./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i -s /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/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 31de2fb67e84e52bb7705ac8720e6b139fef2d91 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:19:36,764 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:19:36,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:19:36,774 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:19:36,774 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:19:36,775 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:19:36,776 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:19:36,777 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:19:36,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:19:36,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:19:36,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:19:36,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:19:36,781 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:19:36,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:19:36,782 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:19:36,783 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:19:36,783 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:19:36,785 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:19:36,787 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:19:36,788 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:19:36,789 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:19:36,790 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:19:36,791 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:19:36,792 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:19:36,792 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:19:36,793 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:19:36,794 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:19:36,794 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:19:36,794 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:19:36,795 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:19:36,795 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:19:36,797 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:19:36,797 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:19:36,797 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:19:36,798 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:19:36,798 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:19:36,798 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-18 10:19:36,809 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:19:36,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:19:36,810 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:19:36,810 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:19:36,810 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:19:36,810 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:19:36,810 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:19:36,810 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:19:36,810 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:19:36,811 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 10:19:36,811 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:19:36,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:19:36,812 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:19:36,812 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:19:36,812 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 10:19:36,812 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:19:36,814 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_de2b39c0-bd9f-45d6-80b7-134885d780f8/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 -> 31de2fb67e84e52bb7705ac8720e6b139fef2d91 [2018-11-18 10:19:36,835 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:19:36,847 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:19:36,849 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:19:36,850 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:19:36,851 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:19:36,851 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i [2018-11-18 10:19:36,901 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/data/26031c18e/4e9c775b684d44d6859d404701fd8832/FLAGd3d083ff8 [2018-11-18 10:19:37,274 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:19:37,274 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/sv-benchmarks/c/forester-heap/sll-01_false-unreach-call_false-valid-deref.i [2018-11-18 10:19:37,282 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/data/26031c18e/4e9c775b684d44d6859d404701fd8832/FLAGd3d083ff8 [2018-11-18 10:19:37,290 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/data/26031c18e/4e9c775b684d44d6859d404701fd8832 [2018-11-18 10:19:37,292 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:19:37,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:19:37,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:19:37,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:19:37,297 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:19:37,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b46dd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37, skipping insertion in model container [2018-11-18 10:19:37,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:19:37,347 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:19:37,558 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:19:37,564 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:19:37,599 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:19:37,639 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:19:37,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37 WrapperNode [2018-11-18 10:19:37,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:19:37,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:19:37,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:19:37,641 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:19:37,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:19:37,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:19:37,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:19:37,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:19:37,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... [2018-11-18 10:19:37,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:19:37,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:19:37,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:19:37,779 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:19:37,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:19:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 10:19:37,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 10:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 10:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:19:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:19:37,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:19:38,957 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:19:38,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:19:38 BoogieIcfgContainer [2018-11-18 10:19:38,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:19:38,958 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 10:19:38,958 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 10:19:38,967 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 10:19:38,968 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:19:38" (1/1) ... [2018-11-18 10:19:38,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:19:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 149 states and 188 transitions. [2018-11-18 10:19:39,010 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 188 transitions. [2018-11-18 10:19:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 10:19:39,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 148 states and 187 transitions. [2018-11-18 10:19:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 187 transitions. [2018-11-18 10:19:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 10:19:39,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 147 states and 186 transitions. [2018-11-18 