:32:22,209 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:32:22,210 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:32:22" (1/1) ... [2018-11-10 12:32:22,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:32:22,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 12:32:22,243 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 12:32:22,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 12:32:22,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 12:32:22,315 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 12:32:22,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 12:32:22,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-10 12:32:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-10 12:32:22,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:32:22,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-11-10 12:32:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-11-10 12:32:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:32:22,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-11-10 12:32:22,576 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-10 12:32:22,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 12:32:22,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-11-10 12:32:22,668 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-10 12:32:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 12:32:22,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-11-10 12:32:22,788 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-10 12:32:22,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:32:22,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-11-10 12:32:22,880 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-10 12:32:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:32:22,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:22,915 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:22,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:22,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-11-10 12:32:22,982 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-10 12:32:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 12:32:22,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:32:23,015 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:32:23,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:32:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-11-10 12:32:23,079 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-11-10 12:32:23,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 12:32:23,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:32:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:32:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:32:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:32:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:32:23,155 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-11-10 12:32:23,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:32:23 ImpRootNode [2018-11-10 12:32:23,176 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:32:23,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:32:23,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:32:23,177 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:32:23,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:32:22" (3/4) ... [2018-11-10 12:32:23,180 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:32:23,225 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e53a8f0-3fb4-49b9-9552-920fe8b3f6b3/bin-2019/ukojak/witness.graphml [2018-11-10 12:32:23,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:32:23,226 INFO L168 Benchmark]: Toolchain (without parser) took 1419.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -42.9 MB). Peak memory consumption was 86.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:32:23,228 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:32:23,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 174.77 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:32:23,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.78 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:32:23,230 INFO L168 Benchmark]: Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:32:23,231 INFO L168 Benchmark]: RCFGBuilder took 189.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:32:23,232 INFO L168 Benchmark]: CodeCheck took 973.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:32:23,233 INFO L168 Benchmark]: Witness Printer took 49.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:32:23,238 INFO L336 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, 14 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2560 SDtfs, 1020 SDslu, 1528 SDs, 0 SdLazy, 3060 SolverSat, 1532 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 718 GetRequests, 632 SyntacticMatches, 56 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 3400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 0/168 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int i, sn=0; [L13] i=1 [L13] COND TRUE i<=8 [L14] COND TRUE i<4 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=8 [L14] COND TRUE i<4 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=8 [L14] COND TRUE i<4 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND TRUE i<=8 [L14] COND FALSE !(i<4) [L13] i++ [L13] COND FALSE !(i<=8) [L17] CALL __VERIFIER_assert(sn==8*(2) || sn == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 174.77 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.78 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.52 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 189.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 973.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. * Witness Printer took 49.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...