./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test25_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/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 5d33db1882917813547794c8974f871f0a78640e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:40:43,623 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:40:43,624 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:40:43,633 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:40:43,633 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:40:43,634 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:40:43,635 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:40:43,636 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:40:43,637 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:40:43,637 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:40:43,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:40:43,638 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:40:43,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:40:43,639 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:40:43,639 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:40:43,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:40:43,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:40:43,641 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:40:43,642 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:40:43,643 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:40:43,644 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:40:43,645 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:40:43,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:40:43,647 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:40:43,647 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:40:43,647 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:40:43,648 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:40:43,648 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:40:43,649 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:40:43,649 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:40:43,650 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:40:43,650 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:40:43,650 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:40:43,650 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:40:43,651 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:40:43,652 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:40:43,652 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 04:40:43,662 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:40:43,662 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:40:43,663 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:40:43,663 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 04:40:43,663 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 04:40:43,664 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 04:40:43,664 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:40:43,664 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:40:43,664 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:40:43,664 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:40:43,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:40:43,664 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:40:43,664 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:40:43,665 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:40:43,665 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:40:43,665 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:40:43,665 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:40:43,665 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:40:43,665 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 04:40:43,665 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 04:40:43,666 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:40:43,666 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:40:43,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 04:40:43,666 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:40:43,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:40:43,666 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:40:43,666 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 04:40:43,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:40:43,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:40:43,667 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_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/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 -> 5d33db1882917813547794c8974f871f0a78640e [2018-11-23 04:40:43,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:40:43,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:40:43,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:40:43,703 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:40:43,703 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:40:43,703 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test25_true-unreach-call.c [2018-11-23 04:40:43,749 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/data/4e6ad1bb9/1946e743f0084c45996a9dd44805c160/FLAGaddfb2f8b [2018-11-23 04:40:44,146 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:40:44,147 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/sv-benchmarks/c/ldv-regression/test25_true-unreach-call.c [2018-11-23 04:40:44,150 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/data/4e6ad1bb9/1946e743f0084c45996a9dd44805c160/FLAGaddfb2f8b [2018-11-23 04:40:44,160 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/data/4e6ad1bb9/1946e743f0084c45996a9dd44805c160 [2018-11-23 04:40:44,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:40:44,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:40:44,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:40:44,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:40:44,167 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:40:44,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a16ae76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44, skipping insertion in model container [2018-11-23 04:40:44,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:40:44,193 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:40:44,315 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:40:44,323 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:40:44,335 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:40:44,346 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:40:44,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44 WrapperNode [2018-11-23 04:40:44,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:40:44,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:40:44,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:40:44,347 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:40:44,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:40:44,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:40:44,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:40:44,374 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:40:44,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:40:44,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:40:44,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:40:44,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:40:44,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:40:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/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 [2018-11-23 04:40:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 04:40:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 04:40:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:40:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:40:44,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:40:44,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 04:40:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 04:40:44,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 04:40:44,648 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:40:44,648 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 04:40:44,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:44 BoogieIcfgContainer [2018-11-23 04:40:44,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:40:44,648 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 04:40:44,648 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 04:40:44,657 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 04:40:44,657 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:44" (1/1) ... [2018-11-23 04:40:44,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:40:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-11-23 04:40:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-11-23 04:40:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 04:40:44,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-11-23 04:40:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-11-23 04:40:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 04:40:44,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-11-23 04:40:44,919 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-11-23 04:40:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 04:40:44,919 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-23 04:40:45,036 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-23 04:40:45,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 04:40:45,037 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:45,105 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-23 04:40:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-23 04:40:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 04:40:45,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-23 04:40:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-23 04:40:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 04:40:45,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:45,325 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-11-23 04:40:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-23 04:40:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 04:40:45,396 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-23 04:40:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-23 04:40:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 04:40:45,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:45,548 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-11-23 04:40:45,604 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-11-23 04:40:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 04:40:45,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-11-23 04:40:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-11-23 04:40:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 04:40:45,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:45,752 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:40:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:45,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-11-23 04:40:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-11-23 04:40:45,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 