10:19:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2018-11-18 10:19:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 10:19:39,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 147 states and 184 transitions. [2018-11-18 10:19:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 184 transitions. [2018-11-18 10:19:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:19:39,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 146 states and 183 transitions. [2018-11-18 10:19:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 183 transitions. [2018-11-18 10:19:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:19:39,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 145 states and 182 transitions. [2018-11-18 10:19:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 182 transitions. [2018-11-18 10:19:39,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:19:39,820 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 144 states and 181 transitions. [2018-11-18 10:19:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 181 transitions. [2018-11-18 10:19:39,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 10:19:39,875 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 143 states and 180 transitions. [2018-11-18 10:19:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2018-11-18 10:19:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 10:19:39,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:39,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 142 states and 179 transitions. [2018-11-18 10:19:39,987 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2018-11-18 10:19:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 10:19:39,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 141 states and 178 transitions. [2018-11-18 10:19:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 178 transitions. [2018-11-18 10:19:40,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 10:19:40,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 140 states and 177 transitions. [2018-11-18 10:19:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2018-11-18 10:19:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 10:19:40,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:41,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 139 states and 176 transitions. [2018-11-18 10:19:41,341 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 176 transitions. [2018-11-18 10:19:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 10:19:41,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:41,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:41,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 141 states and 177 transitions. [2018-11-18 10:19:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2018-11-18 10:19:41,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 10:19:41,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:41,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 143 states and 179 transitions. [2018-11-18 10:19:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions. [2018-11-18 10:19:41,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:19:41,526 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:41,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 142 states and 178 transitions. [2018-11-18 10:19:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 178 transitions. [2018-11-18 10:19:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 10:19:41,675 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:41,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 141 states and 177 transitions. [2018-11-18 10:19:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 177 transitions. [2018-11-18 10:19:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:19:41,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:43,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:43,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 140 states and 176 transitions. [2018-11-18 10:19:43,290 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 176 transitions. [2018-11-18 10:19:43,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:19:43,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:44,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 139 states and 175 transitions. [2018-11-18 10:19:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 175 transitions. [2018-11-18 10:19:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:19:44,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:44,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:44,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 138 states and 174 transitions. [2018-11-18 10:19:44,386 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 174 transitions. [2018-11-18 10:19:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 10:19:44,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:44,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 137 states and 173 transitions. [2018-11-18 10:19:44,472 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2018-11-18 10:19:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 10:19:44,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:44,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 134 states and 169 transitions. [2018-11-18 10:19:44,747 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2018-11-18 10:19:44,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 10:19:44,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:44,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:45,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 131 states and 166 transitions. [2018-11-18 10:19:45,423 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 166 transitions. [2018-11-18 10:19:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 10:19:45,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:46,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:46,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 134 states and 167 transitions. [2018-11-18 10:19:46,340 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 167 transitions. [2018-11-18 10:19:46,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:19:46,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 144 states and 184 transitions. [2018-11-18 10:19:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 184 transitions. [2018-11-18 10:19:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 10:19:47,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:48,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:48,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 145 states and 185 transitions. [2018-11-18 10:19:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 185 transitions. [2018-11-18 10:19:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:19:48,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 144 states and 184 transitions. [2018-11-18 10:19:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 184 transitions. [2018-11-18 10:19:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 10:19:48,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:48,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:48,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:48,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 143 states and 183 transitions. [2018-11-18 10:19:48,903 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 183 transitions. [2018-11-18 10:19:48,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:19:48,903 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:49,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:49,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:49,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 145 states and 186 transitions. [2018-11-18 10:19:49,806 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 186 transitions. [2018-11-18 10:19:49,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 10:19:49,807 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:50,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 147 states and 189 transitions. [2018-11-18 10:19:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 