./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum10.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/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 af68da58954d6230e3860792840330ae6de845ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 05:02:24,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:02:24,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:02:24,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:02:24,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:02:24,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:02:24,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:02:24,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:02:24,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:02:24,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:02:24,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:02:24,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:02:24,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:02:24,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:02:24,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:02:24,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:02:24,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:02:24,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:02:24,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:02:24,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:02:24,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:02:24,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:02:24,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:02:24,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:02:24,447 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:02:24,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:02:24,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:02:24,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:02:24,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:02:24,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:02:24,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:02:24,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:02:24,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:02:24,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:02:24,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:02:24,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:02:24,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:02:24,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:02:24,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:02:24,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:02:24,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:02:24,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 05:02:24,487 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:02:24,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:02:24,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 05:02:24,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 05:02:24,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:02:24,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:02:24,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:02:24,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:02:24,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:02:24,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:02:24,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:02:24,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:02:24,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:02:24,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:02:24,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:02:24,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:02:24,492 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:02:24,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:02:24,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 05:02:24,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 05:02:24,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:02:24,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:02:24,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:02:24,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:02:24,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:02:24,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:02:24,494 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 05:02:24,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:02:24,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:02:24,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/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 -> af68da58954d6230e3860792840330ae6de845ab [2019-11-20 05:02:24,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:02:24,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:02:24,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:02:24,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:02:24,716 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:02:24,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum10.i [2019-11-20 05:02:24,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/data/eb64c6853/0f983ed29a9f4e1e8ff1a19378d5badd/FLAG064b46006 [2019-11-20 05:02:25,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:02:25,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/sv-benchmarks/c/reducercommutativity/rangesum10.i [2019-11-20 05:02:25,184 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/data/eb64c6853/0f983ed29a9f4e1e8ff1a19378d5badd/FLAG064b46006 [2019-11-20 05:02:25,199 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/data/eb64c6853/0f983ed29a9f4e1e8ff1a19378d5badd [2019-11-20 05:02:25,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:02:25,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:02:25,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:02:25,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:02:25,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:02:25,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3910051a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25, skipping insertion in model container [2019-11-20 05:02:25,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,225 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:02:25,249 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:02:25,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:02:25,574 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:02:25,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:02:25,626 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:02:25,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25 WrapperNode [2019-11-20 05:02:25,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:02:25,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:02:25,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:02:25,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:02:25,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:02:25,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:02:25,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:02:25,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:02:25,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... [2019-11-20 05:02:25,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:02:25,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:02:25,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:02:25,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:02:25,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:02:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 05:02:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:02:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:02:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:02:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:02:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-11-20 05:02:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-11-20 05:02:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:02:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:02:26,911 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:02:26,911 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 05:02:26,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:26 BoogieIcfgContainer [2019-11-20 05:02:26,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:02:26,913 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 05:02:26,914 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 05:02:26,924 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 05:02:26,924 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:26" (1/1) ... [2019-11-20 05:02:26,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:02:26,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 05:02:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 05:02:26,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 05:02:26,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:27,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:02:27,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-20 05:02:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2019-11-20 05:02:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-11-20 05:02:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 05:02:27,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:27,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:02:27,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 05:02:27,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:27,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2019-11-20 05:02:27,741 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-20 05:02:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 05:02:27,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:27,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:02:27,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:27,850 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 05:02:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-11-20 05:02:27,902 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-11-20 05:02:27,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 05:02:27,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:27,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 05:02:27,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:28,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-11-20 05:02:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-11-20 05:02:28,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 05:02:28,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:28,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:02:28,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:28,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-11-20 05:02:28,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-11-20 05:02:28,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 05:02:28,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:28,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:02:28,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:28,328 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:28,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-11-20 05:02:28,423 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-11-20 05:02:28,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 05:02:28,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:28,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:02:28,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:28,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:28,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2019-11-20 05:02:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2019-11-20 05:02:28,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 05:02:28,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:28,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:02:28,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:28,787 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:28,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2019-11-20 05:02:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-11-20 05:02:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-20 05:02:28,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:28,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:02:28,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:29,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2019-11-20 05:02:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-11-20 05:02:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-20 05:02:29,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:29,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 05:02:29,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:29,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:29,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2019-11-20 05:02:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2019-11-20 05:02:29,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 05:02:29,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:29,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:02:29,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:29,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2019-11-20 05:02:29,642 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2019-11-20 05:02:29,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 05:02:29,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:29,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 05:02:29,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 05:02:29,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:29,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2019-11-20 05:02:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2019-11-20 05:02:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-20 05:02:29,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:29,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 05:02:29,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:30,050 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 05:02:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:30,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2019-11-20 05:02:30,186 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2019-11-20 05:02:30,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-11-20 05:02:30,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:30,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:02:30,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:30,320 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-20 