./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum_array-1.c --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_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum_array-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/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 729bcf7bc8da07a9502e2c955dd21c14a257521f ............................................................................................................................................................................................................................................................... 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 18:16:07,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:16:07,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:16:07,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:16:07,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:16:07,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:16:07,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:16:07,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:16:07,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:16:07,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:16:07,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:16:07,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:16:07,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:16:07,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:16:07,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:16:07,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:16:07,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:16:07,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:16:07,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:16:07,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:16:07,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:16:07,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:16:07,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:16:07,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:16:07,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:16:07,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:16:07,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:16:07,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:16:07,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:16:07,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:16:07,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:16:07,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:16:07,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:16:07,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:16:07,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:16:07,954 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:16:07,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:16:07,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:16:07,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:16:07,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:16:07,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:16:07,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:16:07,994 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:16:07,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:16:07,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:16:07,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:16:08,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:16:08,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:16:08,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:16:08,004 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:16:08,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:16:08,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:16:08,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:16:08,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:16:08,007 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:16:08,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:16:08,007 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:16:08,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:16:08,008 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:16:08,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:16:08,009 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:16:08,009 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:16:08,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:16:08,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:16:08,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:16:08,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:16:08,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:16:08,011 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:16:08,012 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:16:08,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:16:08,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:16:08,014 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_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 729bcf7bc8da07a9502e2c955dd21c14a257521f [2020-12-01 18:16:08,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:16:08,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:16:08,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:16:08,436 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:16:08,438 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:16:08,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/../../sv-benchmarks/c/loops/sum_array-1.c [2020-12-01 18:16:08,545 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/data/56c0b6ad5/3bd92f5d683b4b9f836924f857daf2de/FLAGb54d36439 [2020-12-01 18:16:09,191 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:16:09,192 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/sv-benchmarks/c/loops/sum_array-1.c [2020-12-01 18:16:09,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/data/56c0b6ad5/3bd92f5d683b4b9f836924f857daf2de/FLAGb54d36439 [2020-12-01 18:16:09,550 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/data/56c0b6ad5/3bd92f5d683b4b9f836924f857daf2de [2020-12-01 18:16:09,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:16:09,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:16:09,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:16:09,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:16:09,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:16:09,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:16:09" (1/1) ... [2020-12-01 18:16:09,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce5eab3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:09, skipping insertion in model container [2020-12-01 18:16:09,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:16:09" (1/1) ... [2020-12-01 18:16:09,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:16:09,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:16:09,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:16:09,955 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:16:10,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:16:10,021 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:16:10,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10 WrapperNode [2020-12-01 18:16:10,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:16:10,024 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:16:10,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:16:10,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:16:10,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:16:10,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:16:10,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:16:10,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:16:10,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... [2020-12-01 18:16:10,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:16:10,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:16:10,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:16:10,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:16:10,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:16:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/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 18:16:10,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:16:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:16:10,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:16:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:16:10,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:16:10,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:16:10,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:16:11,094 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:16:11,094 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 18:16:11,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:16:11 BoogieIcfgContainer [2020-12-01 18:16:11,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:16:11,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:16:11,098 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:16:11,117 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:16:11,117 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:16:11" (1/1) ... [2020-12-01 18:16:11,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:16:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2020-12-01 18:16:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2020-12-01 18:16:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:16:11,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:11,497 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 18:16:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2020-12-01 18:16:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-12-01 18:16:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:16:11,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:11,896 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 18:16:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2020-12-01 18:16:12,157 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2020-12-01 18:16:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:16:12,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:16:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:16:12,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:16:12,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2020-12-01 18:16:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2020-12-01 18:16:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:16:12,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:16:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:16:12,522 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:16:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:16:12,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:16:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:16:12,707 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:16:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:16:12,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:16:12,828 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-12-01 18:16:12,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:16:12 ImpRootNode [2020-12-01 18:16:12,869 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:16:12,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:16:12,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:16:12,870 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:16:12,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:16:11" (3/4) ... [2020-12-01 18:16:12,872 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:16:12,953 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_45272e34-7f90-48ee-b18c-4eb2bdd4eecd/bin/ukojak/witness.graphml [2020-12-01 18:16:12,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:16:12,957 INFO L168 Benchmark]: Toolchain (without parser) took 3392.98 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 79.0 MB in the beginning and 74.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:16:12,958 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 107.0 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:16:12,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.85 ms. Allocated memory was 107.0 MB in the beginning and 140.5 MB in the end (delta: 33.6 MB). Free memory was 79.0 MB in the beginning and 116.2 MB in the end (delta: -37.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:16:12,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.78 ms. Allocated memory is still 140.5 MB. Free memory was 116.2 MB in the beginning and 114.7 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:16:12,962 INFO L168 Benchmark]: Boogie Preprocessor took 68.01 ms. Allocated memory is still 140.5 MB. Free memory was 114.7 MB in the beginning and 113.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:16:12,963 INFO L168 Benchmark]: RCFGBuilder took 926.14 ms. Allocated memory is still 140.5 MB. Free memory was 113.0 MB in the beginning and 89.5 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:16:12,964 INFO L168 Benchmark]: CodeCheck took 1771.29 ms. Allocated memory is still 140.5 MB. Free memory was 89.5 MB in the beginning and 76.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:16:12,965 INFO L168 Benchmark]: Witness Printer took 83.80 ms. Allocated memory is still 140.5 MB. Free memory was 76.2 MB in the beginning and 74.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:16:12,983 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, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 28 SDslu, 0 SDs, 0 SdLazy, 132 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1073 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/3 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L16] unsigned int M = __VERIFIER_nondet_uint(); [L17] int A[M], B[M], C[M]; [L18] unsigned int i; [L20] i=0 [L20] COND TRUE i