./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum05.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_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum05.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/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 1633e43e3f340ce4ae371cafc3d1ea0a9dad5739 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:16:12,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:16:12,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:16:12,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:16:12,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:16:12,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:16:12,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:16:12,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:16:12,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:16:12,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:16:12,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:16:12,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:16:12,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:16:12,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:16:12,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:16:12,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:16:12,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:16:12,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:16:12,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:16:12,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:16:12,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:16:12,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:16:12,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:16:12,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:16:12,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:16:12,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:16:12,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:16:12,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:16:12,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:16:12,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:16:12,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:16:12,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:16:12,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:16:12,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:16:12,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:16:12,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:16:12,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:16:12,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:16:12,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:16:12,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:16:12,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:16:12,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 04:16:12,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:16:12,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:16:12,846 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 04:16:12,846 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 04:16:12,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:16:12,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:16:12,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:16:12,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 04:16:12,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:16:12,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 04:16:12,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:16:12,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 04:16:12,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:16:12,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 04:16:12,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 04:16:12,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 04:16:12,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:16:12,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 04:16:12,849 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:16:12,850 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:16:12,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:16:12,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:16:12,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:16:12,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:16:12,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:16:12,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 04:16:12,851 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 04:16:12,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 04:16:12,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 04:16:12,851 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_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/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 -> 1633e43e3f340ce4ae371cafc3d1ea0a9dad5739 [2019-11-20 04:16:13,012 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:16:13,022 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:16:13,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:16:13,027 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:16:13,027 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:16:13,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum05.i [2019-11-20 04:16:13,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/data/c5ad09818/fd39d29c8f074c87a9d3bbb417447058/FLAG03a994021 [2019-11-20 04:16:13,478 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:16:13,478 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/sv-benchmarks/c/reducercommutativity/rangesum05.i [2019-11-20 04:16:13,483 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/data/c5ad09818/fd39d29c8f074c87a9d3bbb417447058/FLAG03a994021 [2019-11-20 04:16:13,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/data/c5ad09818/fd39d29c8f074c87a9d3bbb417447058 [2019-11-20 04:16:13,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:16:13,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:16:13,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:16:13,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:16:13,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:16:13,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7594f213 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13, skipping insertion in model container [2019-11-20 04:16:13,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,512 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:16:13,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:16:13,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:16:13,741 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:16:13,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:16:13,776 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:16:13,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13 WrapperNode [2019-11-20 04:16:13,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:16:13,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:16:13,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:16:13,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:16:13,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:16:13,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:16:13,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:16:13,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:16:13,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... [2019-11-20 04:16:13,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:16:13,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:16:13,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:16:13,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:16:13,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:16:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/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 04:16:13,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 04:16:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:16:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:16:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 04:16:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2019-11-20 04:16:13,919 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2019-11-20 04:16:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 04:16:13,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 04:16:15,387 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:16:15,388 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 04:16:15,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:16:15 BoogieIcfgContainer [2019-11-20 04:16:15,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:16:15,390 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:16:15,390 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:16:15,398 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:16:15,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:16:15" (1/1) ... [2019-11-20 04:16:15,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:16:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2019-11-20 04:16:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2019-11-20 04:16:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-20 04:16:15,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:15,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:16:15,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:15,646 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 04:16:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2019-11-20 04:16:15,691 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2019-11-20 04:16:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 04:16:15,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:15,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:16:15,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:15,758 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 04:16:15,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:15,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2019-11-20 04:16:15,796 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2019-11-20 04:16:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-20 04:16:15,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:15,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 04:16:15,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:15,863 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 04:16:15,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2019-11-20 04:16:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-11-20 04:16:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-20 