./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum05.i -s /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bbcd29b379466a58e055ac550736cd77ce56d9c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-69874e2 [2020-12-01 16:37:21,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:37:21,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:37:21,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:37:21,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:37:21,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:37:21,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:37:21,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:37:21,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:37:21,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:37:21,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:37:21,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:37:21,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:37:21,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:37:21,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:37:21,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:37:21,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:37:21,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:37:21,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:37:21,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:37:21,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:37:21,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:37:21,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:37:21,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:37:21,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:37:21,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:37:21,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:37:21,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:37:21,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:37:21,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:37:21,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:37:21,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:37:21,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:37:21,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:37:21,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:37:21,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:37:21,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:37:21,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:37:21,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:37:21,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:37:21,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:37:21,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:37:21,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:37:21,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:37:21,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:37:21,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:37:21,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:37:21,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:37:21,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:37:21,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:37:21,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:37:21,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:37:21,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:37:21,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:37:21,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:37:21,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:37:21,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:37:21,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:37:21,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:37:21,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:37:21,807 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:37:21,808 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:37:21,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:37:21,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:37:21,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:37:21,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:37:21,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:37:21,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:37:21,809 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:37:21,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:37:21,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:37:21,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bbcd29b379466a58e055ac550736cd77ce56d9c [2020-12-01 16:37:22,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:37:22,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:37:22,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:37:22,092 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:37:22,093 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:37:22,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum05.i [2020-12-01 16:37:22,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/data/53b45b3c8/fc4edc7917a746788ec181909a7afc72/FLAG1207f86aa [2020-12-01 16:37:22,670 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:37:22,670 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/sv-benchmarks/c/reducercommutativity/rangesum05.i [2020-12-01 16:37:22,677 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/data/53b45b3c8/fc4edc7917a746788ec181909a7afc72/FLAG1207f86aa [2020-12-01 16:37:23,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/data/53b45b3c8/fc4edc7917a746788ec181909a7afc72 [2020-12-01 16:37:23,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:37:23,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:37:23,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:37:23,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:37:23,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:37:23,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a22f4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23, skipping insertion in model container [2020-12-01 16:37:23,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:37:23,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:37:23,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:37:23,314 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:37:23,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:37:23,389 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:37:23,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23 WrapperNode [2020-12-01 16:37:23,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:37:23,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:37:23,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:37:23,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:37:23,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:37:23,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:37:23,429 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:37:23,429 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:37:23,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... [2020-12-01 16:37:23,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:37:23,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:37:23,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:37:23,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:37:23,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:37:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/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 [2020-12-01 