./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/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 566f1414dafe692faf7ed7456be2d3e7d288640b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 05:00:08,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 05:00:08,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 05:00:08,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 05:00:08,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 05:00:08,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 05:00:08,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 05:00:08,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 05:00:08,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 05:00:08,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 05:00:08,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 05:00:08,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 05:00:08,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 05:00:08,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 05:00:08,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 05:00:08,716 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 05:00:08,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 05:00:08,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 05:00:08,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 05:00:08,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 05:00:08,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 05:00:08,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 05:00:08,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 05:00:08,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 05:00:08,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 05:00:08,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 05:00:08,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 05:00:08,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 05:00:08,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 05:00:08,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 05:00:08,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 05:00:08,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 05:00:08,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 05:00:08,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 05:00:08,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 05:00:08,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 05:00:08,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 05:00:08,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 05:00:08,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 05:00:08,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 05:00:08,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 05:00:08,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 05:00:08,745 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 05:00:08,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 05:00:08,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 05:00:08,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 05:00:08,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 05:00:08,747 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 05:00:08,748 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 05:00:08,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 05:00:08,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 05:00:08,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 05:00:08,748 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 05:00:08,748 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 05:00:08,749 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 05:00:08,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 05:00:08,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 05:00:08,749 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 05:00:08,749 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 05:00:08,750 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 05:00:08,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 05:00:08,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 05:00:08,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 05:00:08,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 05:00:08,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 05:00:08,751 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 05:00:08,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 05:00:08,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/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 -> 566f1414dafe692faf7ed7456be2d3e7d288640b [2019-12-01 05:00:08,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 05:00:08,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 05:00:08,870 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 05:00:08,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 05:00:08,872 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 05:00:08,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memset.c [2019-12-01 05:00:08,919 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/data/dc426760c/cd3ede9cc0f442179170288343686b36/FLAG3e73ae7c3 [2019-12-01 05:00:09,233 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 05:00:09,233 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/sv-benchmarks/c/ldv-memsafety/memset.c [2019-12-01 05:00:09,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/data/dc426760c/cd3ede9cc0f442179170288343686b36/FLAG3e73ae7c3 [2019-12-01 05:00:09,245 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/data/dc426760c/cd3ede9cc0f442179170288343686b36 [2019-12-01 05:00:09,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 05:00:09,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 05:00:09,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 05:00:09,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 05:00:09,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 05:00:09,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408e5454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09, skipping insertion in model container [2019-12-01 05:00:09,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 05:00:09,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 05:00:09,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:00:09,414 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 05:00:09,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 05:00:09,440 INFO L208 MainTranslator]: Completed translation [2019-12-01 05:00:09,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09 WrapperNode [2019-12-01 05:00:09,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 05:00:09,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 05:00:09,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 05:00:09,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 05:00:09,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 05:00:09,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 05:00:09,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 05:00:09,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 05:00:09,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 05:00:09,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 05:00:09,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 05:00:09,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 05:00:09,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/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 [2019-12-01 05:00:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 05:00:09,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 05:00:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 05:00:09,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 05:00:09,650 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 05:00:09,650 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-01 05:00:09,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:00:09 BoogieIcfgContainer [2019-12-01 05:00:09,651 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 05:00:09,652 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 05:00:09,652 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 05:00:09,658 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 05:00:09,658 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:00:09" (1/1) ... [2019-12-01 05:00:09,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 05:00:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-12-01 05:00:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-12-01 05:00:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-12-01 05:00:09,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:09,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:09,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-12-01 05:00:09,798 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-12-01 05:00:09,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 05:00:09,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-12-01 05:00:09,907 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-12-01 05:00:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 05:00:09,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2019-12-01 05:00:10,097 