./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test29-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test29-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/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 e067cc9a5f96df3533ccc9c1b10392e1d26b4b5f ........................................................................................................................................................................................................................... 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 17:38:08,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:38:08,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:38:08,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:38:08,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:38:08,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:38:08,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:38:08,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:38:08,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:38:08,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:38:08,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:38:08,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:38:08,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:38:08,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:38:08,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:38:08,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:38:08,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:38:08,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:38:08,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:38:08,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:38:08,977 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:38:08,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:38:08,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:38:08,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:38:08,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:38:08,986 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:38:08,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:38:08,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:38:08,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:38:08,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:38:08,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:38:08,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:38:08,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:38:08,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:38:08,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:38:08,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:38:08,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:38:08,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:38:08,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:38:09,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:38:09,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:38:09,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:38:09,044 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:38:09,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:38:09,045 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:38:09,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:38:09,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:38:09,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:38:09,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:38:09,047 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:38:09,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:38:09,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:38:09,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:38:09,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:38:09,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:38:09,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:38:09,049 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:38:09,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:38:09,049 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:38:09,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:38:09,049 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:38:09,050 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:38:09,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:38:09,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:38:09,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:38:09,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:38:09,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:38:09,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:38:09,051 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:38:09,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:38:09,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:38:09,052 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_38cec476-fb47-4198-af91-00595216fd96/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e067cc9a5f96df3533ccc9c1b10392e1d26b4b5f [2020-12-01 17:38:09,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:38:09,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:38:09,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:38:09,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:38:09,352 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:38:09,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test29-1.c [2020-12-01 17:38:09,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/data/b4a9eead8/4a9336bd87524a8db4a7464756c54fac/FLAG998321d8a [2020-12-01 17:38:09,913 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:38:09,913 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/sv-benchmarks/c/ldv-regression/test29-1.c [2020-12-01 17:38:09,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/data/b4a9eead8/4a9336bd87524a8db4a7464756c54fac/FLAG998321d8a [2020-12-01 17:38:10,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/data/b4a9eead8/4a9336bd87524a8db4a7464756c54fac [2020-12-01 17:38:10,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:38:10,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:38:10,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:38:10,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:38:10,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:38:10,317 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c855a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10, skipping insertion in model container [2020-12-01 17:38:10,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:38:10,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:38:10,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:38:10,549 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:38:10,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:38:10,582 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:38:10,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10 WrapperNode [2020-12-01 17:38:10,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:38:10,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:38:10,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:38:10,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:38:10,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:38:10,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:38:10,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:38:10,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:38:10,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... [2020-12-01 17:38:10,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:38:10,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:38:10,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:38:10,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:38:10,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:38:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/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 17:38:10,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 17:38:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:38:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:38:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 17:38:10,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:38:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:38:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:38:11,227 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:38:11,227 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 17:38:11,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:38:11 BoogieIcfgContainer [2020-12-01 17:38:11,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:38:11,231 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:38:11,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:38:11,253 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:38:11,254 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:38:11" (1/1) ... [2020-12-01 17:38:11,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:38:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:38:11,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-12-01 17:38:11,327 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2020-12-01 17:38:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:38:11,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:38:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:38:11,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:38:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:38:11,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:38:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:38:11,585 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:38:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:38:11,599 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:38:11,623 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 17:38:11,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:38:11 ImpRootNode [2020-12-01 17:38:11,644 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:38:11,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:38:11,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:38:11,645 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:38:11,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:38:11" (3/4) ... [2020-12-01 17:38:11,648 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:38:11,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_38cec476-fb47-4198-af91-00595216fd96/bin/ukojak/witness.graphml [2020-12-01 17:38:11,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:38:11,692 INFO L168 Benchmark]: Toolchain (without parser) took 1379.23 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 63.1 MB in the beginning and 88.8 MB in the end (delta: -25.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:38:11,693 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:38:11,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.14 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 71.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:38:11,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.67 ms. Allocated memory is still 94.4 MB. Free memory was 71.7 MB in the beginning and 70.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:38:11,696 INFO L168 Benchmark]: Boogie Preprocessor took 24.27 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 69.2 MB in the end (delta: 835.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:38:11,697 INFO L168 Benchmark]: RCFGBuilder took 583.59 ms. Allocated memory is still 94.4 MB. Free memory was 69.2 MB in the beginning and 45.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:38:11,698 INFO L168 Benchmark]: CodeCheck took 412.57 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 45.3 MB in the beginning and 90.9 MB in the end (delta: -45.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:38:11,699 INFO L168 Benchmark]: Witness Printer took 44.64 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 88.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:38:11,704 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: [L15] union dummy d1, d2; [L16] int n = __VERIFIER_nondet_int(); [L17] EXPR n ? &d1 : &d2 [L17] union dummy *pd = n ? &d1 : &d2; [L18] d1.a = __VERIFIER_nondet_int() [L19] COND FALSE !(pd == &d1) [L22] pd->b = 0 [L24] pd == &d2 && d1.a != 0 [L24] EXPR d1.a [L24] pd == &d2 && d1.a != 0 [L24] COND TRUE pd == &d2 && d1.a != 0 [L3] __assert_fail("0", "test29-1.c", 3, "reach_error") * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 53.9 MB in the beginning and 53.8 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 270.14 ms. Allocated memory is still 94.4 MB. Free memory was 62.9 MB in the beginning and 71.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.67 ms. Allocated memory is still 94.4 MB. Free memory was 71.7 MB in the beginning and 70.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.27 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 69.2 MB in the end (delta: 835.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 583.59 ms. Allocated memory is still 94.4 MB. Free memory was 69.2 MB in the beginning and 45.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 412.57 ms. Allocated memory was 94.4 MB in the beginning and 117.4 MB in the end (delta: 23.1 MB). Free memory was 45.3 MB in the beginning and 90.9 MB in the end (delta: -45.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 44.64 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 88.8 MB in the end (delta: 2.1 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...