./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0382e9ca8dcc1388e7f0bf52be6824b1c767157 ....................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 21:55:14,855 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 21:55:14,856 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 21:55:14,862 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 21:55:14,863 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 21:55:14,863 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 21:55:14,864 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 21:55:14,865 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 21:55:14,866 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 21:55:14,866 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 21:55:14,867 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 21:55:14,867 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 21:55:14,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 21:55:14,868 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 21:55:14,868 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 21:55:14,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 21:55:14,869 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 21:55:14,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 21:55:14,871 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 21:55:14,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 21:55:14,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 21:55:14,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 21:55:14,874 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 21:55:14,875 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 21:55:14,875 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 21:55:14,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 21:55:14,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 21:55:14,876 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 21:55:14,877 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 21:55:14,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 21:55:14,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 21:55:14,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 21:55:14,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 21:55:14,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 21:55:14,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 21:55:14,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 21:55:14,879 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-01 21:55:14,886 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 21:55:14,886 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 21:55:14,887 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 21:55:14,887 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 21:55:14,887 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 21:55:14,887 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 21:55:14,888 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 21:55:14,889 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 21:55:14,889 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 21:55:14,889 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 21:55:14,889 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 21:55:14,889 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 21:55:14,889 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 21:55:14,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 21:55:14,890 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 21:55:14,890 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 21:55:14,890 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 21:55:14,890 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 21:55:14,890 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_ee837d95-ef04-428d-974c-db2f8e786d48/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> a0382e9ca8dcc1388e7f0bf52be6824b1c767157 [2018-12-01 21:55:14,908 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 21:55:14,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 21:55:14,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 21:55:14,918 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 21:55:14,918 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 21:55:14,919 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i [2018-12-01 21:55:14,954 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/data/ac2780ac2/e148934664ae44879b5323a07668d577/FLAGf76a37daa [2018-12-01 21:55:15,323 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 21:55:15,323 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2_false-valid-free.i [2018-12-01 21:55:15,331 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/data/ac2780ac2/e148934664ae44879b5323a07668d577/FLAGf76a37daa [2018-12-01 21:55:15,687 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/data/ac2780ac2/e148934664ae44879b5323a07668d577 [2018-12-01 21:55:15,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 21:55:15,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 21:55:15,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 21:55:15,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 21:55:15,693 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 21:55:15,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:55:15" (1/1) ... [2018-12-01 21:55:15,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b582ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:15, skipping insertion in model container [2018-12-01 21:55:15,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:55:15" (1/1) ... [2018-12-01 21:55:15,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 21:55:15,737 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 21:55:15,978 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:55:15,989 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 21:55:16,021 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:55:16,053 INFO L195 MainTranslator]: Completed translation [2018-12-01 21:55:16,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16 WrapperNode [2018-12-01 21:55:16,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 21:55:16,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 21:55:16,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 21:55:16,054 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 21:55:16,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 21:55:16,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 21:55:16,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 21:55:16,083 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 21:55:16,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 21:55:16,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 21:55:16,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 21:55:16,098 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 21:55:16,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:55:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/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 [2018-12-01 21:55:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 21:55:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 21:55:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 21:55:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 21:55:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 21:55:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 21:55:16,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 21:55:16,334 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 21:55:16,334 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-12-01 21:55:16,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:55:16 BoogieIcfgContainer [2018-12-01 21:55:16,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 21:55:16,335 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 21:55:16,335 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 21:55:16,342 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 21:55:16,342 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:55:16" (1/1) ... [2018-12-01 21:55:16,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:55:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2018-12-01 21:55:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-12-01 21:55:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 21:55:16,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:16,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2018-12-01 21:55:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2018-12-01 21:55:16,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:55:16,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:16,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2018-12-01 21:55:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-12-01 21:55:16,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:55:16,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:16,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:16,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 31 states and 34 transitions. [2018-12-01 21:55:16,626 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2018-12-01 21:55:16,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:55:16,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:16,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2018-12-01 21:55:16,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-12-01 21:55:16,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:55:16,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:16,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:17,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2018-12-01 21:55:17,330 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2018-12-01 21:55:17,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:55:17,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2018-12-01 21:55:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2018-12-01 21:55:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:55:17,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2018-12-01 21:55:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2018-12-01 