16:37:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:37:23,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:37:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:37:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:37:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:37:23,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:37:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2020-12-01 16:37:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2020-12-01 16:37:23,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:37:24,160 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:37:24,160 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 16:37:24,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:24 BoogieIcfgContainer [2020-12-01 16:37:24,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:37:24,166 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:37:24,167 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:37:24,181 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:37:24,181 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:24" (1/1) ... [2020-12-01 16:37:24,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:37:24,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2020-12-01 16:37:24,266 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2020-12-01 16:37:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:37:24,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:24,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:37:24,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:24,652 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:37:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2020-12-01 16:37:24,715 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-12-01 16:37:24,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:37:24,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:24,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:37:24,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:24,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:37:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2020-12-01 16:37:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2020-12-01 16:37:24,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:37:24,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:37:25,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:37:25,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:25,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2020-12-01 16:37:25,110 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-12-01 16:37:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:37:25,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:37:25,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:37:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2020-12-01 16:37:25,374 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2020-12-01 16:37:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:37:25,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:37:25,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:37:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:25,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2020-12-01 16:37:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2020-12-01 16:37:25,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:37:25,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:37:25,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:25,772 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:37:25,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2020-12-01 16:37:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2020-12-01 16:37:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:37:25,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:25,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:37:25,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:26,053 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:37:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2020-12-01 16:37:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2020-12-01 16:37:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:37:26,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:26,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:37:26,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 16:37:26,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:26,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2020-12-01 16:37:26,485 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2020-12-01 16:37:26,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:37:26,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:26,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:37:26,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 16:37:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2020-12-01 16:37:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2020-12-01 16:37:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:37:26,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:26,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:37:26,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-12-01 16:37:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2020-12-01 16:37:27,247 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2020-12-01 16:37:27,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:37:27,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:27,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:37:27,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:37:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2020-12-01 16:37:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2020-12-01 16:37:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:37:27,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:27,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:37:27,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-01 16:37:27,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2020-12-01 16:37:27,854 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2020-12-01 16:37:27,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:37:27,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:27,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:37:27,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 76 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-01 16:37:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2020-12-01 16:37:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2020-12-01 16:37:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:37:28,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:37:28,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:37:28,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:37:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 76 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-12-01 16:37:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:28,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2020-12-01 16:37:28,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2020-12-01 16:37:28,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:37:28,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:37:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:37:28,972 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:37:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:37:29,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:37:30,903 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2020-12-01 16:37:31,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:37:31 ImpRootNode [2020-12-01 16:37:31,001 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:37:31,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:37:31,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:37:31,002 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:37:31,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:37:24" (3/4) ... [2020-12-01 16:37:31,005 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:37:31,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_70291050-766c-4c11-9035-8fb26675bf40/bin/ukojak/witness.graphml [2020-12-01 16:37:31,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:37:31,127 INFO L168 Benchmark]: Toolchain (without parser) took 8105.86 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 73.2 MB in the beginning and 60.3 MB in the end (delta: 12.9 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:31,128 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:37:31,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.77 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 73.0 MB in the end (delta: -118.