./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum04-1.i --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_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/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 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 0.1.24-cad4683 [2019-10-22 10:14:00,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:00,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:00,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:00,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:00,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:00,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:00,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:00,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:00,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:00,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:00,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:00,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:00,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:00,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:00,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:00,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:00,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:00,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:00,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:00,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:00,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:00,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:00,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:00,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:00,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:00,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:00,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:00,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:00,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:00,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:00,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:00,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:00,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:00,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:00,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:00,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:00,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:00,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:00,306 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:00,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:00,307 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:14:00,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:00,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:00,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:00,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:00,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:00,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:00,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:00,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:00,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:00,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:00,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:00,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:00,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:00,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:00,334 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:00,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:00,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:00,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:00,334 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:00,334 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:00,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:00,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:00,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:00,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:00,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:00,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:00,335 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:00,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:00,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:00,336 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_90743584-2cd7-4ab2-b605-e7b2d595106c/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 -> aeade23d65797ff650f62ff8e383f015764d9ed2 [2019-10-22 10:14:00,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:00,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:00,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:00,379 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:00,380 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:00,380 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/../../sv-benchmarks/c/loops/sum04-1.i [2019-10-22 10:14:00,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/data/43e538b53/e875dba89caf42a0b157e19e6c230414/FLAG9efcbb027 [2019-10-22 10:14:00,821 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:00,821 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/sv-benchmarks/c/loops/sum04-1.i [2019-10-22 10:14:00,826 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/data/43e538b53/e875dba89caf42a0b157e19e6c230414/FLAG9efcbb027 [2019-10-22 10:14:00,836 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/data/43e538b53/e875dba89caf42a0b157e19e6c230414 [2019-10-22 10:14:00,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:00,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:00,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:00,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:00,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:00,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22637c42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:00, skipping insertion in model container [2019-10-22 10:14:00,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:00" (1/1) ... [2019-10-22 10:14:00,858 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:00,872 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:01,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:01,034 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:01,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:01,125 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:01,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01 WrapperNode [2019-10-22 10:14:01,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:01,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:01,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:01,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:01,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:01,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:01,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:01,153 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:01,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:01,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:01,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:01,166 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:01,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/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 10:14:01,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:01,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:01,363 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:01,363 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:14:01,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:01 BoogieIcfgContainer [2019-10-22 10:14:01,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:01,365 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:01,365 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:01,376 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:01,376 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:01" (1/1) ... [2019-10-22 10:14:01,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-10-22 10:14:01,432 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-10-22 10:14:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:14:01,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,571 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 10:14:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-10-22 10:14:01,635 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-10-22 10:14:01,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:14:01,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-10-22 10:14:01,736 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-10-22 10:14:01,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:14:01,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-10-22 10:14:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-10-22 10:14:01,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:01,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,853 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 10:14:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2019-10-22 10:14:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-10-22 10:14:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:14:01,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:01,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2019-10-22 10:14:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-10-22 10:14:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:14:01,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2019-10-22 10:14:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-10-22 10:14:02,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:14:02,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2019-10-22 10:14:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-10-22 10:14:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:02,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2019-10-22 10:14:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2019-10-22 10:14:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:14:02,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:14:02,536 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2019-10-22 10:14:02,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:14:02 ImpRootNode [2019-10-22 10:14:02,556 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:14:02,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:14:02,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:14:02,557 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:14:02,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:01" (3/4) ... [2019-10-22 10:14:02,560 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:14:02,602 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90743584-2cd7-4ab2-b605-e7b2d595106c/bin/ukojak/witness.graphml [2019-10-22 10:14:02,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:14:02,604 INFO L168 Benchmark]: Toolchain (without parser) took 1764.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.2 MB in the beginning and 989.5 MB in the end (delta: -38.3 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:02,604 INFO L168 Benchmark]: CDTParser took 0.16 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 10:14:02,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:02,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:02,605 INFO L168 Benchmark]: Boogie Preprocessor took 12.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:02,606 INFO L168 Benchmark]: RCFGBuilder took 198.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:02,606 INFO L168 Benchmark]: CodeCheck took 1191.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.5 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:02,607 INFO L168 Benchmark]: Witness Printer took 45.59 ms. Allocated memory is still 1.1 GB. Free memory is still 989.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:02,609 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, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 384 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1654 SolverSat, 1402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 417 GetRequests, 359 SyntacticMatches, 28 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 932 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/84 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 - 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) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 285.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 198.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1191.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 989.5 MB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. * Witness Printer took 45.59 ms. Allocated memory is still 1.1 GB. Free memory is still 989.5 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...