./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i --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_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/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 ebbfaff6f87d2f170bbf62930cb63938c92c4b2b ............................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:35:05,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:35:05,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:35:05,157 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:35:05,157 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:35:05,158 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:35:05,159 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:35:05,160 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:35:05,161 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:35:05,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:35:05,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:35:05,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:35:05,162 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:35:05,163 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:35:05,163 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:35:05,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:35:05,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:35:05,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:35:05,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:35:05,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:35:05,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:35:05,168 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:35:05,169 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:35:05,170 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:35:05,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:35:05,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:35:05,171 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:35:05,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:35:05,172 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:35:05,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:35:05,173 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:35:05,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:35:05,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:35:05,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:35:05,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:35:05,174 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:35:05,174 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:35:05,182 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:35:05,182 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:35:05,182 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:35:05,183 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:35:05,183 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:35:05,183 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:35:05,183 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:35:05,183 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:35:05,183 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:35:05,183 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:35:05,184 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:35:05,184 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:35:05,185 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:35:05,185 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:35:05,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:35:05,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:35:05,185 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:35:05,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:35:05,185 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:35:05,185 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:35:05,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:35:05,185 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_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/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 -> ebbfaff6f87d2f170bbf62930cb63938c92c4b2b [2018-12-09 00:35:05,203 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:35:05,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:35:05,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:35:05,215 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:35:05,216 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:35:05,216 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/../../sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i [2018-12-09 00:35:05,261 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/data/3773fc497/dbe59ab407ab493889338ef48f2f41b8/FLAGd0b150df6 [2018-12-09 00:35:05,573 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:35:05,573 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/sv-benchmarks/c/heap-data/shared_mem2_true-unreach-call.i [2018-12-09 00:35:05,580 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/data/3773fc497/dbe59ab407ab493889338ef48f2f41b8/FLAGd0b150df6 [2018-12-09 00:35:05,588 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/data/3773fc497/dbe59ab407ab493889338ef48f2f41b8 [2018-12-09 00:35:05,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:35:05,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:35:05,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:35:05,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:35:05,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:35:05,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ceaa519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05, skipping insertion in model container [2018-12-09 00:35:05,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:35:05,617 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:35:05,758 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:35:05,764 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:35:05,831 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:35:05,851 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:35:05,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05 WrapperNode [2018-12-09 00:35:05,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:35:05,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:35:05,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:35:05,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:35:05,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:35:05,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:35:05,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:35:05,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:35:05,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... [2018-12-09 00:35:05,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:35:05,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:35:05,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:35:05,892 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:35:05,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:35:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/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 [2018-12-09 00:35:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:35:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:35:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:35:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 00:35:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 00:35:05,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:35:05,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:35:06,137 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:35:06,137 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 00:35:06,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:06 BoogieIcfgContainer [2018-12-09 00:35:06,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:35:06,138 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:35:06,138 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:35:06,145 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:35:06,145 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:06" (1/1) ... [2018-12-09 00:35:06,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:35:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-12-09 00:35:06,174 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-12-09 00:35:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:35:06,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-09 00:35:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-09 00:35:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:35:06,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:06,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-09 00:35:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-09 00:35:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:35:06,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2018-12-09 00:35:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2018-12-09 00:35:06,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:35:06,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:06,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:07,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:07,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 26 states and 54 transitions. [2018-12-09 00:35:07,013 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 54 transitions. [2018-12-09 00:35:07,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:35:07,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:07,194 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:35:07,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:07,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 30 states and 60 transitions. [2018-12-09 00:35:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 60 transitions. [2018-12-09 00:35:07,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:35:07,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:07,514 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:35:07,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-12-09 00:35:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-12-09 00:35:07,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:35:07,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:08,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2018-12-09 00:35:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2018-12-09 00:35:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:35:08,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:08,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:10,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-12-09 00:35:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-12-09 00:35:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:35:10,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:10,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:35:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 36 states and 74 transitions. [2018-12-09 00:35:11,323 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 74 transitions. [2018-12-09 00:35:11,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:35:11,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:35:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:35:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:35:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:35:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 30 states and 68 transitions. [2018-12-09 00:35:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 68 transitions. [2018-12-09 00:35:11,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:35:11,638 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-09 00:35:11,644 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:35:11,790 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-09 00:35:11,793 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,797 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,797 INFO L583 CodeCheckObserver]: Invariant with dag size 10 [2018-12-09 00:35:11,798 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,798 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,798 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,798 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:35:11 ImpRootNode [2018-12-09 00:35:11,799 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:35:11,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:35:11,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:35:11,799 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:35:11,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:35:06" (3/4) ... [2018-12-09 00:35:11,802 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:35:11,808 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 00:35:11,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:35:11,809 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:35:11,837 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f488c4eb-91e3-4771-8b15-3ea8e5b4ef43/bin-2019/ukojak/witness.graphml [2018-12-09 00:35:11,837 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:35:11,838 INFO L168 Benchmark]: Toolchain (without parser) took 6247.98 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.6 MB). Free memory was 954.9 MB in the beginning and 850.1 MB in the end (delta: 104.8 MB). Peak memory consumption was 398.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:11,839 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:35:11,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:11,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:35:11,839 INFO L168 Benchmark]: Boogie Preprocessor took 15.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:35:11,839 INFO L168 Benchmark]: RCFGBuilder took 246.38 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:11,840 INFO L168 Benchmark]: CodeCheck took 5660.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 207.6 MB). Peak memory consumption was 381.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:11,840 INFO L168 Benchmark]: Witness Printer took 38.24 ms. Allocated memory is still 1.3 GB. Free memory was 859.7 MB in the beginning and 850.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:35:11,841 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 1 procedures, 17 locations, 1 error locations. SAFE Result, 5.4s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8192 SDtfs, 4544 SDslu, 5152 SDs, 0 SdLazy, 30384 SolverSat, 5448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1328 GetRequests, 1188 SyntacticMatches, 28 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5571 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 22410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 17/54 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 - PositiveResult [Line: 590]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 573]: Loop Invariant [2018-12-09 00:35:11,842 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((!(m == list) && !(m == head)) && \valid[m] == 1) && 0 == unknown-#memory_int-unknown[m][m] - InvariantResult [Line: 584]: Loop Invariant [2018-12-09 00:35:11,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,843 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,844 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 00:35:11,844 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[m][m] <= 99 || 100 == unknown-#memory_int-unknown[m][m] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 246.38 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: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * CodeCheck took 5660.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 859.7 MB in the end (delta: 207.6 MB). Peak memory consumption was 381.1 MB. Max. memory is 11.5 GB. * Witness Printer took 38.24 ms. Allocated memory is still 1.3 GB. Free memory was 859.7 MB in the beginning and 850.1 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int RESULT: Ultimate proved your program to be correct! Received shutdown request...