./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum04-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum04-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/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 a02f2d90df049b7a5c6a05d9dfbf37e8076efe74 ..................................................................................................................................................................................................................................................................................................... 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 17:20:09,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:20:09,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:20:09,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:20:09,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:20:09,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:20:09,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:20:09,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:20:09,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:20:09,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:20:09,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:20:09,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:20:09,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:20:09,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:20:09,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:20:09,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:20:09,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:20:09,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:20:09,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:20:09,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:20:09,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:20:09,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:20:09,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:20:09,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:20:09,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:20:09,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:20:09,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:20:09,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:20:09,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:20:09,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:20:09,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:20:09,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:20:09,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:20:09,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:20:09,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:20:09,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:20:09,791 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:20:09,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:20:09,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:20:09,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:20:09,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:20:09,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:20:09,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:20:09,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:20:09,853 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:20:09,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:20:09,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:20:09,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:20:09,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:20:09,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:20:09,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:20:09,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:20:09,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:20:09,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:20:09,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:20:09,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:20:09,860 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:20:09,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:20:09,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:20:09,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:20:09,861 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:20:09,862 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:20:09,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:20:09,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:20:09,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:20:09,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:20:09,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:20:09,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:20:09,873 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:20:09,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:20:09,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:20:09,876 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_a40b82e7-94e4-4008-90a8-4092a3043847/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a02f2d90df049b7a5c6a05d9dfbf37e8076efe74 [2020-12-01 17:20:10,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:20:10,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:20:10,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:20:10,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:20:10,223 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:20:10,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/../../sv-benchmarks/c/loops/sum04-1.i [2020-12-01 17:20:10,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/data/d24d511b4/0bcd7694f6d54e82ab2561131fd5e744/FLAG9d3dae8fd [2020-12-01 17:20:10,860 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:20:10,861 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/sv-benchmarks/c/loops/sum04-1.i [2020-12-01 17:20:10,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/data/d24d511b4/0bcd7694f6d54e82ab2561131fd5e744/FLAG9d3dae8fd [2020-12-01 17:20:11,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/data/d24d511b4/0bcd7694f6d54e82ab2561131fd5e744 [2020-12-01 17:20:11,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:20:11,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:20:11,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:11,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:20:11,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:20:11,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6921b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11, skipping insertion in model container [2020-12-01 17:20:11,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:20:11,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:20:11,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:11,507 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:20:11,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:20:11,553 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:20:11,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11 WrapperNode [2020-12-01 17:20:11,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:20:11,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:11,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:20:11,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:20:11,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:20:11,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:20:11,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:20:11,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:20:11,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... [2020-12-01 17:20:11,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:20:11,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:20:11,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:20:11,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:20:11,656 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:20:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/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 17:20:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:20:11,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:20:11,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:20:11,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:20:12,085 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:20:12,085 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:20:12,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:12 BoogieIcfgContainer [2020-12-01 17:20:12,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:20:12,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:20:12,099 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:20:12,129 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:20:12,129 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:12" (1/1) ... [2020-12-01 17:20:12,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:20:12,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:12,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:20:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:20:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:20:12,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2020-12-01 17:20:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-12-01 17:20:12,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:20:12,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:12,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:12,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2020-12-01 17:20:12,708 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-12-01 17:20:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:20:12,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2020-12-01 17:20:12,832 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-12-01 17:20:12,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:20:12,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:12,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 17:20:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 17:20:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:20:12,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:13,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2020-12-01 17:20:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-12-01 17:20:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:20:13,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:13,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2020-12-01 17:20:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-12-01 17:20:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:20:13,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2020-12-01 17:20:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-01 17:20:13,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:20:13,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:20:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:20:13,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:20:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2020-12-01 17:20:13,614 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-12-01 17:20:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:20:13,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:20:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:13,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:13,665 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:13,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:20:13,736 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:20:13,814 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-12-01 17:20:13,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:20:13 ImpRootNode [2020-12-01 17:20:13,850 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:20:13,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:20:13,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:20:13,851 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:20:13,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:20:12" (3/4) ... [2020-12-01 17:20:13,854 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:20:13,946 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a40b82e7-94e4-4008-90a8-4092a3043847/bin/ukojak/witness.graphml [2020-12-01 17:20:13,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:20:13,949 INFO L168 Benchmark]: Toolchain (without parser) took 2725.96 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 58.2 MB in the beginning and 78.1 MB in the end (delta: -19.9 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:13,949 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 74.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:20:13,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.12 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 71.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:13,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 92.3 MB. Free memory was 71.4 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:20:13,952 INFO L168 Benchmark]: Boogie Preprocessor took 41.42 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 69.1 MB in the end (delta: 803.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:20:13,953 INFO L168 Benchmark]: RCFGBuilder took 434.67 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 54.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:13,954 INFO L168 Benchmark]: CodeCheck took 1760.44 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 54.9 MB in the beginning and 80.2 MB in the end (delta: -25.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:13,955 INFO L168 Benchmark]: Witness Printer took 95.80 ms. Allocated memory is still 119.5 MB. Free memory was 80.2 MB in the beginning and 78.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:20:13,960 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 512 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1910 SolverSat, 1402 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 483 GetRequests, 432 SyntacticMatches, 21 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/84 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] int i, sn=0; [L24] i=1 [L24] COND TRUE i<=8 [L25] COND TRUE i<4 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=8 [L25] COND TRUE i<4 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=8 [L25] COND TRUE i<4 [L26] sn = sn + (2) [L24] i++ [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ [L24] COND TRUE i<=8 [L25] COND FALSE !(i<4) [L24] i++ [L24] COND FALSE !(i<=8) [L15] COND TRUE !(cond) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "sum04-1.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 92.3 MB. Free memory is still 74.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 332.12 ms. Allocated memory is still 92.3 MB. Free memory was 58.0 MB in the beginning and 71.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.04 ms. Allocated memory is still 92.3 MB. Free memory was 71.4 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.42 ms. Allocated memory is still 92.3 MB. Free memory was 69.9 MB in the beginning and 69.1 MB in the end (delta: 803.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 434.67 ms. Allocated memory is still 92.3 MB. Free memory was 69.1 MB in the beginning and 54.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1760.44 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 54.9 MB in the beginning and 80.2 MB in the end (delta: -25.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * Witness Printer took 95.80 ms. Allocated memory is still 119.5 MB. Free memory was 80.2 MB in the beginning and 78.1 MB in the end (delta: 2.1 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...