./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum01_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_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/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 5cba8acfa381c990ec40e4bf9e5d202ee845a576 ................................................................................................................................................................................................................................................................................................................................ 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 [2018-11-09 23:06:09,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-09 23:06:09,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-09 23:06:09,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-09 23:06:09,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-09 23:06:09,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-09 23:06:09,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-09 23:06:09,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-09 23:06:09,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-09 23:06:09,486 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-09 23:06:09,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-09 23:06:09,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-09 23:06:09,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-09 23:06:09,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-09 23:06:09,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-09 23:06:09,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-09 23:06:09,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-09 23:06:09,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-09 23:06:09,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-09 23:06:09,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-09 23:06:09,494 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-09 23:06:09,495 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-09 23:06:09,497 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-09 23:06:09,497 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-09 23:06:09,497 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-09 23:06:09,498 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-09 23:06:09,498 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-09 23:06:09,499 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-09 23:06:09,500 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-09 23:06:09,500 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-09 23:06:09,500 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-09 23:06:09,501 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-09 23:06:09,501 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-09 23:06:09,501 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-09 23:06:09,502 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-09 23:06:09,502 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-09 23:06:09,503 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-09 23:06:09,512 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-09 23:06:09,512 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-09 23:06:09,513 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-09 23:06:09,513 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-09 23:06:09,514 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-09 23:06:09,514 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-09 23:06:09,514 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-09 23:06:09,514 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-09 23:06:09,514 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-09 23:06:09,515 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-09 23:06:09,515 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-09 23:06:09,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-09 23:06:09,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-09 23:06:09,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-09 23:06:09,515 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-09 23:06:09,515 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-09 23:06:09,516 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-09 23:06:09,516 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-09 23:06:09,516 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-09 23:06:09,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-09 23:06:09,516 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-09 23:06:09,516 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-09 23:06:09,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-09 23:06:09,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-09 23:06:09,517 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-09 23:06:09,517 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-09 23:06:09,517 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-09 23:06:09,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-09 23:06:09,517 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_cade2f35-e565-46a3-ba4d-f386f7ec793e/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 -> 5cba8acfa381c990ec40e4bf9e5d202ee845a576 [2018-11-09 23:06:09,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-09 23:06:09,548 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-09 23:06:09,551 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-09 23:06:09,552 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-09 23:06:09,552 INFO L276 PluginConnector]: CDTParser initialized [2018-11-09 23:06:09,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum01_false-unreach-call_true-termination.i [2018-11-09 23:06:09,589 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/data/e295cd9e2/76dbcc9c16634637967af7dbddd9699f/FLAGb6ec64570 [2018-11-09 23:06:09,970 INFO L298 CDTParser]: Found 1 translation units. [2018-11-09 23:06:09,971 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/sv-benchmarks/c/loops/sum01_false-unreach-call_true-termination.i [2018-11-09 23:06:09,974 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/data/e295cd9e2/76dbcc9c16634637967af7dbddd9699f/FLAGb6ec64570 [2018-11-09 23:06:09,982 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/data/e295cd9e2/76dbcc9c16634637967af7dbddd9699f [2018-11-09 23:06:09,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-09 23:06:09,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-09 23:06:09,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-09 23:06:09,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-09 23:06:09,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-09 23:06:09,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:06:09" (1/1) ... [2018-11-09 23:06:09,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac897aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:09, skipping insertion in model container [2018-11-09 23:06:09,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:06:09" (1/1) ... [2018-11-09 23:06:09,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-09 23:06:10,008 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-09 23:06:10,101 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:06:10,103 INFO L189 MainTranslator]: Completed pre-run [2018-11-09 23:06:10,112 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-09 23:06:10,120 INFO L193 MainTranslator]: Completed translation [2018-11-09 23:06:10,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10 WrapperNode [2018-11-09 23:06:10,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-09 23:06:10,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-09 23:06:10,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-09 23:06:10,121 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-09 23:06:10,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-09 23:06:10,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-09 23:06:10,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-09 