./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test26-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test26-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e02278ee7d9986faf1ae0635ee11725f823e79f3 ................................................................................................................................................................................................................ 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 0.1.24-6b5699a [2019-11-26 02:08:53,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:08:53,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:08:53,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:08:53,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:08:53,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:08:53,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:08:53,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:08:53,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:08:53,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:08:53,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:08:53,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:08:53,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:08:53,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:08:53,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:08:53,314 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:08:53,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:08:53,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:08:53,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:08:53,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:08:53,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:08:53,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:08:53,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:08:53,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:08:53,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:08:53,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:08:53,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:08:53,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:08:53,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:08:53,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:08:53,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:08:53,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:08:53,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:08:53,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:08:53,332 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:08:53,332 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:08:53,333 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:08:53,333 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:08:53,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:08:53,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:08:53,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:08:53,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:08:53,348 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:08:53,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:08:53,349 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:08:53,349 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:08:53,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:08:53,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:08:53,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:08:53,350 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:08:53,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:08:53,351 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:08:53,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:08:53,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:08:53,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:08:53,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:08:53,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:08:53,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:08:53,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:08:53,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:08:53,353 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:08:53,353 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:08:53,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:08:53,354 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:08:53,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:08:53,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:08:53,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:08:53,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:08:53,355 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:08:53,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:08:53,355 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:08:53,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6028bad6-d44c-4c03-90f9-bbf790ecfae1/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(__VERIFIER_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 -> e02278ee7d9986faf1ae0635ee11725f823e79f3 [2019-11-26 02:08:53,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:08:53,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:08:53,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:08:53,534 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:08:53,534 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:08:53,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test26-2.c [2019-11-26 02:08:53,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/data/f1c30b515/cd5dd430f2cf41aba5293b3725615e39/FLAG30a515c6d [2019-11-26 02:08:54,000 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:08:54,001 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/sv-benchmarks/c/ldv-regression/test26-2.c [2019-11-26 02:08:54,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/data/f1c30b515/cd5dd430f2cf41aba5293b3725615e39/FLAG30a515c6d [2019-11-26 02:08:54,376 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/data/f1c30b515/cd5dd430f2cf41aba5293b3725615e39 [2019-11-26 02:08:54,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:08:54,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:08:54,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:08:54,384 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:08:54,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:08:54,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a06667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54, skipping insertion in model container [2019-11-26 02:08:54,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:08:54,408 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:08:54,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:08:54,619 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:08:54,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:08:54,650 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:08:54,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54 WrapperNode [2019-11-26 02:08:54,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:08:54,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:08:54,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:08:54,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:08:54,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:08:54,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:08:54,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:08:54,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:08:54,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:08:54,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:08:54,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:08:54,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:08:54,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:08:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/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 [2019-11-26 02:08:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:08:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:08:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:08:54,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:08:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:08:54,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:08:54,964 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:08:54,964 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-26 02:08:54,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:08:54 BoogieIcfgContainer [2019-11-26 02:08:54,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:08:54,965 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:08:54,965 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:08:54,974 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:08:54,974 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:08:54" (1/1) ... [2019-11-26 02:08:54,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:08:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:08:55,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2019-11-26 02:08:55,014 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2019-11-26 02:08:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-26 02:08:55,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:08:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:08:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:08:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:08:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:08:55,201 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-26 02:08:55,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:08:55 ImpRootNode [2019-11-26 02:08:55,222 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:08:55,222 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:08:55,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:08:55,223 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:08:55,223 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:08:54" (3/4) ... [2019-11-26 02:08:55,225 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:08:55,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6028bad6-d44c-4c03-90f9-bbf790ecfae1/bin/ukojak/witness.graphml [2019-11-26 02:08:55,260 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:08:55,262 INFO L168 Benchmark]: Toolchain (without parser) took 882.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -157.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:55,263 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:55,264 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:55,265 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:55,265 INFO L168 Benchmark]: Boogie Preprocessor took 16.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:55,266 INFO L168 Benchmark]: RCFGBuilder took 265.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:55,267 INFO L168 Benchmark]: CodeCheck took 257.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:08:55,267 INFO L168 Benchmark]: Witness Printer took 37.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:08:55,271 INFO L335 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. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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: 24]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L3-L5] struct dummy { int a, b; } global = {0, 1}; [L14] struct dummy *pd = &global; [L9] EXPR \read(*pb) [L9] *pa = *pb [L18] EXPR pd->a [L18] EXPR global.b VAL [global={2:0}] [L18] COND TRUE pd->a != global.b [L24] __VERIFIER_error() VAL [global={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 267.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 265.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 257.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...