./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb ..................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:10:02,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:10:02,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:10:02,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:10:02,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:10:02,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:10:02,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:10:02,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:10:02,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:10:02,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:10:02,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:10:02,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:10:02,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:10:02,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:10:02,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:10:02,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:10:02,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:10:02,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:10:02,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:10:02,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:10:02,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:10:02,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:10:02,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:10:02,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:10:02,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:10:02,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:10:02,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:10:02,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:10:02,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:10:02,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:10:02,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:10:02,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:10:02,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:10:02,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:10:02,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:10:02,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:10:02,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:10:02,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:10:02,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:10:02,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:10:02,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:10:02,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:10:02,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:10:02,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:10:02,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:10:02,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:10:02,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:10:02,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:10:02,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:10:02,238 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:10:02,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:10:02,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:10:02,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:10:02,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:10:02,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:10:02,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:10:02,239 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:10:02,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:10:02,240 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:10:02,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:10:02,240 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:10:02,240 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:10:02,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:10:02,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:10:02,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:10:02,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:10:02,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:10:02,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:10:02,242 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:10:02,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:10:02,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:10:02,243 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77902a9f57c297a8e1fc2f1cd5cfc51f597104fb [2020-12-01 18:10:02,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:10:02,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:10:02,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:10:02,621 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:10:02,622 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:10:02,623 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/../../sv-benchmarks/c/ldv-sets/test_add-1.i [2020-12-01 18:10:02,707 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/data/183c3571a/304d7dcc4daa4041bcd64458964d8c59/FLAG995592a60 [2020-12-01 18:10:03,356 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:10:03,356 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/sv-benchmarks/c/ldv-sets/test_add-1.i [2020-12-01 18:10:03,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/data/183c3571a/304d7dcc4daa4041bcd64458964d8c59/FLAG995592a60 [2020-12-01 18:10:03,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/data/183c3571a/304d7dcc4daa4041bcd64458964d8c59 [2020-12-01 18:10:03,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:10:03,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:10:03,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:10:03,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:10:03,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:10:03,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:10:03" (1/1) ... [2020-12-01 18:10:03,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5759431c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:03, skipping insertion in model container [2020-12-01 18:10:03,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:10:03" (1/1) ... [2020-12-01 18:10:03,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:10:03,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:10:04,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:10:04,121 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:10:04,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:10:04,242 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:10:04,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04 WrapperNode [2020-12-01 18:10:04,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:10:04,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:10:04,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:10:04,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:10:04,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:10:04,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:10:04,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:10:04,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:10:04,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... [2020-12-01 18:10:04,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:10:04,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:10:04,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:10:04,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:10:04,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:10:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:10:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:10:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-12-01 18:10:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-12-01 18:10:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:10:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:10:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 18:10:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:10:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-12-01 18:10:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-12-01 18:10:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 18:10:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 18:10:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:10:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:10:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:10:05,081 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:10:05,091 