05:02:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2019-11-20 05:02:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2019-11-20 05:02:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-20 05:02:30,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:30,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:02:30,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-11-20 05:02:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2019-11-20 05:02:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2019-11-20 05:02:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 05:02:30,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:30,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:02:30,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-20 05:02:31,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:31,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2019-11-20 05:02:31,098 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-11-20 05:02:31,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-20 05:02:31,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:31,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:02:31,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-11-20 05:02:31,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:31,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2019-11-20 05:02:31,423 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-11-20 05:02:31,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-20 05:02:31,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:31,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:02:31,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2019-11-20 05:02:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2019-11-20 05:02:31,716 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2019-11-20 05:02:31,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-20 05:02:31,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:31,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 05:02:31,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:31,840 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-11-20 05:02:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:31,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2019-11-20 05:02:31,967 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2019-11-20 05:02:31,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-20 05:02:31,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:32,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:02:32,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 164 proven. 36 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2019-11-20 05:02:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2019-11-20 05:02:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2019-11-20 05:02:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-20 05:02:32,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:32,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 05:02:32,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:32,346 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 202 proven. 45 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2019-11-20 05:02:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2019-11-20 05:02:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2019-11-20 05:02:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-20 05:02:32,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:32,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 05:02:32,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 246 proven. 1 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:32,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:32,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2019-11-20 05:02:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2019-11-20 05:02:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-20 05:02:32,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:32,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:02:32,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 246 proven. 3 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:33,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2019-11-20 05:02:33,131 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2019-11-20 05:02:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 05:02:33,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:33,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:02:33,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 246 proven. 6 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 41 states and 46 transitions. [2019-11-20 05:02:33,480 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2019-11-20 05:02:33,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-20 05:02:33,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:33,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:02:33,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 246 proven. 10 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 42 states and 47 transitions. [2019-11-20 05:02:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2019-11-20 05:02:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-20 05:02:33,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:33,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:02:33,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:34,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:34,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 43 states and 48 transitions. [2019-11-20 05:02:34,224 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2019-11-20 05:02:34,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-20 05:02:34,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:34,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:02:34,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 246 proven. 21 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:34,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2019-11-20 05:02:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2019-11-20 05:02:34,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-11-20 05:02:34,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:34,695 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-20 05:02:34,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 246 proven. 28 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2019-11-20 05:02:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2019-11-20 05:02:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-11-20 05:02:34,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:02:35,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:02:35,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:02:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 246 proven. 36 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-11-20 05:02:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 05:02:35,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2019-11-20 05:02:35,431 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2019-11-20 05:02:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 05:02:35,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 05:02:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:02:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:02:36,648 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 30 iterations. [2019-11-20 05:02:36,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:02:36 ImpRootNode [2019-11-20 05:02:36,812 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 05:02:36,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:02:36,813 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:02:36,813 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:02:36,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:02:26" (3/4) ... [2019-11-20 05:02:36,816 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 05:02:36,962 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1fd95014-eec2-47d2-8a1b-08f8e377a2d3/bin/ukojak/witness.graphml [2019-11-20 05:02:36,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:02:36,965 INFO L168 Benchmark]: Toolchain (without parser) took 11760.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 219.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:36,965 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:02:36,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:36,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:02:36,967 INFO L168 Benchmark]: Boogie Preprocessor took 28.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:36,967 INFO L168 Benchmark]: RCFGBuilder took 1218.42 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:36,968 INFO L168 Benchmark]: CodeCheck took 9899.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:36,968 INFO L168 Benchmark]: Witness Printer took 150.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:02:36,971 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Result: UNSAFE, OverallTime: 9.7s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 268435456 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, -402915850 SolverSat, -1744567814 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6776 GetRequests, 6540 SyntacticMatches, 126 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4554 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1325 NumberOfCodeBlocks, 1325 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1227 ConstructedInterpolants, 0 QuantifiedInterpolants, 73631 SizeOfPredicates, 29 NumberOfNonLiveVariables, 6299 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 29 InterpolantComputations, 3 PerfectInterpolantSequences, 6991/7441 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: 50]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L31] int x[10]; [L5] int i; [L6] i = 0 [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND FALSE !(i < 10) [L33] int temp; [L34] int ret; [L35] int ret2; [L36] int ret5; [L38] CALL, EXPR rangesum(x) VAL [x={2147483639:0}] [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 VAL [cnt=0, i=0, ret=0, x={2147483639:0}, x={2147483639:0}] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=1, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=47] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=2, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=47] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=3, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=47] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=4, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=47] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=5, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=47] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=6, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=47] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=1, i=7, ret=-2147483647, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=2, i=8, ret=-2147483650, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=3, i=9, ret=-2147483654, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=4, i=10, ret=-16, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L38] RET, EXPR rangesum(x) [L38] ret = rangesum(x) [L40] EXPR x[0] [L40] temp=x[0] [L40] EXPR x[1] [L40] x[0] = x[1] [L40] x[1] = temp [L41] CALL, EXPR rangesum(x) VAL [x={2147483639:0}] [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 VAL [cnt=0, i=0, ret=0, x={2147483639:0}, x={2147483639:0}] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=1, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=77] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=2, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=77] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=3, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=77] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=4, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=77] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=5, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=77] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=6, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=77] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=1, i=7, ret=-2147483647, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=2, i=8, ret=-2147483650, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=3, i=9, ret=-2147483654, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=4, i=10, ret=-16, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L41] RET, EXPR rangesum(x) [L41] ret2 = rangesum(x) [L42] EXPR x[0] [L42] temp=x[0] [L43] int i =0 ; [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND FALSE !(i<10 -1) [L46] x[10 -1] = temp [L47] CALL, EXPR rangesum(x) VAL [x={2147483639:0}] [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 VAL [cnt=0, i=0, ret=0, x={2147483639:0}, x={2147483639:0}] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=1, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=128] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=2, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=128] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=3, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=128] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=4, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=128] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=5, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=128] [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ VAL [cnt=0, i=6, ret=0, x={2147483639:0}, x={2147483639:0}, x[i]=128] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=1, i=7, ret=-3, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=2, i=8, ret=-7, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=3, i=9, ret=2147483631, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=4, i=10, ret=-2, x={2147483639:0}, x={2147483639:0}, x[i]=0] [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] return ret / cnt; [L47] RET, EXPR rangesum(x) [L47] ret5 = rangesum(x) [L49] COND TRUE ret != ret2 || ret !=ret5 [L50] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 418.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -181.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.97 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1218.42 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 9899.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 87.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -61.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Witness Printer took 150.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...