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-12-01 05:00:10,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 05:00:10,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 05:00:10,186 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 05:00:10,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 05:00:10,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2019-12-01 05:00:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2019-12-01 05:00:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 05:00:10,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2019-12-01 05:00:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-01 05:00:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 05:00:10,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2019-12-01 05:00:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2019-12-01 05:00:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 05:00:10,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,501 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2019-12-01 05:00:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2019-12-01 05:00:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 05:00:10,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,626 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-12-01 05:00:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-12-01 05:00:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 05:00:10,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2019-12-01 05:00:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2019-12-01 05:00:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 05:00:10,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:10,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2019-12-01 05:00:10,975 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-12-01 05:00:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 05:00:10,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,025 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:11,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:11,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-12-01 05:00:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-12-01 05:00:11,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 05:00:11,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,140 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2019-12-01 05:00:11,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2019-12-01 05:00:11,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 05:00:11,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:11,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2019-12-01 05:00:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2019-12-01 05:00:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 05:00:11,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,393 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2019-12-01 05:00:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2019-12-01 05:00:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 05:00:11,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,528 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2019-12-01 05:00:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-12-01 05:00:11,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 05:00:11,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:11,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2019-12-01 05:00:11,754 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-12-01 05:00:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-01 05:00:11,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,801 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2019-12-01 05:00:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2019-12-01 05:00:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 05:00:11,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:12,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2019-12-01 05:00:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2019-12-01 05:00:12,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 05:00:12,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:12,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:12,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2019-12-01 05:00:12,226 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2019-12-01 05:00:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 05:00:12,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2019-12-01 05:00:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2019-12-01 05:00:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 05:00:12,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:12,462 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:12,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 27 states and 29 transitions. [2019-12-01 05:00:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2019-12-01 05:00:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 05:00:12,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:12,636 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2019-12-01 05:00:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2019-12-01 05:00:12,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 05:00:12,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:12,837 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2019-12-01 05:00:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2019-12-01 05:00:12,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 05:00:12,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:13,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:13,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2019-12-01 05:00:13,153 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2019-12-01 05:00:13,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-01 05:00:13,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:13,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2019-12-01 05:00:13,348 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2019-12-01 05:00:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 05:00:13,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:13,405 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:13,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:13,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2019-12-01 05:00:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2019-12-01 05:00:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 05:00:13,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:13,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2019-12-01 05:00:13,725 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2019-12-01 05:00:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 05:00:13,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:13,795 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:13,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:13,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2019-12-01 05:00:13,938 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2019-12-01 05:00:13,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-01 05:00:13,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:14,009 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:14,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2019-12-01 05:00:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2019-12-01 05:00:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 05:00:14,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:14,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2019-12-01 05:00:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2019-12-01 05:00:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 05:00:14,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:14,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 37 states and 39 transitions. [2019-12-01 05:00:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2019-12-01 05:00:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 05:00:14,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:14,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 38 states and 40 transitions. [2019-12-01 05:00:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2019-12-01 05:00:14,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 05:00:14,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:14,858 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:15,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:15,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 39 states and 41 transitions. [2019-12-01 05:00:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2019-12-01 05:00:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 05:00:15,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 40 states and 42 transitions. [2019-12-01 05:00:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2019-12-01 05:00:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 05:00:15,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:15,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:15,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 41 states and 43 