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-12-01 18:10:05,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:10:05 BoogieIcfgContainer [2020-12-01 18:10:05,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:10:05,095 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:10:05,095 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:10:05,107 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:10:05,112 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:10:05" (1/1) ... [2020-12-01 18:10:05,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:10:05,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2020-12-01 18:10:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-12-01 18:10:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:10:05,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:10:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2020-12-01 18:10:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2020-12-01 18:10:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:10:05,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:10:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2020-12-01 18:10:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2020-12-01 18:10:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:10:05,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:05,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:10:06,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2020-12-01 18:10:06,274 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2020-12-01 18:10:06,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:10:06,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:10:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:10:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:10:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 48 transitions. [2020-12-01 18:10:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2020-12-01 18:10:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:10:07,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:10:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:10:07,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:10:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:10:07,587 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:10:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:10:07,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:10:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:10:07,865 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:10:08,156 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2020-12-01 18:10:08,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:10:08 ImpRootNode [2020-12-01 18:10:08,235 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:10:08,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:10:08,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:10:08,236 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:10:08,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:10:05" (3/4) ... [2020-12-01 18:10:08,238 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:10:08,333 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f98db2d5-5e55-4566-9e46-05d2948c3798/bin/ukojak/witness.graphml [2020-12-01 18:10:08,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:10:08,335 INFO L168 Benchmark]: Toolchain (without parser) took 4677.47 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 77.2 MB in the beginning and 92.2 MB in the end (delta: -15.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:08,336 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:10:08,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 584.10 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 51.1 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:08,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.71 ms. Allocated memory is still 107.0 MB. Free memory was 51.0 MB in the beginning and 49.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:08,337 INFO L168 Benchmark]: Boogie Preprocessor took 31.42 ms. Allocated memory is still 107.0 MB. Free memory was 49.1 MB in the beginning and 47.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:08,338 INFO L168 Benchmark]: RCFGBuilder took 758.66 ms. Allocated memory is still 107.0 MB. Free memory was 47.4 MB in the beginning and 55.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:08,338 INFO L168 Benchmark]: CodeCheck took 3139.75 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 55.3 MB in the beginning and 95.3 MB in the end (delta: -40.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:10:08,343 INFO L168 Benchmark]: Witness Printer took 98.57 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 92.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:10:08,348 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 168 SDtfs, 76 SDslu, 32 SDs, 0 SdLazy, 314 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 495 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 7669 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 8/22 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: 562]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L662] struct ldv_list_head s1 = { &(s1), &(s1) }; [L665] int j = __VERIFIER_nondet_int(); [L633] CALL, EXPR ldv_is_in_set(new, s) VAL [\old(e)=-2147458457, s={3567:0}, s1={3567:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=-2147458457, __mptr={3567:0}, e=-2147458457, m={3567:-4}, s={3567:0}, s={3567:0}, s1={3567:0}] [L652] COND FALSE !(&m->list != (s)) [L657] return 0; VAL [\old(e)=-2147458457, \result=0, __mptr={3567:0}, e=-2147458457, m={3567:-4}, s={3567:0}, s={3567:0}, s1={3567:0}] [L633] RET, EXPR ldv_is_in_set(new, s) VAL [s1={3567:0}] [L633] COND TRUE !ldv_is_in_set(new, s) [L634] struct ldv_list_element *le; [L576] void *ptr = malloc(size); [L565] COND FALSE !(!cond) [L578] return ptr; [L635] le = (struct ldv_list_element*)ldv_successful_malloc(sizeof(struct ldv_list_element)) [L636] le->e = new [L605] EXPR head->next VAL [s1={3567:0}] [L605] CALL __ldv_list_add(new, head, head->next) VAL [new={-1:4}, next={3567:0}, prev={3567:0}, s1={3567:0}] [L593] next->prev = new [L594] new->next = next [L595] new->prev = prev [L596] prev->next = new [L605] RET __ldv_list_add(new, head, head->next) VAL [s1={3567:0}] [L667] CALL ldv_is_in_set(j, &s1) VAL [\old(e)=-2147458457, s={3567:0}, s1={3567:0}] [L651] struct ldv_list_element *m; [L652] EXPR (s)->next [L652] const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); [L652] m = ({ const typeof( ((typeof(*m) *)0)->list ) *__mptr = ((s)->next); (typeof(*m) *)( (char *)__mptr - ((size_t) &((typeof(*m) *)0)->list) );}) VAL [\old(e)=-2147458457, __mptr={-1:4}, e=-2147458457, m={-1:0}, s={3567:0}, s={3567:0}, s1={3567:0}] [L652] COND TRUE &m->list != (s) [L653] EXPR m->e VAL [\old(e)=-2147458457, __mptr={-1:4}, e=-2147458457, m={-1:0}, m->e=-2147458457, s={3567:0}, s={3567:0}, s1={3567:0}] [L653] COND TRUE m->e == e [L654] return 1; VAL [\old(e)=-2147458457, \result=1, __mptr={-1:4}, e=-2147458457, m={-1:0}, s={3567:0}, s={3567:0}, s1={3567:0}] [L667] RET ldv_is_in_set(j, &s1) VAL [s1={3567:0}] [L667] COND TRUE ldv_is_in_set(j, &s1) [L562] COND FALSE !(0) VAL [s1={3567:0}] [L562] __assert_fail ("0", "model/ldv.h", 3, __extension__ __PRETTY_FUNCTION__) VAL [s1={3567:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 77.6 MB. Free memory was 44.5 MB in the beginning and 44.5 MB in the end (delta: 75.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 584.10 ms. Allocated memory is still 107.0 MB. Free memory was 77.0 MB in the beginning and 51.1 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.71 ms. Allocated memory is still 107.0 MB. Free memory was 51.0 MB in the beginning and 49.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.42 ms. Allocated memory is still 107.0 MB. Free memory was 49.1 MB in the beginning and 47.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 758.66 ms. Allocated memory is still 107.0 MB. Free memory was 47.4 MB in the beginning and 55.3 MB in the end (delta: -7.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * CodeCheck took 3139.75 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 55.3 MB in the beginning and 95.3 MB in the end (delta: -40.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 98.57 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 92.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...