./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s32iff.c -s /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/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-a4ecdab [2020-11-30 00:32:56,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:32:56,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:32:56,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:32:56,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:32:56,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:32:56,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:32:57,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:32:57,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:32:57,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:32:57,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:32:57,020 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:32:57,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:32:57,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:32:57,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:32:57,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:32:57,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:32:57,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:32:57,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:32:57,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:32:57,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:32:57,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:32:57,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:32:57,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:32:57,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:32:57,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:32:57,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:32:57,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:32:57,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:32:57,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:32:57,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:32:57,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:32:57,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:32:57,080 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:32:57,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:32:57,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:32:57,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:32:57,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:32:57,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:32:57,086 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:32:57,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:32:57,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:32:57,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:32:57,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:32:57,122 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:32:57,122 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:32:57,123 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:32:57,123 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:32:57,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:32:57,124 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:32:57,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:32:57,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:32:57,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:32:57,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:32:57,126 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:32:57,126 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:32:57,126 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:32:57,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:32:57,127 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:32:57,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:32:57,127 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:32:57,128 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:32:57,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:32:57,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:32:57,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:32:57,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:32:57,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:32:57,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:32:57,130 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:32:57,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:32:57,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:32:57,131 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_498bb1c2-064e-4805-8fe5-c413e71dc71e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7762dd94861286cddfea5d4ba6d0215ac8258ba [2020-11-30 00:32:57,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:32:57,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:32:57,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:32:57,477 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:32:57,479 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:32:57,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/../../sv-benchmarks/c/array-fpi/s32iff.c [2020-11-30 00:32:57,563 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/data/82f664d94/f2da2810d4584b16815584af2504606b/FLAG538bc972f [2020-11-30 00:32:58,131 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:32:58,132 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/sv-benchmarks/c/array-fpi/s32iff.c [2020-11-30 00:32:58,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/data/82f664d94/f2da2810d4584b16815584af2504606b/FLAG538bc972f [2020-11-30 00:32:58,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/data/82f664d94/f2da2810d4584b16815584af2504606b [2020-11-30 00:32:58,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:32:58,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:32:58,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:32:58,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:32:58,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:32:58,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,516 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f5d3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58, skipping insertion in model container [2020-11-30 00:32:58,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:32:58,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:32:58,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:32:58,858 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:32:58,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:32:58,902 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:32:58,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58 WrapperNode [2020-11-30 00:32:58,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:32:58,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:32:58,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:32:58,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:32:58,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:32:58,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:32:58,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:32:58,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:32:58,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... [2020-11-30 00:32:58,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:32:58,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:32:58,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:32:58,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:32:58,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:32:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/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 [2020-11-30 00:32:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:32:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:32:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:32:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-30 00:32:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:32:59,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:32:59,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:32:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:32:59,778 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:32:59,778 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-30 00:32:59,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:59 BoogieIcfgContainer [2020-11-30 00:32:59,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:32:59,782 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:32:59,783 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:32:59,795 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:32:59,796 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:59" (1/1) ... [2020-11-30 00:32:59,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:32:59,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:32:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2020-11-30 00:32:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2020-11-30 00:32:59,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-30 00:32:59,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:33:00,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2020-11-30 00:33:00,212 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-11-30 00:33:00,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-30 00:33:00,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:33:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:00,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2020-11-30 00:33:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2020-11-30 00:33:00,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:33:00,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:33:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:33:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:33:00,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2020-11-30 00:33:00,546 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-11-30 00:33:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:33:00,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:33:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:33:00,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:33:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:33:00,675 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:33:00,722 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-30 00:33:00,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:33:00 ImpRootNode [2020-11-30 00:33:00,792 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:33:00,795 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:33:00,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:33:00,796 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:33:00,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:32:59" (3/4) ... [2020-11-30 00:33:00,799 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:33:00,861 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_498bb1c2-064e-4805-8fe5-c413e71dc71e/bin/ukojak/witness.graphml [2020-11-30 00:33:00,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:33:00,864 INFO L168 Benchmark]: Toolchain (without parser) took 2374.71 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 77.7 MB in the beginning and 73.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 34.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:00,865 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 104.9 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:33:00,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.83 ms. Allocated memory is still 104.9 MB. Free memory was 77.5 MB in the beginning and 80.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:00,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.52 ms. Allocated memory is still 104.9 MB. Free memory was 80.8 MB in the beginning and 79.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:00,867 INFO L168 Benchmark]: Boogie Preprocessor took 32.84 ms. Allocated memory is still 104.9 MB. Free memory was 79.2 MB in the beginning and 77.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:00,868 INFO L168 Benchmark]: RCFGBuilder took 798.10 ms. Allocated memory is still 104.9 MB. Free memory was 77.8 MB in the beginning and 49.6 MB in the end (delta: 28.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:00,869 INFO L168 Benchmark]: CodeCheck took 1009.48 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 49.6 MB in the beginning and 75.5 MB in the end (delta: -26.0 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:00,870 INFO L168 Benchmark]: Witness Printer took 66.15 ms. Allocated memory is still 136.3 MB. Free memory was 75.5 MB in the beginning and 73.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:33:00,874 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: 0.9s, 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, 0.1s 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