./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test23_false-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test23_false-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/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 b974f281a213c0803f91ef44d205e442fb2a5f8f ................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-02 05:12:21,215 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:12:21,216 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:12:21,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:12:21,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:12:21,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:12:21,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:12:21,224 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:12:21,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:12:21,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:12:21,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:12:21,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:12:21,226 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:12:21,227 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:12:21,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:12:21,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:12:21,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:12:21,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:12:21,230 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:12:21,231 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:12:21,231 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:12:21,232 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:12:21,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:12:21,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:12:21,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:12:21,234 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:12:21,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:12:21,235 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:12:21,235 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:12:21,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:12:21,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:12:21,236 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:12:21,236 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:12:21,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:12:21,237 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:12:21,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:12:21,237 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 05:12:21,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:12:21,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:12:21,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:12:21,245 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 05:12:21,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:12:21,245 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:12:21,245 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:12:21,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:12:21,246 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:12:21,246 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:12:21,246 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:12:21,246 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:12:21,246 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:12:21,246 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:12:21,247 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:12:21,247 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:12:21,247 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:12:21,247 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:12:21,247 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 05:12:21,247 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 05:12:21,247 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:12:21,247 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:12:21,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:12:21,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:12:21,248 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:12:21,248 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:12:21,248 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 05:12:21,248 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:12:21,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:12:21,248 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/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 -> b974f281a213c0803f91ef44d205e442fb2a5f8f [2018-12-02 05:12:21,265 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:12:21,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:12:21,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:12:21,274 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:12:21,274 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:12:21,275 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test23_false-unreach-call.c [2018-12-02 05:12:21,308 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/data/4a933e9fc/6635881ce4d84643849a776b12cce58a/FLAGb58dd85a9 [2018-12-02 05:12:21,645 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:12:21,646 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/sv-benchmarks/c/ldv-regression/test23_false-unreach-call.c [2018-12-02 05:12:21,649 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/data/4a933e9fc/6635881ce4d84643849a776b12cce58a/FLAGb58dd85a9 [2018-12-02 05:12:22,045 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/data/4a933e9fc/6635881ce4d84643849a776b12cce58a [2018-12-02 05:12:22,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:12:22,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:12:22,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:12:22,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:12:22,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:12:22,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6357a878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22, skipping insertion in model container [2018-12-02 05:12:22,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:12:22,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:12:22,159 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:12:22,169 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:12:22,180 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:12:22,191 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:12:22,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22 WrapperNode [2018-12-02 05:12:22,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:12:22,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:12:22,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:12:22,192 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:12:22,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:12:22,248 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:12:22,248 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:12:22,249 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:12:22,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:12:22,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:12:22,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:12:22,265 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:12:22,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:12:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/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 [2018-12-02 05:12:22,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 05:12:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:12:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2018-12-02 05:12:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2018-12-02 05:12:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:12:22,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:12:22,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 05:12:22,471 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:12:22,471 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-02 05:12:22,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:22 BoogieIcfgContainer [2018-12-02 05:12:22,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:12:22,472 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 05:12:22,472 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 05:12:22,479 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 05:12:22,479 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:22" (1/1) ... [2018-12-02 