./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-properties/list_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/list_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/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-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59941807ee61f14408f8cb6acb0590ac0607fc0d ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memtrack) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 12:42:08,860 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 12:42:08,861 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 12:42:08,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 12:42:08,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 12:42:08,868 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 12:42:08,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 12:42:08,869 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 12:42:08,870 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 12:42:08,871 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 12:42:08,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 12:42:08,871 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 12:42:08,872 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 12:42:08,873 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 12:42:08,873 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 12:42:08,874 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 12:42:08,874 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 12:42:08,875 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 12:42:08,876 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 12:42:08,877 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 12:42:08,877 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 12:42:08,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 12:42:08,879 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 12:42:08,879 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 12:42:08,879 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 12:42:08,880 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 12:42:08,880 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 12:42:08,881 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 12:42:08,881 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 12:42:08,882 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 12:42:08,882 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 12:42:08,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 12:42:08,883 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 12:42:08,883 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 12:42:08,883 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 12:42:08,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 12:42:08,884 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2018-12-01 12:42:08,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 12:42:08,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 12:42:08,892 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 12:42:08,892 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 12:42:08,893 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 12:42:08,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 12:42:08,893 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 12:42:08,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 12:42:08,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 12:42:08,893 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 12:42:08,893 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 12:42:08,893 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 12:42:08,894 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 12:42:08,894 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 12:42:08,894 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 12:42:08,894 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 12:42:08,894 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 12:42:08,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 12:42:08,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 12:42:08,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 12:42:08,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 12:42:08,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 12:42:08,895 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 12:42:08,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 12:42:08,895 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_20b80345-da56-45c7-adcd-4afe05d8ded1/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-memcleanup) ) 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 -> 59941807ee61f14408f8cb6acb0590ac0607fc0d [2018-12-01 12:42:08,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 12:42:08,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 12:42:08,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 12:42:08,923 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 12:42:08,923 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 12:42:08,923 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/../../sv-benchmarks/c/list-properties/list_false-unreach-call_false-valid-memcleanup.i [2018-12-01 12:42:08,958 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/data/d5b5b23da/afc42ad3074c42d388517d3d9ef06c88/FLAG8fc35913b [2018-12-01 12:42:09,325 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 12:42:09,326 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/sv-benchmarks/c/list-properties/list_false-unreach-call_false-valid-memcleanup.i [2018-12-01 12:42:09,333 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/data/d5b5b23da/afc42ad3074c42d388517d3d9ef06c88/FLAG8fc35913b [2018-12-01 12:42:09,703 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/data/d5b5b23da/afc42ad3074c42d388517d3d9ef06c88 [2018-12-01 12:42:09,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 12:42:09,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 12:42:09,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 12:42:09,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 12:42:09,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 12:42:09,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:09,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e93016c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09, skipping insertion in model container [2018-12-01 12:42:09,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:09,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 12:42:09,737 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 12:42:09,889 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:42:09,926 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 12:42:09,948 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 12:42:09,969 INFO L195 MainTranslator]: Completed translation [2018-12-01 12:42:09,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09 WrapperNode [2018-12-01 12:42:09,970 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 12:42:09,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 12:42:09,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 12:42:09,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 12:42:09,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:09,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:09,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 12:42:09,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 12:42:09,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 12:42:09,997 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 12:42:10,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:10,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:10,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:10,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:10,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:10,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:10,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... [2018-12-01 12:42:10,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 12:42:10,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 12:42:10,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 12:42:10,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 12:42:10,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 12:42:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/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 12:42:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 12:42:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 12:42:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 12:42:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 12:42:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 12:42:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 12:42:10,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 12:42:10,301 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 12:42:10,302 INFO L280 CfgBuilder]: Removed 14 assue(true) statements. [2018-12-01 12:42:10,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:42:10 BoogieIcfgContainer [2018-12-01 12:42:10,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 12:42:10,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 12:42:10,302 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 12:42:10,309 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 12:42:10,309 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:42:10" (1/1) ... [2018-12-01 12:42:10,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 12:42:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 52 states and 62 transitions. [2018-12-01 12:42:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-12-01 12:42:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 12:42:10,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,421 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 12:42:10,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2018-12-01 12:42:10,450 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-12-01 12:42:10,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 12:42:10,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,492 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 12:42:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2018-12-01 12:42:10,620 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2018-12-01 12:42:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 12:42:10,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,634 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 12:42:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 58 states and 70 transitions. [2018-12-01 12:42:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 70 transitions. [2018-12-01 12:42:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 12:42:10,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,651 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 12:42:10,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 61 states and 75 transitions. [2018-12-01 12:42:10,662 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2018-12-01 12:42:10,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 12:42:10,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,679 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 12:42:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2018-12-01 