04:40:45,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 04:40:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2018-11-23 04:40:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-11-23 04:40:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 04:40:47,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:47,939 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:40:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:48,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-11-23 04:40:48,820 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-11-23 04:40:48,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-23 04:40:48,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 04:40:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2018-11-23 04:40:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2018-11-23 04:40:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-23 04:40:53,158 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 04:40:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:55,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-11-23 04:40:55,451 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-11-23 04:40:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 04:40:55,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:56,760 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 04:40:58,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:58,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-11-23 04:40:58,284 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-11-23 04:40:58,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-23 04:40:58,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:40:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 04:40:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:40:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-11-23 04:40:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-11-23 04:40:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 04:40:59,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:40:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:41:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-11-23 04:41:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-11-23 04:41:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 04:41:01,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:41:02,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2018-11-23 04:41:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2018-11-23 04:41:02,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-23 04:41:02,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:41:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:03,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-11-23 04:41:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-11-23 04:41:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 04:41:03,660 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:41:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2018-11-23 04:41:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2018-11-23 04:41:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 04:41:06,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 04:41:08,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:08,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-11-23 04:41:08,243 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-11-23 04:41:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 04:41:08,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:10,678 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 04:41:12,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:12,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 43 states and 61 transitions. [2018-11-23 04:41:12,771 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 61 transitions. [2018-11-23 04:41:12,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-23 04:41:12,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 04:41:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:41:14,365 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-23 04:41:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 04:41:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2018-11-23 04:41:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2018-11-23 04:41:15,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:41:15,628 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2018-11-23 04:41:15,634 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 04:41:15,797 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2018-11-23 04:41:15,797 INFO L579 CodeCheckObserver]: Invariant with dag size 15 [2018-11-23 04:41:15,801 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,802 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,803 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,803 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,803 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,805 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,805 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,805 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,805 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,805 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,806 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 04:41:15,806 INFO L579 CodeCheckObserver]: Invariant with dag size 20 [2018-11-23 04:41:15,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,807 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,807 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,807 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,808 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,808 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,809 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,809 INFO L579 CodeCheckObserver]: Invariant with dag size 6 [2018-11-23 04:41:15,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 04:41:15 ImpRootNode [2018-11-23 04:41:15,810 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 04:41:15,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:41:15,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:41:15,810 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:41:15,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:40:44" (3/4) ... [2018-11-23 04:41:15,813 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:41:15,820 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 04:41:15,820 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 04:41:15,820 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:41:15,855 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9bc54d1-e48a-43d6-b049-fe8dd69d69e8/bin-2019/ukojak/witness.graphml [2018-11-23 04:41:15,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:41:15,856 INFO L168 Benchmark]: Toolchain (without parser) took 31692.66 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 654.3 MB). Free memory was 959.2 MB in the beginning and 971.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 641.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:41:15,857 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:41:15,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.44 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 944.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:41:15,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.55 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:41:15,857 INFO L168 Benchmark]: Boogie Preprocessor took 54.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:41:15,858 INFO L168 Benchmark]: RCFGBuilder took 219.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:41:15,858 INFO L168 Benchmark]: CodeCheck took 31161.26 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 512.8 MB). Free memory was 1.1 GB in the beginning and 971.8 MB in the end (delta: 142.1 MB). Peak memory consumption was 654.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:41:15,858 INFO L168 Benchmark]: Witness Printer took 45.39 ms. Allocated memory is still 1.7 GB. Free memory is still 971.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:41:15,860 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, 30.9s OverallTime, 24 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 46157824 SDtfs, 19142 SDslu, 0 SDs, 0 SdLazy, 55160684 SolverSat, 46331022 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4450 GetRequests, 3807 SyntacticMatches, 323 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67624 ImplicationChecksByTransitivity, 27.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 13.3s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 103106 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 1 PerfectInterpolantSequences, 442/1226 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: 48]: 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: 37]: Loop Invariant [2018-11-23 04:41:15,861 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,861 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,862 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,862 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,862 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,863 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,863 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,863 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,863 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,863 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: unknown-#memory_int-unknown[#memory_$Pointer$[cont][cont]][#memory_$Pointer$[cont][cont] + 4] == i - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant [2018-11-23 04:41:15,864 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,864 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,864 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,865 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,865 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,865 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2018-11-23 04:41:15,865 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2018-11-23 04:41:15,865 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2018-11-23 04:41:15,866 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 04:41:15,866 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (pa == #memory_$Pointer$[cont][cont] + 4 && i <= unknown-#memory_int-unknown[pa][pa]) && pa == #memory_$Pointer$[cont][cont] - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: array == 0 && 0 <= j * 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.44 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 944.7 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.55 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * CodeCheck took 31161.26 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 512.8 MB). Free memory was 1.1 GB in the beginning and 971.8 MB in the end (delta: 142.1 MB). Peak memory consumption was 654.8 MB. Max. memory is 11.5 GB. * Witness Printer took 45.39 ms. Allocated memory is still 1.7 GB. Free memory is still 971.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ RESULT: Ultimate proved your program to be correct! Received shutdown request...