23:06:10,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-09 23:06:10,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-09 23:06:10,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-09 23:06:10,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-09 23:06:10,161 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-09 23:06:10,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:06:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/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 [2018-11-09 23:06:10,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-09 23:06:10,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-09 23:06:10,378 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-09 23:06:10,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:06:10 BoogieIcfgContainer [2018-11-09 23:06:10,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-09 23:06:10,379 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-09 23:06:10,379 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-09 23:06:10,386 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-09 23:06:10,386 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:06:10" (1/1) ... [2018-11-09 23:06:10,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-09 23:06:10,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:10,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-09 23:06:10,418 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-09 23:06:10,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-09 23:06:10,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:10,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-09 23:06:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-09 23:06:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-09 23:06:10,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:10,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:10,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2018-11-09 23:06:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2018-11-09 23:06:10,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-09 23:06:10,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-11-09 23:06:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-11-09 23:06:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-09 23:06:11,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2018-11-09 23:06:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2018-11-09 23:06:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-09 23:06:11,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:11,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2018-11-09 23:06:11,551 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2018-11-09 23:06:11,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-09 23:06:11,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:11,635 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:11,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:11,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-09 23:06:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-09 23:06:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-09 23:06:11,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:11,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-11-09 23:06:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-11-09 23:06:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-09 23:06:12,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-11-09 23:06:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-11-09 23:06:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-09 23:06:12,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-11-09 23:06:12,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-11-09 23:06:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-09 23:06:12,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2018-11-09 23:06:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2018-11-09 23:06:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-09 23:06:12,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-09 23:06:12,874 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-09 23:06:13,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-09 23:06:13,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-11-09 23:06:13,064 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-11-09 23:06:13,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-09 23:06:13,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-09 23:06:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:06:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:06:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:06:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-09 23:06:13,157 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2018-11-09 23:06:13,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 11:06:13 ImpRootNode [2018-11-09 23:06:13,176 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-09 23:06:13,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-09 23:06:13,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-09 23:06:13,177 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-09 23:06:13,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:06:10" (3/4) ... [2018-11-09 23:06:13,180 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-09 23:06:13,229 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cade2f35-e565-46a3-ba4d-f386f7ec793e/bin-2019/ukojak/witness.graphml [2018-11-09 23:06:13,230 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-09 23:06:13,230 INFO L168 Benchmark]: Toolchain (without parser) took 3245.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-09 23:06:13,232 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-09 23:06:13,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.99 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. [2018-11-09 23:06:13,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.03 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. [2018-11-09 23:06:13,234 INFO L168 Benchmark]: Boogie Preprocessor took 14.09 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. [2018-11-09 23:06:13,235 INFO L168 Benchmark]: RCFGBuilder took 218.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-09 23:06:13,236 INFO L168 Benchmark]: CodeCheck took 2798.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-11-09 23:06:13,237 INFO L168 Benchmark]: Witness Printer took 52.77 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-09 23:06:13,241 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, 2.7s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12288 SDtfs, 7676 SDslu, 10232 SDs, 0 SdLazy, 34030 SolverSat, 10486 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1315 GetRequests, 1137 SyntacticMatches, 108 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2162 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 36666 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/330 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, n=__VERIFIER_nondet_uint(), sn=0; [L12] int i, n=__VERIFIER_nondet_uint(), sn=0; [L13] i=1 [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND TRUE i<10 [L15] sn = sn + (2) [L13] i++ [L13] COND TRUE i<=n [L14] COND FALSE !(i<10) [L13] i++ [L13] COND FALSE !(i<=n) [L17] CALL __VERIFIER_assert(sn==n*(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 0.14 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 134.99 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 25.03 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 14.09 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 218.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -175.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2798.05 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -8.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Witness Printer took 52.77 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: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...