transitions. [2019-12-01 05:00:15,454 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2019-12-01 05:00:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 05:00:15,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:15,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 42 states and 44 transitions. [2019-12-01 05:00:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2019-12-01 05:00:15,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 05:00:15,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:15,781 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2019-12-01 05:00:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2019-12-01 05:00:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 05:00:15,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:16,026 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2019-12-01 05:00:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2019-12-01 05:00:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 05:00:16,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2019-12-01 05:00:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2019-12-01 05:00:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 05:00:16,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2019-12-01 05:00:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2019-12-01 05:00:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 05:00:16,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:16,789 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 47 states and 49 transitions. [2019-12-01 05:00:16,970 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2019-12-01 05:00:16,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 05:00:16,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 48 states and 50 transitions. [2019-12-01 05:00:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2019-12-01 05:00:17,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 05:00:17,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 49 states and 51 transitions. [2019-12-01 05:00:17,503 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2019-12-01 05:00:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 05:00:17,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:17,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2019-12-01 05:00:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2019-12-01 05:00:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 05:00:17,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:18,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 51 states and 53 transitions. [2019-12-01 05:00:18,061 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2019-12-01 05:00:18,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 05:00:18,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:18,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 52 states and 54 transitions. [2019-12-01 05:00:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2019-12-01 05:00:18,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 05:00:18,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 53 states and 55 transitions. [2019-12-01 05:00:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2019-12-01 05:00:18,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 05:00:18,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:18,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:18,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 54 states and 56 transitions. [2019-12-01 05:00:18,930 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 56 transitions. [2019-12-01 05:00:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 05:00:18,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:19,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 55 states and 57 transitions. [2019-12-01 05:00:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2019-12-01 05:00:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 05:00:19,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:19,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 56 states and 58 transitions. [2019-12-01 05:00:19,540 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2019-12-01 05:00:19,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 05:00:19,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:19,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:19,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2019-12-01 05:00:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2019-12-01 05:00:19,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-01 05:00:19,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 58 states and 60 transitions. [2019-12-01 05:00:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2019-12-01 05:00:20,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-12-01 05:00:20,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:20,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 59 states and 61 transitions. [2019-12-01 05:00:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 61 transitions. [2019-12-01 05:00:20,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 05:00:20,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 60 states and 62 transitions. [2019-12-01 05:00:20,857 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2019-12-01 05:00:20,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 05:00:20,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:21,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 61 states and 63 transitions. [2019-12-01 05:00:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2019-12-01 05:00:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 05:00:21,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 62 states and 64 transitions. [2019-12-01 05:00:21,588 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2019-12-01 05:00:21,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-01 05:00:21,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:21,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:21,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 63 states and 65 transitions. [2019-12-01 05:00:21,922 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2019-12-01 05:00:21,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-01 05:00:21,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:22,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 64 states and 66 transitions. [2019-12-01 05:00:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2019-12-01 05:00:22,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-01 05:00:22,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:22,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:22,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 65 states and 67 transitions. [2019-12-01 05:00:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2019-12-01 05:00:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 05:00:22,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:22,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 66 states and 68 transitions. [2019-12-01 05:00:22,966 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2019-12-01 05:00:22,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 05:00:22,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:23,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:23,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 67 states and 69 transitions. [2019-12-01 05:00:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2019-12-01 05:00:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-01 05:00:23,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:23,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 68 states and 70 transitions. [2019-12-01 05:00:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 70 transitions. [2019-12-01 05:00:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-01 05:00:23,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:24,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 69 states and 71 transitions. [2019-12-01 05:00:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2019-12-01 05:00:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-01 05:00:24,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 70 states and 72 transitions. [2019-12-01 05:00:24,417 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2019-12-01 05:00:24,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 05:00:24,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 71 states and 73 transitions. [2019-12-01 05:00:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2019-12-01 05:00:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-01 05:00:24,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:25,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:25,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 72 states and 74 transitions. [2019-12-01 05:00:25,164 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2019-12-01 05:00:25,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 05:00:25,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:25,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 73 states and 