04:16:15,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:15,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:16:15,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:15,987 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 04:16:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2019-11-20 04:16:16,055 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2019-11-20 04:16:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-20 04:16:16,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:16,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:16:16,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:16,120 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 04:16:16,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:16,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-11-20 04:16:16,210 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-11-20 04:16:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 04:16:16,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:16,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:16:16,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:16,302 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 04:16:16,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:16,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-11-20 04:16:16,369 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-11-20 04:16:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-20 04:16:16,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:16,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:16:16,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:16,468 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 04:16:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2019-11-20 04:16:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2019-11-20 04:16:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-20 04:16:16,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:16,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:16:16,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 04:16:17,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2019-11-20 04:16:17,350 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2019-11-20 04:16:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-20 04:16:17,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:17,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:16:17,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 04:16:17,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:17,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2019-11-20 04:16:17,557 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2019-11-20 04:16:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-20 04:16:17,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:17,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:16:17,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 04:16:17,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2019-11-20 04:16:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2019-11-20 04:16:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-11-20 04:16:17,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:17,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 04:16:17,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:17,940 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-20 04:16:18,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:18,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2019-11-20 04:16:18,042 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2019-11-20 04:16:18,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-20 04:16:18,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:18,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 04:16:18,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 04:16:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2019-11-20 04:16:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2019-11-20 04:16:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-11-20 04:16:18,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:18,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 04:16:18,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 76 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 04:16:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2019-11-20 04:16:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2019-11-20 04:16:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-20 04:16:18,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 04:16:18,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 04:16:18,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 04:16:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 76 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 04:16:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:16:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2019-11-20 04:16:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-11-20 04:16:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-11-20 04:16:18,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 04:16:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:16:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 04:16:18,980 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2019-11-20 04:16:19,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:16:19 ImpRootNode [2019-11-20 04:16:19,051 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 04:16:19,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:16:19,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:16:19,052 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:16:19,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:16:15" (3/4) ... [2019-11-20 04:16:19,054 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 04:16:19,208 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0f60446-01d6-4e0e-9583-8800b3e5a4a3/bin/ukojak/witness.graphml [2019-11-20 04:16:19,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:16:19,210 INFO L168 Benchmark]: Toolchain (without parser) took 5711.04 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 221.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2019-11-20 04:16:19,210 INFO L168 Benchmark]: CDTParser took 0.19 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 04:16:19,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -212.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:16:19,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:16:19,212 INFO L168 Benchmark]: Boogie Preprocessor took 36.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:16:19,212 INFO L168 Benchmark]: RCFGBuilder took 1529.94 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: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-11-20 04:16:19,213 INFO L168 Benchmark]: CodeCheck took 3661.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:16:19,213 INFO L168 Benchmark]: Witness Printer took 157.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-11-20 04:16:19,215 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: 3.5s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 139264 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 118502 SolverSat, 78090 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2461 GetRequests, 2385 SyntacticMatches, 26 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 475 NumberOfCodeBlocks, 475 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 417 ConstructedInterpolants, 0 QuantifiedInterpolants, 15741 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2224 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 14 InterpolantComputations, 3 PerfectInterpolantSequences, 941/991 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[5]; [L5] int i; [L6] i = 0 [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 5 [L7] x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND FALSE !(i < 5) [L33] int temp; [L34] int ret; [L35] int ret2; [L36] int ret5; [L38] CALL, EXPR rangesum(x) VAL [x={2:0}] [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={2:0}, x={2:0}] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=1, ret=0, x={2:0}, x={2:0}, x[i]=18] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=2, ret=0, x={2:0}, x={2:0}, x[i]=18] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=3, ret=0, x={2:0}, x={2:0}, x[i]=18] [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=1, i=4, ret=-3, x={2:0}, x={2:0}, x[i]=0] [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=2, i=5, ret=2147483644, x={2:0}, x={2:0}, x[i]=0] [L17] COND FALSE !(i < 5) [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={2:0}] [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={2:0}, x={2:0}] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=1, ret=0, x={2:0}, x={2:0}, x[i]=44] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=2, ret=0, x={2:0}, x={2:0}, x[i]=44] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=3, ret=0, x={2:0}, x={2:0}, x[i]=44] [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=1, i=4, ret=-3, x={2:0}, x={2:0}, x[i]=0] [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=2, i=5, ret=2147483644, x={2:0}, x={2:0}, x[i]=0] [L17] COND FALSE !(i < 5) [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<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<5 -1 [L44] EXPR x[i+1] [L44] x[i] = x[i+1] [L43] i++ [L43] COND FALSE !(i<5 -1) [L46] x[5 -1] = temp [L47] CALL, EXPR rangesum(x) VAL [x={2:0}] [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={2:0}, x={2:0}] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=1, ret=0, x={2:0}, x={2:0}, x[i]=65] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=2, ret=0, x={2:0}, x={2:0}, x[i]=65] [L17] COND TRUE i < 5 [L18] COND FALSE !(i > 5/2) [L17] i++ VAL [cnt=0, i=3, ret=0, x={2:0}, x={2:0}, x[i]=65] [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=1, i=4, ret=2147483647, x={2:0}, x={2:0}, x[i]=0] [L17] COND TRUE i < 5 [L18] COND TRUE i > 5/2 [L19] EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ VAL [cnt=2, i=5, ret=1, x={2:0}, x={2:0}, x[i]=0] [L17] COND FALSE !(i < 5) [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 0.19 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 277.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -212.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1529.94 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: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. * CodeCheck took 3661.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 55.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * Witness Printer took 157.08 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...