./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina2f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/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 18a438d9195efc31a76e9f94e16dcade46dcc096 .............................................................................................................................................................................................................................................................................. 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-a4ecdab [2020-11-29 20:12:54,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:12:54,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:12:54,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:12:54,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:12:54,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:12:54,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:12:55,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:12:55,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:12:55,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:12:55,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:12:55,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:12:55,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:12:55,023 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:12:55,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:12:55,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:12:55,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:12:55,033 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:12:55,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:12:55,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:12:55,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:12:55,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:12:55,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:12:55,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:12:55,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:12:55,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:12:55,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:12:55,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:12:55,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:12:55,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:12:55,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:12:55,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:12:55,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:12:55,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:12:55,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:12:55,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:12:55,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:12:55,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:12:55,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:12:55,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:12:55,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:12:55,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:12:55,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:12:55,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:12:55,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:12:55,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:12:55,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:12:55,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:12:55,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:12:55,167 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:12:55,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:12:55,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:12:55,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:12:55,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:12:55,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:12:55,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:12:55,170 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:12:55,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:12:55,171 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:12:55,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:12:55,172 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:12:55,172 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:12:55,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:12:55,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:12:55,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:12:55,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:12:55,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:12:55,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:12:55,174 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:12:55,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:12:55,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:12:55,177 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_10e40d98-57de-43e2-bd3e-23c884edb1c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18a438d9195efc31a76e9f94e16dcade46dcc096 [2020-11-29 20:12:55,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:12:55,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:12:55,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:12:55,606 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:12:55,607 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:12:55,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/../../sv-benchmarks/c/array-fpi/sina2f.c [2020-11-29 20:12:55,690 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/data/8bb9231ca/d1b565f25853474388a5f9152ceee09e/FLAG377a06ec8 [2020-11-29 20:12:56,462 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:12:56,463 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/sv-benchmarks/c/array-fpi/sina2f.c [2020-11-29 20:12:56,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/data/8bb9231ca/d1b565f25853474388a5f9152ceee09e/FLAG377a06ec8 [2020-11-29 20:12:56,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/data/8bb9231ca/d1b565f25853474388a5f9152ceee09e [2020-11-29 20:12:56,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:12:56,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:12:56,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:12:56,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:12:56,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:12:56,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:12:56" (1/1) ... [2020-11-29 20:12:56,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32da5e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:56, skipping insertion in model container [2020-11-29 20:12:56,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:12:56" (1/1) ... [2020-11-29 20:12:56,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:12:56,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:12:57,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:12:57,148 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:12:57,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:12:57,225 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:12:57,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57 WrapperNode [2020-11-29 20:12:57,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:12:57,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:12:57,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:12:57,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:12:57,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:12:57,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:12:57,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:12:57,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:12:57,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... [2020-11-29 20:12:57,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:12:57,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:12:57,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:12:57,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:12:57,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:12:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/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 [2020-11-29 20:12:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:12:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:12:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:12:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 20:12:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:12:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:12:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:12:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:12:58,144 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:12:58,145 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-29 20:12:58,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:12:58 BoogieIcfgContainer [2020-11-29 20:12:58,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:12:58,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:12:58,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:12:58,167 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:12:58,168 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:12:58" (1/1) ... [2020-11-29 20:12:58,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:12:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:12:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2020-11-29 20:12:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2020-11-29 20:12:58,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 20:12:58,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:12:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:12:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:12:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:12:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2020-11-29 20:12:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-11-29 20:12:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 20:12:58,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:12:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:12:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:12:58,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:12:58,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2020-11-29 20:12:58,827 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-11-29 20:12:58,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 20:12:58,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:12:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:12:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:12:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:12:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2020-11-29 20:12:58,994 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2020-11-29 20:12:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 20:12:58,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:12:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:12:59,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:12:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:12:59,109 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:12:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:12:59,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:12:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:12:59,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:12:59,311 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-29 20:12:59,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:12:59 ImpRootNode [2020-11-29 20:12:59,394 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:12:59,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:12:59,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:12:59,396 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:12:59,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:12:58" (3/4) ... [2020-11-29 20:12:59,401 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:12:59,497 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10e40d98-57de-43e2-bd3e-23c884edb1c4/bin/ukojak/witness.graphml [2020-11-29 20:12:59,497 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:12:59,500 INFO L168 Benchmark]: Toolchain (without parser) took 2682.11 ms. Allocated memory is still 107.0 MB. Free memory was 78.1 MB in the beginning and 82.9 MB in the end (delta: -4.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:12:59,501 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory was 43.9 MB in the beginning and 43.8 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:12:59,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.99 ms. Allocated memory is still 107.0 MB. Free memory was 77.9 MB in the beginning and 85.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:59,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.92 ms. Allocated memory is still 107.0 MB. Free memory was 85.0 MB in the beginning and 83.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:59,504 INFO L168 Benchmark]: Boogie Preprocessor took 63.06 ms. Allocated memory is still 107.0 MB. Free memory was 83.4 MB in the beginning and 82.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:12:59,505 INFO L168 Benchmark]: RCFGBuilder took 768.48 ms. Allocated memory is still 107.0 MB. Free memory was 82.2 MB in the beginning and 58.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:59,506 INFO L168 Benchmark]: CodeCheck took 1245.58 ms. Allocated memory is still 107.0 MB. Free memory was 57.9 MB in the beginning and 85.1 MB in the end (delta: -27.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:59,507 INFO L168 Benchmark]: Witness Printer took 101.68 ms. Allocated memory is still 107.0 MB. Free memory was 85.1 MB in the beginning and 82.9 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:12:59,513 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, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 94 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 207 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=1] [L32] COND TRUE i