189 transitions. [2018-11-18 10:19:51,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:19:51,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:54,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 150 states and 192 transitions. [2018-11-18 10:19:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 192 transitions. [2018-11-18 10:19:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:19:54,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:56,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 143 states and 183 transitions. [2018-11-18 10:19:56,946 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 183 transitions. [2018-11-18 10:19:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:19:56,946 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:56,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:56,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 143 states and 180 transitions. [2018-11-18 10:19:56,959 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2018-11-18 10:19:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:19:56,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 151 states and 193 transitions. [2018-11-18 10:19:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 193 transitions. [2018-11-18 10:19:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:19:57,323 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:57,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:57,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:57,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 159 states and 206 transitions. [2018-11-18 10:19:57,853 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 206 transitions. [2018-11-18 10:19:57,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:19:57,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:57,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:19:57,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:19:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 159 states and 205 transitions. [2018-11-18 10:19:57,864 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 205 transitions. [2018-11-18 10:19:57,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:19:57,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:19:57,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:19:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 222 transitions. [2018-11-18 10:20:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2018-11-18 10:20:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 10:20:00,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 172 states and 218 transitions. [2018-11-18 10:20:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2018-11-18 10:20:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:20:00,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:00,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 180 states and 231 transitions. [2018-11-18 10:20:02,034 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 231 transitions. [2018-11-18 10:20:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 10:20:02,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 180 states and 228 transitions. [2018-11-18 10:20:02,047 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions. [2018-11-18 10:20:02,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:20:02,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:02,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:02,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 179 states and 227 transitions. [2018-11-18 10:20:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 227 transitions. [2018-11-18 10:20:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:20:02,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:02,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:02,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:02,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 186 states and 235 transitions. [2018-11-18 10:20:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 235 transitions. [2018-11-18 10:20:02,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:20:02,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:02,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 185 states and 234 transitions. [2018-11-18 10:20:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2018-11-18 10:20:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 10:20:02,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 186 states and 235 transitions. [2018-11-18 10:20:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 235 transitions. [2018-11-18 10:20:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:20:03,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 185 states and 234 transitions. [2018-11-18 10:20:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 234 transitions. [2018-11-18 10:20:07,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:20:07,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 185 states and 230 transitions. [2018-11-18 10:20:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2018-11-18 10:20:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:20:07,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:07,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:07,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 190 states and 238 transitions. [2018-11-18 10:20:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 238 transitions. [2018-11-18 10:20:07,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:20:07,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:08,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:08,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 195 states and 251 transitions. [2018-11-18 10:20:08,278 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 251 transitions. [2018-11-18 10:20:08,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:20:08,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:08,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:08,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 250 transitions. [2018-11-18 10:20:08,330 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2018-11-18 10:20:08,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 10:20:08,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:09,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 249 transitions. [2018-11-18 10:20:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2018-11-18 10:20:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:20:09,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:10,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 206 states and 270 transitions. [2018-11-18 10:20:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 270 transitions. [2018-11-18 10:20:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:20:13,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 208 states and 273 transitions. [2018-11-18 10:20:15,605 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 273 transitions. [2018-11-18 10:20:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:20:15,605 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 210 states and 276 transitions. [2018-11-18 10:20:18,260 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 276 transitions. [2018-11-18 10:20:18,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:20:18,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 212 states and 278 transitions. [2018-11-18 10:20:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 278 transitions. [2018-11-18 10:20:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:20:18,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:18,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 214 states and 280 transitions. [2018-11-18 10:20:18,306 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 280 transitions. [2018-11-18 10:20:18,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:20:18,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:18,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 215 states and 282 transitions. [2018-11-18 10:20:18,871 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 