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:31,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.99 ms. Allocated memory is still 96.5 MB. Free memory was 73.0 MB in the beginning and 71.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:31,129 INFO L168 Benchmark]: Boogie Preprocessor took 27.96 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 70.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:31,130 INFO L168 Benchmark]: RCFGBuilder took 707.21 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 45.3 MB in the end (delta: 24.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:31,130 INFO L168 Benchmark]: CodeCheck took 6834.80 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 45.3 MB in the beginning and 64.5 MB in the end (delta: -19.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:31,131 INFO L168 Benchmark]: Witness Printer took 124.09 ms. Allocated memory is still 146.8 MB. Free memory was 64.5 MB in the beginning and 60.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:31,134 INFO L339 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, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.6s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 147456 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 118502 SolverSat, 78090 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2547 GetRequests, 2471 SyntacticMatches, 26 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 490 NumberOfCodeBlocks, 490 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 16669 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2462 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: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int x[5]; [L16] int i; [L17] i = 0 [L17] COND TRUE i < 5 [L18] x[i] = __VERIFIER_nondet_int() [L17] i++ [L17] COND TRUE i < 5 [L18] x[i] = __VERIFIER_nondet_int() [L17] i++ [L17] COND TRUE i < 5 [L18] x[i] = __VERIFIER_nondet_int() [L17] i++ [L17] COND TRUE i < 5 [L18] x[i] = __VERIFIER_nondet_int() [L17] i++ [L17] COND TRUE i < 5 [L18] x[i] = __VERIFIER_nondet_int() [L17] i++ [L17] COND FALSE !(i < 5) [L44] int temp; [L45] int ret; [L46] int ret2; [L47] int ret5; [L49] CALL, EXPR rangesum(x) VAL [x={3:0}] [L24] int i; [L25] long long ret; [L26] ret = 0 [L27] int cnt = 0; [L28] i = 0 VAL [cnt=0, i=0, ret=0, x={3:0}, x={3:0}] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=1, ret=0, x={3:0}, x={3:0}, x[i]=34] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=2, ret=0, x={3:0}, x={3:0}, x[i]=34] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=3, ret=0, x={3:0}, x={3:0}, x[i]=34] [L28] COND TRUE i < 5 [L29] COND TRUE i > 5/2 [L30] EXPR x[i] [L30] ret = ret + x[i] [L31] cnt = cnt + 1 [L28] i++ VAL [cnt=1, i=4, ret=-1, x={3:0}, x={3:0}, x[i]=0] [L28] COND TRUE i < 5 [L29] COND TRUE i > 5/2 [L30] EXPR x[i] [L30] ret = ret + x[i] [L31] cnt = cnt + 1 [L28] i++ VAL [cnt=2, i=5, ret=-6, x={3:0}, x={3:0}, x[i]=0] [L28] COND FALSE !(i < 5) [L34] COND TRUE cnt !=0 [L35] return ret / cnt; [L49] RET, EXPR rangesum(x) [L49] ret = rangesum(x) [L51] EXPR x[0] [L51] temp=x[0] [L51] EXPR x[1] [L51] x[0] = x[1] [L51] x[1] = temp [L52] CALL, EXPR rangesum(x) VAL [x={3:0}] [L24] int i; [L25] long long ret; [L26] ret = 0 [L27] int cnt = 0; [L28] i = 0 VAL [cnt=0, i=0, ret=0, x={3:0}, x={3:0}] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=1, ret=0, x={3:0}, x={3:0}, x[i]=58] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=2, ret=0, x={3:0}, x={3:0}, x[i]=58] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=3, ret=0, x={3:0}, x={3:0}, x[i]=58] [L28] COND TRUE i < 5 [L29] COND TRUE i > 5/2 [L30] EXPR x[i] [L30] ret = ret + x[i] [L31] cnt = cnt + 1 [L28] i++ VAL [cnt=1, i=4, ret=-1, x={3:0}, x={3:0}, x[i]=0] [L28] COND TRUE i < 5 [L29] COND TRUE i > 5/2 [L30] EXPR x[i] [L30] ret = ret + x[i] [L31] cnt = cnt + 1 [L28] i++ VAL [cnt=2, i=5, ret=-6, x={3:0}, x={3:0}, x[i]=0] [L28] COND FALSE !(i < 5) [L34] COND TRUE cnt !=0 [L35] return ret / cnt; [L52] RET, EXPR rangesum(x) [L52] ret2 = rangesum(x) [L53] EXPR x[0] [L53] temp=x[0] [L54] int i =0 ; [L54] COND TRUE i<5 -1 [L55] EXPR x[i+1] [L55] x[i] = x[i+1] [L54] i++ [L54] COND TRUE i<5 -1 [L55] EXPR x[i+1] [L55] x[i] = x[i+1] [L54] i++ [L54] COND TRUE i<5 -1 [L55] EXPR x[i+1] [L55] x[i] = x[i+1] [L54] i++ [L54] COND TRUE i<5 -1 [L55] EXPR x[i+1] [L55] x[i] = x[i+1] [L54] i++ [L54] COND FALSE !(i<5 -1) [L57] x[5 -1] = temp [L58] CALL, EXPR rangesum(x) VAL [x={3:0}] [L24] int i; [L25] long long ret; [L26] ret = 0 [L27] int cnt = 0; [L28] i = 0 VAL [cnt=0, i=0, ret=0, x={3:0}, x={3:0}] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=1, ret=0, x={3:0}, x={3:0}, x[i]=84] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=2, ret=0, x={3:0}, x={3:0}, x[i]=84] [L28] COND TRUE i < 5 [L29] COND FALSE !(i > 5/2) [L28] i++ VAL [cnt=0, i=3, ret=0, x={3:0}, x={3:0}, x[i]=84] [L28] COND TRUE i < 5 [L29] COND TRUE i > 5/2 [L30] EXPR x[i] [L30] ret = ret + x[i] [L31] cnt = cnt + 1 [L28] i++ VAL [cnt=1, i=4, ret=-5, x={3:0}, x={3:0}, x[i]=0] [L28] COND TRUE i < 5 [L29] COND TRUE i > 5/2 [L30] EXPR x[i] [L30] ret = ret + x[i] [L31] cnt = cnt + 1 [L28] i++ VAL [cnt=2, i=5, ret=5, x={3:0}, x={3:0}, x[i]=0] [L28] COND FALSE !(i < 5) [L34] COND TRUE cnt !=0 [L35] return ret / cnt; [L58] RET, EXPR rangesum(x) [L58] ret5 = rangesum(x) [L60] COND TRUE ret != ret2 || ret !=ret5 [L12] COND FALSE !(0) [L12] __assert_fail ("0", "rangesum05.c", 18, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 96.5 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.77 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 73.0 MB in the end (delta: -118.0 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.99 ms. Allocated memory is still 96.5 MB. Free memory was 73.0 MB in the beginning and 71.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.96 ms. Allocated memory is still 96.5 MB. Free memory was 71.3 MB in the beginning and 70.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 707.21 ms. Allocated memory is still 96.5 MB. Free memory was 70.0 MB in the beginning and 45.3 MB in the end (delta: 24.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 6834.80 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 45.3 MB in the beginning and 64.5 MB in the end (delta: -19.2 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * Witness Printer took 124.09 ms. Allocated memory is still 146.8 MB. Free memory was 64.5 MB in the beginning and 60.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...