21:55:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:55:17,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:18,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2018-12-01 21:55:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2018-12-01 21:55:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 21:55:18,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:18,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:18,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-12-01 21:55:18,511 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-12-01 21:55:18,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 21:55:18,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:18,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2018-12-01 21:55:18,578 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2018-12-01 21:55:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 21:55:18,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:18,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 37 states and 52 transitions. [2018-12-01 21:55:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2018-12-01 21:55:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 21:55:20,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:20,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-12-01 21:55:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-12-01 21:55:21,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 21:55:21,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:21,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-12-01 21:55:22,201 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-12-01 21:55:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 21:55:22,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:23,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 40 states and 55 transitions. [2018-12-01 21:55:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2018-12-01 21:55:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 21:55:23,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:24,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2018-12-01 21:55:24,964 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2018-12-01 21:55:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 21:55:24,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:25,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:26,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2018-12-01 21:55:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2018-12-01 21:55:26,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 21:55:26,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:27,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2018-12-01 21:55:27,323 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2018-12-01 21:55:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 21:55:27,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:27,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2018-12-01 21:55:27,597 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2018-12-01 21:55:27,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 21:55:27,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2018-12-01 21:55:27,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2018-12-01 21:55:27,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 21:55:27,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:27,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2018-12-01 21:55:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2018-12-01 21:55:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 21:55:27,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2018-12-01 21:55:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2018-12-01 21:55:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 21:55:29,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:30,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:30,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 49 transitions. [2018-12-01 21:55:30,212 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 49 transitions. [2018-12-01 21:55:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 21:55:30,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:30,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:30,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2018-12-01 21:55:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2018-12-01 21:55:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 21:55:30,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:30,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:34,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 43 transitions. [2018-12-01 21:55:34,061 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-12-01 21:55:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 21:55:34,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2018-12-01 21:55:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2018-12-01 21:55:34,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 21:55:34,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:35,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2018-12-01 21:55:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-12-01 21:55:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 21:55:38,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:55:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 21:55:39,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:55:39,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-12-01 21:55:39,550 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-12-01 21:55:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 21:55:39,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:55:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:55:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:55:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:55:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 21:55:39,628 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2018-12-01 21:55:39,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:55:39 ImpRootNode [2018-12-01 21:55:39,648 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 21:55:39,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 21:55:39,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 21:55:39,649 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 21:55:39,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:55:16" (3/4) ... [2018-12-01 21:55:39,651 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 21:55:39,683 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ee837d95-ef04-428d-974c-db2f8e786d48/bin-2019/ukojak/witness.graphml [2018-12-01 21:55:39,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 21:55:39,683 INFO L168 Benchmark]: Toolchain (without parser) took 23994.02 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 429.9 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -275.7 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. [2018-12-01 21:55:39,684 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-01 21:55:39,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -98.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-01 21:55:39,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.93 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. [2018-12-01 21:55:39,685 INFO L168 Benchmark]: Boogie Preprocessor took 14.39 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. [2018-12-01 21:55:39,685 INFO L168 Benchmark]: RCFGBuilder took 237.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2018-12-01 21:55:39,685 INFO L168 Benchmark]: CodeCheck took 23313.22 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 341.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -213.2 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. [2018-12-01 21:55:39,686 INFO L168 Benchmark]: Witness Printer took 34.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:55:39,688 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, 36 locations, 13 error locations. UNSAFE Result, 23.2s OverallTime, 28 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 523239424 SDtfs, 1034914964 SDslu, 1330879152 SDs, 0 SdLazy, 1748545156 SolverSat, 682604364 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2090 GetRequests, 1711 SyntacticMatches, 47 SemanticMatches, 332 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53296 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 11767 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1464]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1468] struct A a6; [L1444] int ret = - -3; [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); [L1445] int *p = (int *)ldv_malloc(sizeof(int)); [L1446] COND FALSE !(p==0) [L1435] return __VERIFIER_nondet_int(); [L1448] ret = f6() [L1449] COND FALSE !(ret<0) [L1439] return __VERIFIER_nondet_int(); [L1451] ret = g6() [L1452] COND FALSE !(ret<0) VAL [a6={5:0}, ldv_global_msg_list={6:0}] [L1454] a->p = p VAL [a6={5:0}, ldv_global_msg_list={6:0}] [L1455] free(p) VAL [a6={5:0}, ldv_global_msg_list={6:0}] [L1455] free(p) [L1456] return 0; VAL [a6={5:0}, ldv_global_msg_list={6:0}] [L1472] int ret = probe3_6(&a6); [L1473] COND TRUE ret==0 [L1464] EXPR a->p VAL [a6={5:0}, ldv_global_msg_list={6:0}] [L1464] free(a->p) VAL [a6={5:0}, ldv_global_msg_list={6:0}] [L1464] free(a->p) VAL [a6={5:0}, ldv_global_msg_list={6:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 363.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -98.4 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.93 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 14.39 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 237.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 35.9 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. * CodeCheck took 23313.22 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 341.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -213.2 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. * Witness Printer took 34.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...