./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test27-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test27-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/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 8d15e59fd1b84d7219285b33cc166f567d0bcf3e .................................................................................................................................................................................................................................................................................................................................................... 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-cad4683 [2019-10-22 10:12:08,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:08,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:08,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:08,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:08,132 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:08,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:08,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:08,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:08,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:08,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:08,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:08,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:08,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:08,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:08,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:08,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:08,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:08,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:08,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:08,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:08,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:08,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:08,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:08,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:08,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:08,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:08,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:08,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:08,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:08,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:08,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:08,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:08,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:08,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:08,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:08,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:08,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:08,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:08,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:08,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:08,172 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:12:08,189 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:08,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:08,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:12:08,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:12:08,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:08,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:08,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:08,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:08,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:08,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:08,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:08,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:12:08,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:08,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:12:08,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:08,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:12:08,201 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:08,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:12:08,201 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:08,202 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:08,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:08,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:08,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:08,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:08,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:08,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:12:08,203 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:08,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:08,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:12:08,204 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/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/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 -> 8d15e59fd1b84d7219285b33cc166f567d0bcf3e [2019-10-22 10:12:08,235 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:08,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:08,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:08,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:08,255 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:08,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/../../sv-benchmarks/c/ldv-regression/test27-2.c [2019-10-22 10:12:08,302 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/data/d0ae0311f/0eab3499f7bc4fd1b9cc11f1ce590819/FLAG64ea3b432 [2019-10-22 10:12:08,694 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:08,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/sv-benchmarks/c/ldv-regression/test27-2.c [2019-10-22 10:12:08,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/data/d0ae0311f/0eab3499f7bc4fd1b9cc11f1ce590819/FLAG64ea3b432 [2019-10-22 10:12:08,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/data/d0ae0311f/0eab3499f7bc4fd1b9cc11f1ce590819 [2019-10-22 10:12:08,715 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:08,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:08,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:08,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:08,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:08,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:08,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42af03f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08, skipping insertion in model container [2019-10-22 10:12:08,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:08,729 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:08,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:08,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:08,936 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:08,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:08,969 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:08,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08 WrapperNode [2019-10-22 10:12:08,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:08,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:08,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:08,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:09,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:09,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:09,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:09,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:09,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... [2019-10-22 10:12:09,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:09,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:09,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:09,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:09,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/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 [2019-10-22 10:12:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 10:12:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 10:12:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:12:09,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:09,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:12:09,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:12:09,583 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:09,583 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 10:12:09,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:09 BoogieIcfgContainer [2019-10-22 10:12:09,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:09,585 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:09,585 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:09,593 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:09,593 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:09" (1/1) ... [2019-10-22 10:12:09,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:09,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2019-10-22 10:12:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2019-10-22 10:12:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:12:09,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2019-10-22 10:12:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2019-10-22 10:12:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:09,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2019-10-22 10:12:09,941 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2019-10-22 10:12:09,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:09,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2019-10-22 10:12:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2019-10-22 10:12:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:10,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2019-10-22 10:12:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2019-10-22 10:12:10,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:10,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2019-10-22 10:12:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-10-22 10:12:10,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:10,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2019-10-22 10:12:10,650 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-10-22 10:12:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:12:10,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:10,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2019-10-22 10:12:10,796 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-10-22 10:12:10,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 10:12:10,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:10,884 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:10,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2019-10-22 10:12:10,956 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-10-22 10:12:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:12:10,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,033 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2019-10-22 10:12:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-10-22 10:12:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 10:12:11,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2019-10-22 10:12:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2019-10-22 10:12:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:12:11,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:21,668 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2019-10-22 10:12:21,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:21 ImpRootNode [2019-10-22 10:12:21,719 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:21,719 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:21,719 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:21,720 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:21,720 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:09" (3/4) ... [2019-10-22 10:12:21,724 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:12:21,787 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e4f0fdb-45f0-425f-a3a9-aa8ba329f418/bin/ukojak/witness.graphml [2019-10-22 10:12:21,787 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:21,789 INFO L168 Benchmark]: Toolchain (without parser) took 13073.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.8 MB in the beginning and 975.1 MB in the end (delta: -22.3 MB). Peak memory consumption was 130.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:21,790 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:21,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.38 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 941.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:21,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.47 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 997.3 MB in the end (delta: -55.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:21,791 INFO L168 Benchmark]: Boogie Preprocessor took 25.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.3 MB in the beginning and 996.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:21,792 INFO L168 Benchmark]: RCFGBuilder took 463.89 ms. Allocated memory is still 1.0 GB. Free memory was 996.0 MB in the beginning and 966.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:21,792 INFO L168 Benchmark]: CodeCheck took 12134.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 966.8 MB in the beginning and 978.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 141.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:21,793 INFO L168 Benchmark]: Witness Printer took 68.16 ms. Allocated memory is still 1.2 GB. Free memory was 978.1 MB in the beginning and 975.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:21,795 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, 13 locations, 1 error locations. Result: UNSAFE, OverallTime: 12.0s, OverallIterations: 11, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5632 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 6646 SolverSat, 5626 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 917 GetRequests, 834 SyntacticMatches, 45 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 3168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/165 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: 51]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] struct cont cont; [L23] struct dummy dummy; [L24] struct dummy *dummies[10]; [L25] int a[10]; [L26] int i, *pa; [L27] i = __VERIFIER_nondet_int() [L28] int j = 0; [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] a[j] = __VERIFIER_nondet_int() [L30] dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND FALSE !(j < 10) [L32] COND TRUE i >= 0 && i < 9 [L33] a[i] = i [L34] dummy.array = &a[i] [L35] dummies[i + 1] = &dummy [L36] cont.array = &dummies[0] [L37] EXPR cont.array [L37] EXPR cont.array[i] [L37] EXPR cont.array[i]->array [L37] pa = &cont.array[i]->array[i] [L38] EXPR a[i] [L38] COND TRUE a[i] > 0 [L39] EXPR dummies[i + 1] [L39] EXPR dummies[i + 1]->array [L39] EXPR dummies[i + 1]->array[i] [L39] i = dummies[i + 1]->array[i] - 10 [L40] EXPR \read(*pa) [L40] COND FALSE !(i < *pa) [L17] EXPR pc->array [L17] EXPR pc->array[i] [L17] EXPR pc->array[i]->array [L17] EXPR pc->array[i]->array[i] [L17] return pc->array[i]->array[i] == i; [L43] COND TRUE !check(&cont, i) [L51] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.38 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 941.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.47 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 997.3 MB in the end (delta: -55.5 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.72 ms. Allocated memory is still 1.0 GB. Free memory was 997.3 MB in the beginning and 996.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 463.89 ms. Allocated memory is still 1.0 GB. Free memory was 996.0 MB in the beginning and 966.8 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * CodeCheck took 12134.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 966.8 MB in the beginning and 978.1 MB in the end (delta: -11.2 MB). Peak memory consumption was 141.3 MB. Max. memory is 11.5 GB. * Witness Printer took 68.16 ms. Allocated memory is still 1.2 GB. Free memory was 978.1 MB in the beginning and 975.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...