282 transitions. [2018-11-18 10:20:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:20:18,872 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 216 states and 283 transitions. [2018-11-18 10:20:19,668 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 283 transitions. [2018-11-18 10:20:19,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:20:19,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:20,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:26,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 238 states and 317 transitions. [2018-11-18 10:20:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 317 transitions. [2018-11-18 10:20:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:20:26,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:27,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 240 states and 320 transitions. [2018-11-18 10:20:27,283 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 320 transitions. [2018-11-18 10:20:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:20:27,283 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 244 states and 327 transitions. [2018-11-18 10:20:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 327 transitions. [2018-11-18 10:20:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:20:31,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:32,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 246 states and 333 transitions. [2018-11-18 10:20:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 333 transitions. [2018-11-18 10:20:34,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:20:34,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:34,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 245 states and 332 transitions. [2018-11-18 10:20:34,767 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 332 transitions. [2018-11-18 10:20:34,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 10:20:34,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:34,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 244 states and 331 transitions. [2018-11-18 10:20:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 331 transitions. [2018-11-18 10:20:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:20:34,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:37,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:44,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:44,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 258 states and 357 transitions. [2018-11-18 10:20:44,812 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 357 transitions. [2018-11-18 10:20:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:20:44,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:20:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:20:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 272 states and 382 transitions. [2018-11-18 10:20:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 382 transitions. [2018-11-18 10:20:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:20:58,270 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:20:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:20:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:02,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 280 states and 394 transitions. [2018-11-18 10:21:02,005 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 394 transitions. [2018-11-18 10:21:02,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 10:21:02,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:06,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 288 states and 408 transitions. [2018-11-18 10:21:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 408 transitions. [2018-11-18 10:21:06,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:06,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:06,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 301 states and 437 transitions. [2018-11-18 10:21:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 437 transitions. [2018-11-18 10:21:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:10,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:10,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 314 states and 465 transitions. [2018-11-18 10:21:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 465 transitions. [2018-11-18 10:21:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:14,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:15,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 316 states and 468 transitions. [2018-11-18 10:21:15,384 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 468 transitions. [2018-11-18 10:21:15,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:15,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:16,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 318 states and 472 transitions. [2018-11-18 10:21:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 472 transitions. [2018-11-18 10:21:16,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:16,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 320 states and 475 transitions. [2018-11-18 10:21:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 475 transitions. [2018-11-18 10:21:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:16,990 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:17,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:17,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 322 states and 478 transitions. [2018-11-18 10:21:17,593 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 478 transitions. [2018-11-18 10:21:17,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:17,594 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:17,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 324 states and 481 transitions. [2018-11-18 10:21:18,588 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 481 transitions. [2018-11-18 10:21:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:18,589 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:18,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 326 states and 483 transitions. [2018-11-18 10:21:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 483 transitions. [2018-11-18 10:21:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:19,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 326 states and 482 transitions. [2018-11-18 10:21:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 482 transitions. [2018-11-18 10:21:20,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 10:21:20,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:21,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 326 states and 481 transitions. [2018-11-18 10:21:21,145 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 481 transitions. [2018-11-18 10:21:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:21:21,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:35,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 319 states and 472 transitions. [2018-11-18 10:21:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 472 transitions. [2018-11-18 10:21:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:21:35,305 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:40,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:40,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 327 states and 485 transitions. [2018-11-18 10:21:40,658 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 485 transitions. [2018-11-18 10:21:40,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:21:40,659 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:45,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 337 states and 507 transitions. [2018-11-18 10:21:45,700 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 507 transitions. [2018-11-18 10:21:45,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:21:45,700 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:45,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:46,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 339 states and 509 transitions. [2018-11-18 10:21:46,700 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 509 transitions. [2018-11-18 