./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test29-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/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-a4ecdab [2020-11-29 21:56:17,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:56:17,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:56:17,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:56:17,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:56:17,342 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:56:17,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:56:17,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:56:17,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:56:17,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:56:17,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:56:17,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:56:17,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:56:17,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:56:17,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:56:17,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:56:17,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:56:17,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:56:17,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:56:17,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:56:17,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:56:17,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:56:17,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:56:17,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:56:17,391 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:56:17,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:56:17,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:56:17,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:56:17,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:56:17,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:56:17,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:56:17,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:56:17,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:56:17,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:56:17,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:56:17,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:56:17,422 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:56:17,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:56:17,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:56:17,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:56:17,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:56:17,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 21:56:17,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:56:17,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:56:17,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:56:17,484 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:56:17,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:56:17,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:56:17,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:56:17,486 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 21:56:17,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:56:17,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 21:56:17,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:56:17,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:56:17,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:56:17,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:56:17,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 21:56:17,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:56:17,490 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:56:17,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:56:17,490 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:56:17,490 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:56:17,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:56:17,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:56:17,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:56:17,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:56:17,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:56:17,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:56:17,492 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:56:17,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:56:17,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:56:17,495 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_976c30e7-27a0-4383-94b1-c9ce511c7abd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e067cc9a5f96df3533ccc9c1b10392e1d26b4b5f [2020-11-29 21:56:17,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:56:17,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:56:17,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:56:17,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:56:17,890 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:56:17,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test29-1.c [2020-11-29 21:56:17,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/data/6f9e6854a/719398c215e64168b3debe31d0acd8ce/FLAG53eac8c88 [2020-11-29 21:56:18,643 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:56:18,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/sv-benchmarks/c/ldv-regression/test29-1.c [2020-11-29 21:56:18,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/data/6f9e6854a/719398c215e64168b3debe31d0acd8ce/FLAG53eac8c88 [2020-11-29 21:56:18,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/data/6f9e6854a/719398c215e64168b3debe31d0acd8ce [2020-11-29 21:56:18,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:56:18,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:56:18,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:56:18,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:56:18,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:56:18,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:18,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa2c133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18, skipping insertion in model container [2020-11-29 21:56:18,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:18,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:56:18,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:56:18,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:56:18,913 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:56:18,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:56:18,948 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:56:18,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18 WrapperNode [2020-11-29 21:56:18,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:56:18,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:56:18,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:56:18,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:56:18,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:18,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:18,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:56:18,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:56:18,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:56:18,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:56:19,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:19,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:19,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:19,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:19,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:19,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:19,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... [2020-11-29 21:56:19,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:56:19,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:56:19,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:56:19,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:56:19,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:56:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:56:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 21:56:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:56:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:56:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 21:56:19,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 21:56:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 21:56:19,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 21:56:19,708 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:56:19,708 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 21:56:19,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:56:19 BoogieIcfgContainer [2020-11-29 21:56:19,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:56:19,712 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:56:19,712 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:56:19,723 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:56:19,723 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:56:19" (1/1) ... [2020-11-29 21:56:19,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:56:19,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:56:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2020-11-29 21:56:19,769 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2020-11-29 21:56:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 21:56:19,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:56:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:56:19,881 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:56:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:56:19,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:56:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:56:19,986 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:56:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:56:20,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:56:20,022 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-29 21:56:20,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:56:20 ImpRootNode [2020-11-29 21:56:20,055 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:56:20,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:56:20,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:56:20,057 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:56:20,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:56:19" (3/4) ... [2020-11-29 21:56:20,060 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 21:56:20,116 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_976c30e7-27a0-4383-94b1-c9ce511c7abd/bin/ukojak/witness.graphml [2020-11-29 21:56:20,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:56:20,122 INFO L168 Benchmark]: Toolchain (without parser) took 1451.22 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 57.8 MB in the beginning and 69.0 MB in the end (delta: -11.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-11-29 21:56:20,123 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 74.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:56:20,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.72 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 69.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-29 21:56:20,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.57 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 68.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:56:20,126 INFO L168 Benchmark]: Boogie Preprocessor took 42.77 ms. Allocated memory is still 92.3 MB. Free memory was 68.3 MB in the beginning and 67.4 MB in the end (delta: 936.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:56:20,127 INFO L168 Benchmark]: RCFGBuilder took 670.27 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 67.1 MB in the beginning and 86.3 MB in the end (delta: -19.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:56:20,131 INFO L168 Benchmark]: CodeCheck took 343.28 ms. Allocated memory is still 111.1 MB. Free memory was 86.3 MB in the beginning and 71.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:56:20,132 INFO L168 Benchmark]: Witness Printer took 62.80 ms. Allocated memory is still 111.1 MB. Free memory was 70.7 MB in the beginning and 69.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 21:56:20,138 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: 0.2s, 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 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 74.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 277.72 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 69.9 MB in the end (delta: -12.3 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.57 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 68.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.77 ms. Allocated memory is still 92.3 MB. Free memory was 68.3 MB in the beginning and 67.4 MB in the end (delta: 936.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 670.27 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 67.1 MB in the beginning and 86.3 MB in the end (delta: -19.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 343.28 ms. Allocated memory is still 111.1 MB. Free memory was 86.3 MB in the beginning and 71.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 62.80 ms. Allocated memory is still 111.1 MB. Free memory was 70.7 MB in the beginning and 69.0 MB in the end (delta: 1.7 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...