./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s32iff.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_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s32iff.c -s /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/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 b7762dd94861286cddfea5d4ba6d0215ac8258ba .......................................................................................................................................................................................................................................................................... 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 18:09:01,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:09:01,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:09:01,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:09:01,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:09:01,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:09:01,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:09:01,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:09:01,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:09:01,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:09:01,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:09:01,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:09:01,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:09:01,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:09:01,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:09:01,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:09:01,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:09:01,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:09:01,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:09:01,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:09:01,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:09:01,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:09:01,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:09:01,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:09:01,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:09:01,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:09:01,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:09:01,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:09:01,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:09:01,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:09:01,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:09:01,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:09:01,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:09:01,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:09:01,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:09:01,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:09:01,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:09:01,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:09:01,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:09:01,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:09:01,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:09:01,807 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:09:01,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:09:01,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:09:01,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:09:01,873 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:09:01,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:09:01,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:09:01,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:09:01,875 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:09:01,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:09:01,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:09:01,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:09:01,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:09:01,879 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:09:01,879 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:09:01,879 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:09:01,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:09:01,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:09:01,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:09:01,880 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:09:01,881 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:09:01,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:09:01,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:09:01,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:09:01,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:09:01,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:09:01,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:09:01,883 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:09:01,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:09:01,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:09:01,886 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_556e4c4b-8a66-4f77-8722-60f7422e1e71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7762dd94861286cddfea5d4ba6d0215ac8258ba [2020-12-01 18:09:02,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:09:02,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:09:02,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:09:02,348 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:09:02,350 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:09:02,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/../../sv-benchmarks/c/array-fpi/s32iff.c [2020-12-01 18:09:02,467 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/data/27b164c1d/23728718334e47e69d4f9e5455ad9639/FLAGd15ac838d [2020-12-01 18:09:03,226 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:09:03,227 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/sv-benchmarks/c/array-fpi/s32iff.c [2020-12-01 18:09:03,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/data/27b164c1d/23728718334e47e69d4f9e5455ad9639/FLAGd15ac838d [2020-12-01 18:09:03,557 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/data/27b164c1d/23728718334e47e69d4f9e5455ad9639 [2020-12-01 18:09:03,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:09:03,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:09:03,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:09:03,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:09:03,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:09:03,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:09:03" (1/1) ... [2020-12-01 18:09:03,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1982fe3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:03, skipping insertion in model container [2020-12-01 18:09:03,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:09:03" (1/1) ... [2020-12-01 18:09:03,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:09:03,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:09:03,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:09:03,932 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:09:03,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:09:04,029 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:09:04,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04 WrapperNode [2020-12-01 18:09:04,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:09:04,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:09:04,037 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:09:04,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:09:04,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:09:04,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:09:04,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:09:04,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:09:04,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:04,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:09:04,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:09:04,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:09:04,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:09:04,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:09:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/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 18:09:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:09:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:09:04,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:09:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:09:04,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:09:04,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:09:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:09:04,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:09:04,986 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:09:04,986 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-12-01 18:09:04,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:09:04 BoogieIcfgContainer [2020-12-01 18:09:04,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:09:04,992 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:09:04,992 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:09:05,009 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:09:05,009 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:09:04" (1/1) ... [2020-12-01 18:09:05,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:09:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:09:05,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-12-01 18:09:05,076 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-12-01 18:09:05,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:09:05,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:09:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:09:05,420 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 18:09:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:09:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2020-12-01 18:09:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-12-01 18:09:05,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:09:05,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:09:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:09:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:09:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:09:05,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2020-12-01 18:09:05,676 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-12-01 18:09:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:09:05,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:09:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:09:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:09:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:09:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2020-12-01 18:09:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-12-01 18:09:05,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:09:05,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:09:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:09:05,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:09:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:09:06,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:09:06,166 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-12-01 18:09:06,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:09:06 ImpRootNode [2020-12-01 18:09:06,236 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:09:06,237 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:09:06,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:09:06,238 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:09:06,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:09:04" (3/4) ... [2020-12-01 18:09:06,242 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:09:06,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_556e4c4b-8a66-4f77-8722-60f7422e1e71/bin/ukojak/witness.graphml [2020-12-01 18:09:06,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:09:06,327 INFO L168 Benchmark]: Toolchain (without parser) took 2760.02 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.3 MB in the beginning and 54.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:06,328 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 86.0 MB. Free memory is still 43.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:09:06,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.42 ms. Allocated memory was 86.0 MB in the beginning and 107.0 MB in the end (delta: 21.0 MB). Free memory was 56.0 MB in the beginning and 84.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:06,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.91 ms. Allocated memory is still 107.0 MB. Free memory was 84.0 MB in the beginning and 82.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:06,332 INFO L168 Benchmark]: Boogie Preprocessor took 82.99 ms. Allocated memory is still 107.0 MB. Free memory was 82.5 MB in the beginning and 81.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:06,333 INFO L168 Benchmark]: RCFGBuilder took 783.78 ms. Allocated memory is still 107.0 MB. Free memory was 81.0 MB in the beginning and 52.6 MB in the end (delta: 28.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:06,334 INFO L168 Benchmark]: CodeCheck took 1244.53 ms. Allocated memory is still 107.0 MB. Free memory was 52.6 MB in the beginning and 56.9 MB in the end (delta: -4.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:09:06,335 INFO L168 Benchmark]: Witness Printer took 86.54 ms. Allocated memory is still 107.0 MB. Free memory was 56.9 MB in the beginning and 54.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:09:06,341 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, 11 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: 40 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 94 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 180 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, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 367 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] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=1] [L32] COND TRUE i