10:21:46,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:21:46,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:47,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 341 states and 512 transitions. [2018-11-18 10:21:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 512 transitions. [2018-11-18 10:21:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 10:21:47,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:48,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:48,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 343 states and 514 transitions. [2018-11-18 10:21:48,533 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 514 transitions. [2018-11-18 10:21:48,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:21:48,534 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:48,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:48,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 342 states and 511 transitions. [2018-11-18 10:21:48,547 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 511 transitions. [2018-11-18 10:21:48,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:21:48,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 345 states and 514 transitions. [2018-11-18 10:21:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 514 transitions. [2018-11-18 10:21:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:21:54,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:21:54,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:21:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 346 states and 516 transitions. [2018-11-18 10:21:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 516 transitions. [2018-11-18 10:21:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:21:54,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:21:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 361 states and 549 transitions. [2018-11-18 10:22:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 549 transitions. [2018-11-18 10:22:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:22:02,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:03,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 363 states and 551 transitions. [2018-11-18 10:22:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 551 transitions. [2018-11-18 10:22:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:22:03,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 365 states and 553 transitions. [2018-11-18 10:22:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 553 transitions. [2018-11-18 10:22:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:22:04,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:05,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:05,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 367 states and 556 transitions. [2018-11-18 10:22:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 556 transitions. [2018-11-18 10:22:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 10:22:05,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:22:08,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 370 states and 560 transitions. [2018-11-18 10:22:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 560 transitions. [2018-11-18 10:22:08,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:08,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:10,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 373 states and 565 transitions. [2018-11-18 10:22:10,609 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 565 transitions. [2018-11-18 10:22:10,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:10,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:12,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:12,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 376 states and 570 transitions. [2018-11-18 10:22:12,926 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 570 transitions. [2018-11-18 10:22:12,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:12,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:20,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 392 states and 602 transitions. [2018-11-18 10:22:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 602 transitions. [2018-11-18 10:22:20,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:20,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:21,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 394 states and 605 transitions. [2018-11-18 10:22:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 605 transitions. [2018-11-18 10:22:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:21,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:21,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:22,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:22,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 396 states and 607 transitions. [2018-11-18 10:22:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 607 transitions. [2018-11-18 10:22:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:22,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:22,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 398 states and 610 transitions. [2018-11-18 10:22:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 610 transitions. [2018-11-18 10:22:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:22,783 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:22:23,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 397 states and 607 transitions. [2018-11-18 10:22:23,114 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 607 transitions. [2018-11-18 10:22:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:22:23,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:23,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:24,378 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:22:27,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:27,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 403 states and 628 transitions. [2018-11-18 10:22:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 628 transitions. [2018-11-18 10:22:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:22:27,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:27,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:22:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 402 states and 627 transitions. [2018-11-18 10:22:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 627 transitions. [2018-11-18 10:22:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:22:27,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 405 states and 632 transitions. [2018-11-18 10:22:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 632 transitions. [2018-11-18 10:22:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:22:30,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:30,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:22:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 407 states and 634 transitions. [2018-11-18 10:22:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 634 transitions. [2018-11-18 10:22:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:22:31,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:31,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 407 states and 630 transitions. [2018-11-18 10:22:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 630 transitions. [2018-11-18 10:22:31,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 10:22:31,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:31,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 406 states and 629 transitions. [2018-11-18 10:22:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 629 transitions. [2018-11-18 10:22:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:22:32,311 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:32,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:45,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:45,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 425 states and 670 transitions. [2018-11-18 10:22:45,805 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 670 transitions. [2018-11-18 