./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/signextension2-2.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_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector-regression/signextension2-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/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 77ef69d44c8f77452502c4ac7c66fdbfd4bfb2a1 .................................................................................................................................................................................................................... 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 [2020-11-28 04:38:20,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:20,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:20,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:20,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:20,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:20,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:20,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:20,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:20,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:20,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:20,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:20,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:20,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:20,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:20,958 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:20,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:20,960 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:20,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:20,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:20,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:20,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:20,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:20,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:20,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:20,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:20,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:20,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:20,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:20,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:20,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:20,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:20,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:20,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:20,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:20,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:20,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:20,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:20,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:20,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:20,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:20,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:38:21,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:21,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:21,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:21,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:21,018 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:21,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:21,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:21,020 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:21,020 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:21,020 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:21,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:21,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:21,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:21,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:21,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:21,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:21,023 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:21,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:21,023 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:21,024 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:21,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:21,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:21,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:21,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:21,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:21,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:21,026 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:21,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:21,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:21,027 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_cd128fb7-578d-4000-89ef-add0c8dc9788/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77ef69d44c8f77452502c4ac7c66fdbfd4bfb2a1 [2020-11-28 04:38:21,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:21,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:21,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:21,315 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:21,317 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:21,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/../../sv-benchmarks/c/bitvector-regression/signextension2-2.c [2020-11-28 04:38:21,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/data/dc4992641/0f6739c6b6ea4f77b1fa362b04d306ce/FLAGa02d4af17 [2020-11-28 04:38:21,925 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:21,926 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/sv-benchmarks/c/bitvector-regression/signextension2-2.c [2020-11-28 04:38:21,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/data/dc4992641/0f6739c6b6ea4f77b1fa362b04d306ce/FLAGa02d4af17 [2020-11-28 04:38:22,291 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/data/dc4992641/0f6739c6b6ea4f77b1fa362b04d306ce [2020-11-28 04:38:22,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:22,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:22,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:22,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:22,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:22,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,318 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65affae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22, skipping insertion in model container [2020-11-28 04:38:22,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:22,340 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:22,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:22,565 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:22,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:22,604 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:22,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22 WrapperNode [2020-11-28 04:38:22,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:22,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:22,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:22,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:22,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:22,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:22,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:22,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:22,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... [2020-11-28 04:38:22,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:22,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:22,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:22,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:22,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/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 [2020-11-28 04:38:22,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:22,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:22,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:23,153 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:23,153 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 04:38:23,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:23 BoogieIcfgContainer [2020-11-28 04:38:23,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:23,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:23,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:23,167 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:23,168 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:23" (1/1) ... [2020-11-28 04:38:23,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-11-28 04:38:23,212 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2020-11-28 04:38:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:38:23,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:23,374 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:23,416 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:23,511 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:23,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:23,551 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-28 04:38:23,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:23 ImpRootNode [2020-11-28 04:38:23,582 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:23,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:23,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:23,584 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:23,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:23" (3/4) ... [2020-11-28 04:38:23,588 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:38:23,641 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cd128fb7-578d-4000-89ef-add0c8dc9788/bin/ukojak/witness.graphml [2020-11-28 04:38:23,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:23,643 INFO L168 Benchmark]: Toolchain (without parser) took 1341.22 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 59.6 MB in the beginning and 84.8 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:23,648 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory was 45.4 MB in the beginning and 45.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:23,650 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.25 ms. Allocated memory is still 88.1 MB. Free memory was 59.4 MB in the beginning and 67.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:23,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.03 ms. Allocated memory is still 88.1 MB. Free memory was 67.1 MB in the beginning and 66.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:23,652 INFO L168 Benchmark]: Boogie Preprocessor took 34.48 ms. Allocated memory is still 88.1 MB. Free memory was 66.0 MB in the beginning and 64.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:23,652 INFO L168 Benchmark]: RCFGBuilder took 475.57 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 53.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:23,653 INFO L168 Benchmark]: CodeCheck took 425.55 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.2 MB in the beginning and 86.4 MB in the end (delta: -33.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:23,656 INFO L168 Benchmark]: Witness Printer took 57.80 ms. Allocated memory is still 107.0 MB. Free memory was 86.4 MB in the beginning and 84.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:23,662 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, 6 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: [L6] unsigned int allOne = -1; [L8] int castToInt = allOne; [L9] long castToLong = allOne; [L10] long castToLong2 = castToInt; [L11] unsigned long castToULong = allOne; [L13-L14] COND TRUE castToInt == -1 && castToLong == 4294967295UL && castToLong2 == -1 && castToULong == 4294967295UL [L3] __assert_fail("0", "signextension2-2.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory was 45.4 MB in the beginning and 45.4 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 301.25 ms. Allocated memory is still 88.1 MB. Free memory was 59.4 MB in the beginning and 67.1 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.03 ms. Allocated memory is still 88.1 MB. Free memory was 67.1 MB in the beginning and 66.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.48 ms. Allocated memory is still 88.1 MB. Free memory was 66.0 MB in the beginning and 64.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 475.57 ms. Allocated memory is still 88.1 MB. Free memory was 64.9 MB in the beginning and 53.2 MB in the end (delta: 11.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 425.55 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 53.2 MB in the beginning and 86.4 MB in the end (delta: -33.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. * Witness Printer took 57.80 ms. Allocated memory is still 107.0 MB. Free memory was 86.4 MB in the beginning and 84.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...