75 transitions. [2019-12-01 05:00:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2019-12-01 05:00:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 05:00:25,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 74 states and 76 transitions. [2019-12-01 05:00:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2019-12-01 05:00:25,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-01 05:00:25,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:26,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:26,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 75 states and 77 transitions. [2019-12-01 05:00:26,323 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2019-12-01 05:00:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-01 05:00:26,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 76 states and 78 transitions. [2019-12-01 05:00:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2019-12-01 05:00:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 05:00:26,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 77 states and 79 transitions. [2019-12-01 05:00:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2019-12-01 05:00:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 05:00:27,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:27,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:27,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 78 states and 80 transitions. [2019-12-01 05:00:27,544 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2019-12-01 05:00:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 05:00:27,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 79 states and 81 transitions. [2019-12-01 05:00:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2019-12-01 05:00:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 05:00:27,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:28,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 80 states and 82 transitions. [2019-12-01 05:00:28,403 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2019-12-01 05:00:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 05:00:28,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:28,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:28,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:28,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 81 states and 83 transitions. [2019-12-01 05:00:28,832 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2019-12-01 05:00:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-12-01 05:00:28,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 82 states and 84 transitions. [2019-12-01 05:00:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2019-12-01 05:00:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 05:00:29,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:29,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 83 states and 85 transitions. [2019-12-01 05:00:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2019-12-01 05:00:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 05:00:29,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:29,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:30,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:30,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 84 states and 86 transitions. [2019-12-01 05:00:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2019-12-01 05:00:30,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 05:00:30,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:30,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 85 states and 87 transitions. [2019-12-01 05:00:30,663 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2019-12-01 05:00:30,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 05:00:30,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:31,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 86 states and 88 transitions. [2019-12-01 05:00:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 88 transitions. [2019-12-01 05:00:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 05:00:31,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 05:00:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:00:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2019-12-01 05:00:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2019-12-01 05:00:31,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 05:00:31,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 05:00:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 05:00:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2019-12-01 05:01:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 05:01:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 86 states and 87 transitions. [2019-12-01 05:01:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2019-12-01 05:01:35,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 05:01:35,380 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2019-12-01 05:01:35,386 INFO L765 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2019-12-01 05:01:35,623 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 9 [2019-12-01 05:01:35,641 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2019-12-01 05:01:35,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,651 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 05:01:35,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:01:35 ImpRootNode [2019-12-01 05:01:35,652 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 05:01:35,653 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 05:01:35,653 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 05:01:35,653 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 05:01:35,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:00:09" (3/4) ... [2019-12-01 05:01:35,655 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 05:01:35,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-12-01 05:01:35,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-01 05:01:35,662 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 05:01:35,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[cstats := \old(unknown-main_\old_#valid-unknown)[cstats]] && \old(unknown-main_\old_#valid-unknown)[cstats] == 0 [2019-12-01 05:01:35,681 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-12-01 05:01:35,688 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2c9c6b66-7420-40bb-8e75-a74e491956bd/bin/ukojak/witness.graphml [2019-12-01 05:01:35,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 05:01:35,690 INFO L168 Benchmark]: Toolchain (without parser) took 86441.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 322.4 MB). Free memory was 947.8 MB in the beginning and 1.3 GB in the end (delta: -307.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2019-12-01 05:01:35,690 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:01:35,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-12-01 05:01:35,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:01:35,691 INFO L168 Benchmark]: Boogie Preprocessor took 13.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 05:01:35,692 INFO L168 Benchmark]: RCFGBuilder took 167.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-01 05:01:35,692 INFO L168 Benchmark]: CodeCheck took 86000.69 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -163.0 MB). Peak memory consumption was 494.8 MB. Max. memory is 11.5 GB. [2019-12-01 05:01:35,693 INFO L168 Benchmark]: Witness Printer took 35.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-12-01 05:01:35,696 INFO L335 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, 9 locations, 3 error locations. Result: SAFE, OverallTime: 85.7s, OverallIterations: 84, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 1290 SolverSat, 326 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39226 GetRequests, 35236 SyntacticMatches, 3318 SemanticMatches, 672 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191394 ImplicationChecksByTransitivity, 81.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 3650 NumberOfCodeBlocks, 3650 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 3567 ConstructedInterpolants, 0 QuantifiedInterpolants, 1047233 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 83 InterpolantComputations, 4 PerfectInterpolantSequences, 3240/88560 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 25]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant [2019-12-01 05:01:35,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[cstats := \old(unknown-main_\old_#valid-unknown)[cstats]] && \old(unknown-main_\old_#valid-unknown)[cstats] == 0 - InvariantResult [Line: 25]: Loop Invariant [2019-12-01 05:01:35,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-01 05:01:35,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 167.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 86000.69 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 189.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -163.0 MB). Peak memory consumption was 494.8 MB. Max. memory is 11.5 GB. * Witness Printer took 35.73 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...