12:42:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2018-12-01 12:42:10,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 12:42:10,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,705 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 12:42:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2018-12-01 12:42:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2018-12-01 12:42:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 12:42:10,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,728 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 12:42:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2018-12-01 12:42:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2018-12-01 12:42:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 12:42:10,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,759 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 12:42:10,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2018-12-01 12:42:10,770 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2018-12-01 12:42:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 12:42:10,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,790 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 12:42:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2018-12-01 12:42:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2018-12-01 12:42:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 12:42:10,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,820 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 12:42:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:10,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2018-12-01 12:42:10,920 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2018-12-01 12:42:10,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 12:42:10,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:10,931 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 12:42:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 109 transitions. [2018-12-01 12:42:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2018-12-01 12:42:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 12:42:11,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,046 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 12:42:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2018-12-01 12:42:11,061 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2018-12-01 12:42:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 12:42:11,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,136 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 12:42:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 77 states and 107 transitions. [2018-12-01 12:42:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 107 transitions. [2018-12-01 12:42:11,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 12:42:11,272 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,286 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 12:42:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 76 states and 106 transitions. [2018-12-01 12:42:11,296 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 106 transitions. [2018-12-01 12:42:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 12:42:11,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,330 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 12:42:11,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 78 states and 109 transitions. [2018-12-01 12:42:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 109 transitions. [2018-12-01 12:42:11,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:42:11,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,352 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 12:42:11,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 110 transitions. [2018-12-01 12:42:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2018-12-01 12:42:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:42:11,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,429 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 12:42:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 80 states and 111 transitions. [2018-12-01 12:42:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2018-12-01 12:42:11,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:42:11,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,541 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 12:42:11,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 110 transitions. [2018-12-01 12:42:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2018-12-01 12:42:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:42:11,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,619 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 12:42:11,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 81 states and 116 transitions. [2018-12-01 12:42:11,843 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2018-12-01 12:42:11,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:42:11,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,851 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 12:42:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 80 states and 115 transitions. [2018-12-01 12:42:11,862 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2018-12-01 12:42:11,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 12:42:11,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,869 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 12:42:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 114 transitions. [2018-12-01 12:42:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2018-12-01 12:42:11,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 12:42:11,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:42:12,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:12,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 73 states and 104 transitions. [2018-12-01 12:42:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2018-12-01 12:42:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 12:42:12,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 12:42:12,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 68 states and 98 transitions. [2018-12-01 12:42:12,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 98 transitions. [2018-12-01 12:42:12,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:42:12,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:12,837 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 12:42:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 67 states and 97 transitions. [2018-12-01 12:42:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 97 transitions. [2018-12-01 12:42:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:42:12,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:12,870 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 12:42:12,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-12-01 12:42:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-12-01 12:42:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:42:12,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:12,887 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 12:42:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2018-12-01 12:42:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2018-12-01 12:42:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 12:42:12,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 12:42:12,961 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 12:42:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 12:42:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 99 transitions. [2018-12-01 12:42:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2018-12-01 12:42:13,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 12:42:13,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 12:42:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:42:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:42:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:42:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 12:42:13,861 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2018-12-01 12:42:13,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 12:42:13 ImpRootNode [2018-12-01 12:42:13,884 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 12:42:13,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 12:42:13,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 12:42:13,885 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 12:42:13,885 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 12:42:10" (3/4) ... [2018-12-01 12:42:13,887 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 12:42:13,924 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_20b80345-da56-45c7-adcd-4afe05d8ded1/bin-2019/ukojak/witness.graphml [2018-12-01 12:42:13,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 12:42:13,925 INFO L168 Benchmark]: Toolchain (without parser) took 4219.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 954.9 MB in the beginning and 1.3 GB in the end (delta: -314.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:42:13,926 INFO L168 Benchmark]: CDTParser took 0.12 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 12:42:13,926 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-01 12:42:13,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2018-12-01 12:42:13,926 INFO L168 Benchmark]: Boogie Preprocessor took 16.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-01 12:42:13,927 INFO L168 Benchmark]: RCFGBuilder took 288.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-12-01 12:42:13,927 INFO L168 Benchmark]: CodeCheck took 3582.41 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:42:13,928 INFO L168 Benchmark]: Witness Printer took 39.56 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 12:42:13,930 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, 65 locations, 25 error locations. UNSAFE Result, 3.5s OverallTime, 28 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 860983376 SDtfs, 728082326 SDslu, 1035553868 SDs, 0 SdLazy, 1860509058 SolverSat, 664353900 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1978 GetRequests, 1843 SyntacticMatches, 41 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3087 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 8309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 6/6 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: 626]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] List a = (List) malloc(sizeof(struct node)); [L628] COND FALSE !(a == 0) [L629] List t; [L630] List p = a; [L631] COND FALSE !(__VERIFIER_nondet_int()) [L638] COND FALSE !(__VERIFIER_nondet_int()) [L645] p->h = 3 [L646] p = a [L647] EXPR p->h [L647] COND FALSE !(p->h == 2) [L649] EXPR p->h [L649] COND FALSE !(p->h == 1) [L651] EXPR p->h [L651] COND FALSE !(p->h != 3) [L653] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 263.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -147.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 288.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 31.5 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * CodeCheck took 3582.41 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 39.56 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...