10:22:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:22:45,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 427 states and 672 transitions. [2018-11-18 10:22:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 672 transitions. [2018-11-18 10:22:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:22:47,033 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:47,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 429 states and 674 transitions. [2018-11-18 10:22:48,243 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 674 transitions. [2018-11-18 10:22:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:22:48,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 431 states and 677 transitions. [2018-11-18 10:22:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 677 transitions. [2018-11-18 10:22:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:22:49,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:57,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 445 states and 705 transitions. [2018-11-18 10:22:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 705 transitions. [2018-11-18 10:22:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:22:57,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:22:58,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:22:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 447 states and 708 transitions. [2018-11-18 10:22:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 708 transitions. [2018-11-18 10:22:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:22:58,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:22:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:22:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:23:00,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:23:00,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 449 states and 710 transitions. [2018-11-18 10:23:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 710 transitions. [2018-11-18 10:23:00,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 10:23:00,028 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:23:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:23:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 10:23:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 10:23:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 451 states and 712 transitions. [2018-11-18 10:23:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 712 transitions. [2018-11-18 10:23:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 10:23:01,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 10:23:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:23:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:23:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:23:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:23:01,264 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 111 iterations. [2018-11-18 10:23:01,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 10:23:01 ImpRootNode [2018-11-18 10:23:01,298 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 10:23:01,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:23:01,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:23:01,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:23:01,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:19:38" (3/4) ... [2018-11-18 10:23:01,303 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 10:23:01,351 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_de2b39c0-bd9f-45d6-80b7-134885d780f8/bin-2019/ukojak/witness.graphml [2018-11-18 10:23:01,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:23:01,352 INFO L168 Benchmark]: Toolchain (without parser) took 204059.26 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 684.2 MB). Free memory was 959.1 MB in the beginning and 763.6 MB in the end (delta: 195.6 MB). Peak memory consumption was 879.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:01,353 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:23:01,354 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.24 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:01,354 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -226.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:01,354 INFO L168 Benchmark]: Boogie Preprocessor took 33.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:23:01,355 INFO L168 Benchmark]: RCFGBuilder took 1179.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:01,355 INFO L168 Benchmark]: CodeCheck took 202339.98 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 511.2 MB). Free memory was 1.1 GB in the beginning and 763.6 MB in the end (delta: 320.1 MB). Peak memory consumption was 831.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:23:01,356 INFO L168 Benchmark]: Witness Printer took 52.99 ms. Allocated memory is still 1.7 GB. Free memory is still 763.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:23:01,358 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, 179 locations, 65 error locations. UNSAFE Result, 202.2s OverallTime, 111 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1471064064 SDtfs, -968581496 SDslu, 955096980 SDs, 0 SdLazy, -233464156 SolverSat, -122201028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 121.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22184 GetRequests, 20368 SyntacticMatches, 792 SemanticMatches, 1024 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516420 ImplicationChecksByTransitivity, 197.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.6s InterpolantComputationTime, 2884 NumberOfCodeBlocks, 2884 NumberOfCodeBlocksAsserted, 111 NumberOfCheckSat, 2736 ConstructedInterpolants, 0 QuantifiedInterpolants, 583606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 110 InterpolantComputations, 104 PerfectInterpolantSequences, 79/89 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: 1029]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L991] EXPR, FCALL malloc(sizeof(SLL)) [L991] SLL* list = malloc(sizeof(SLL)); [L992] FCALL list->next = ((void*)0) [L993] COND FALSE !(!(list != ((void*)0))) [L993] COND FALSE !(0) [L993] COND FALSE !(__VERIFIER_nondet_int()) [L993] EXPR, FCALL malloc(sizeof(SLL)) [L993] FCALL list->inner = malloc(sizeof(SLL)) [L993] EXPR, FCALL list->inner [L993] FCALL list->inner->next = ((void*)0) [L993] EXPR, FCALL list->inner [L993] FCALL list->inner->inner = ((void*)0) [L993] EXPR, FCALL list->inner [L993] EXPR list->inner != ((void*)0) || list->inner == ((void*)0) [L993] COND FALSE !(!(list->inner != ((void*)0) || list->inner == ((void*)0))) [L993] COND FALSE !(0) [L995] SLL* end = list; [L998] COND FALSE !(__VERIFIER_nondet_int()) [L1008] end = ((void*)0) [L1009] end = list [L1012] COND FALSE !(!(((void*)0) != end)) [L1012] COND FALSE !(0) [L1014] COND TRUE ((void*)0) != end [L1016] int len = 0; [L1017] EXPR, FCALL end->inner [L1017] SLL* inner = end->inner; [L1018] COND TRUE ((void*)0) != inner [L1020] COND TRUE len == 0 [L1021] len = 1 [L1024] COND FALSE !(!(((void*)0) != inner)) [L1024] COND FALSE !(0) [L1025] EXPR, FCALL inner->inner [L1025] COND FALSE !(!(((void*)0) == inner->inner)) [L1025] COND FALSE !(0) [L1026] EXPR, FCALL inner->next [L1026] COND FALSE !(!(((void*)0) == inner->next)) [L1026] COND FALSE !(0) [L1027] EXPR, FCALL inner->inner [L1027] inner = inner->inner [L1028] COND TRUE len == 1 [L1029] FCALL inner->inner * 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 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.24 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 937.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.0 MB). Free memory was 937.6 MB in the beginning and 1.2 GB in the end (delta: -226.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1179.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 11.5 GB. * CodeCheck took 202339.98 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 511.2 MB). Free memory was 1.1 GB in the beginning and 763.6 MB in the end (delta: 320.1 MB). Peak memory consumption was 831.3 MB. Max. memory is 11.5 GB. * Witness Printer took 52.99 ms. Allocated memory is still 1.7 GB. Free memory is still 763.6 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...