05:12:22,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:12:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:22,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-02 05:12:22,509 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-02 05:12:22,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 05:12:22,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-02 05:12:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-02 05:12:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 05:12:22,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:22,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-12-02 05:12:22,720 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-12-02 05:12:22,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 05:12:22,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:22,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:22,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2018-12-02 05:12:22,939 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2018-12-02 05:12:22,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 05:12:22,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:23,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:23,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:23,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-12-02 05:12:23,152 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-12-02 05:12:23,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 05:12:23,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:23,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2018-12-02 05:12:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2018-12-02 05:12:23,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 05:12:23,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:23,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2018-12-02 05:12:23,754 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2018-12-02 05:12:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 05:12:23,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 59 transitions. [2018-12-02 05:12:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 59 transitions. [2018-12-02 05:12:24,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 05:12:24,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 31 states and 69 transitions. [2018-12-02 05:12:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 69 transitions. [2018-12-02 05:12:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 05:12:24,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:24,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 33 states and 80 transitions. [2018-12-02 05:12:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 80 transitions. [2018-12-02 05:12:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 05:12:24,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 35 states and 92 transitions. [2018-12-02 05:12:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 92 transitions. [2018-12-02 05:12:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 05:12:25,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:25,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:25,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 37 states and 105 transitions. [2018-12-02 05:12:25,693 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 105 transitions. [2018-12-02 05:12:25,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 05:12:25,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:12:25,830 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:12:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:12:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 39 states and 107 transitions. [2018-12-02 05:12:26,194 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 107 transitions. [2018-12-02 05:12:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 05:12:26,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:12:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:12:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:12:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:12:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 05:12:26,281 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2018-12-02 05:12:26,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:12:26 ImpRootNode [2018-12-02 05:12:26,312 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 05:12:26,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:12:26,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:12:26,312 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:12:26,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:22" (3/4) ... [2018-12-02 05:12:26,314 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 05:12:26,362 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_459a93ea-1d98-4be1-a73c-ca6a4844bb7a/bin-2019/ukojak/witness.graphml [2018-12-02 05:12:26,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:12:26,363 INFO L168 Benchmark]: Toolchain (without parser) took 4316.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.0 MB in the beginning and 992.4 MB in the end (delta: -36.4 MB). Peak memory consumption was 115.6 MB. Max. memory is 11.5 GB. [2018-12-02 05:12:26,364 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:12:26,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.40 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:12:26,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:12:26,365 INFO L168 Benchmark]: Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:12:26,366 INFO L168 Benchmark]: RCFGBuilder took 206.98 ms. Allocated memory is still 1.1 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. [2018-12-02 05:12:26,366 INFO L168 Benchmark]: CodeCheck took 3840.04 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 75.4 MB). Peak memory consumption was 126.2 MB. Max. memory is 11.5 GB. [2018-12-02 05:12:26,367 INFO L168 Benchmark]: Witness Printer took 50.62 ms. Allocated memory is still 1.2 GB. Free memory was 998.6 MB in the beginning and 992.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-12-02 05:12:26,370 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. UNSAFE Result, 3.7s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 34816 SDtfs, 2046 SDslu, 0 SDs, 0 SdLazy, 79700 SolverSat, 20470 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3314 GetRequests, 3046 SyntacticMatches, 144 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8282 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 36673 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 24/464 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 50]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] struct dummy d1, d2; [L14] d1.a = __VERIFIER_nondet_int() [L15] d1.b = __VERIFIER_nondet_int() [L17] d2.a = __VERIFIER_nondet_int() [L18] d2.b = __VERIFIER_nondet_int() [L34] CALL, EXPR get_dummy() VAL [d1={9:0}, d2={10:0}] [L23] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L23] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L34] RET, EXPR get_dummy() VAL [d1={9:0}, d2={10:0}] [L34] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L34] CALL, EXPR get_dummy() VAL [d1={9:0}, d2={10:0}] [L23] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L23] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L34] RET, EXPR get_dummy() VAL [d1={9:0}, d2={10:0}] [L34] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L35] int i = __VERIFIER_nondet_int(); [L36] COND TRUE pd1 != 0 && pd1 == pd2 && i >= 0 && i < 10 [L37] pd2->array[i] = i [L38] int *pa = &pd1->array[i]; [L39] EXPR pd2->array[i] [L39] i = pd2->array[i] - 10 [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND TRUE i <= *pa [L41] ++i VAL [d1={9:0}, d2={10:0}] [L40] EXPR \read(*pa) VAL [d1={9:0}, d2={10:0}] [L40] COND FALSE !(i <= *pa) [L28] EXPR s1->array[i] [L28] return s1->array[i] == i; [L43] COND TRUE !check(pd2, i) [L50] __VERIFIER_error() VAL [d1={9:0}, d2={10:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.40 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 206.98 ms. Allocated memory is still 1.1 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 3840.04 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 998.6 MB in the end (delta: 75.4 MB). Peak memory consumption was 126.2 MB. Max. memory is 11.5 GB. * Witness Printer took 50.62 ms. Allocated memory is still 1.2 GB. Free memory was 998.6 MB in the beginning and 992.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...