./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_13.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_13.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87288fc43230a9d3829930d8a140fe9b3ddaa0e7 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 07:30:33,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 07:30:33,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 07:30:33,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 07:30:33,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 07:30:33,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 07:30:33,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 07:30:33,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 07:30:33,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 07:30:33,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 07:30:33,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 07:30:33,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 07:30:33,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 07:30:33,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 07:30:33,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 07:30:33,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 07:30:33,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 07:30:33,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 07:30:33,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 07:30:33,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 07:30:33,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 07:30:33,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 07:30:33,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 07:30:33,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 07:30:33,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 07:30:33,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 07:30:33,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 07:30:33,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 07:30:33,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 07:30:33,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 07:30:33,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 07:30:33,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 07:30:33,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 07:30:33,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 07:30:33,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 07:30:33,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 07:30:33,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 07:30:33,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 07:30:33,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 07:30:33,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 07:30:33,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 07:30:33,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 07:30:33,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 07:30:33,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 07:30:33,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 07:30:33,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 07:30:33,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 07:30:33,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 07:30:33,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 07:30:33,802 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 07:30:33,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 07:30:33,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 07:30:33,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 07:30:33,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 07:30:33,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 07:30:33,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 07:30:33,803 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 07:30:33,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 07:30:33,804 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 07:30:33,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 07:30:33,804 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 07:30:33,805 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 07:30:33,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 07:30:33,805 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 07:30:33,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 07:30:33,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 07:30:33,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 07:30:33,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 07:30:33,806 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 07:30:33,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 07:30:33,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 07:30:33,807 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_a65205eb-3793-439d-98c1-7bb29e7e443c/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87288fc43230a9d3829930d8a140fe9b3ddaa0e7 [2019-11-20 07:30:34,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 07:30:34,013 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 07:30:34,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 07:30:34,020 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 07:30:34,020 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 07:30:34,022 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_13.c [2019-11-20 07:30:34,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/data/d2b04b282/a49f4a13610c4e10a4b2604987c95e0b/FLAG907cea72d [2019-11-20 07:30:34,521 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 07:30:34,522 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/sv-benchmarks/c/locks/test_locks_13.c [2019-11-20 07:30:34,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/data/d2b04b282/a49f4a13610c4e10a4b2604987c95e0b/FLAG907cea72d [2019-11-20 07:30:34,956 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/data/d2b04b282/a49f4a13610c4e10a4b2604987c95e0b [2019-11-20 07:30:34,959 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 07:30:34,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 07:30:34,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 07:30:34,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 07:30:34,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 07:30:34,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:34" (1/1) ... [2019-11-20 07:30:34,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fc88e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:34, skipping insertion in model container [2019-11-20 07:30:34,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:30:34" (1/1) ... [2019-11-20 07:30:34,977 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 07:30:35,008 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 07:30:35,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:30:35,348 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 07:30:35,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 07:30:35,423 INFO L192 MainTranslator]: Completed translation [2019-11-20 07:30:35,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35 WrapperNode [2019-11-20 07:30:35,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 07:30:35,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 07:30:35,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 07:30:35,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 07:30:35,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 07:30:35,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 07:30:35,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 07:30:35,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 07:30:35,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... [2019-11-20 07:30:35,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 07:30:35,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 07:30:35,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 07:30:35,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 07:30:35,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:30:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/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 [2019-11-20 07:30:35,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 07:30:35,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 07:30:36,498 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 07:30:36,499 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 07:30:36,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:36 BoogieIcfgContainer [2019-11-20 07:30:36,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 07:30:36,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 07:30:36,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 07:30:36,511 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 07:30:36,512 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:36" (1/1) ... [2019-11-20 07:30:36,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 07:30:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2019-11-20 07:30:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2019-11-20 07:30:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 07:30:36,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:36,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2019-11-20 07:30:36,919 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2019-11-20 07:30:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 07:30:36,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2019-11-20 07:30:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2019-11-20 07:30:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 07:30:37,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2019-11-20 07:30:37,450 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2019-11-20 07:30:37,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 07:30:37,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2019-11-20 07:30:38,020 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2019-11-20 07:30:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 07:30:38,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:38,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2019-11-20 07:30:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2019-11-20 07:30:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 07:30:38,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:39,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2019-11-20 07:30:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2019-11-20 07:30:39,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 07:30:39,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-11-20 07:30:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-11-20 07:30:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:30:39,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:39,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:39,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2019-11-20 07:30:39,667 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-11-20 07:30:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:30:39,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2019-11-20 07:30:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-20 07:30:39,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:30:39,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:39,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:41,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2019-11-20 07:30:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2019-11-20 07:30:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 07:30:41,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:41,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2019-11-20 07:30:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2019-11-20 07:30:41,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 07:30:41,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:41,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:41,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2019-11-20 07:30:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2019-11-20 07:30:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 07:30:41,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2019-11-20 07:30:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2019-11-20 07:30:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 07:30:41,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:41,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:42,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:42,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2019-11-20 07:30:42,124 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-20 07:30:42,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 07:30:42,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2019-11-20 07:30:43,721 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2019-11-20 07:30:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 07:30:43,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-11-20 07:30:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-11-20 07:30:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:30:44,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:44,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2019-11-20 07:30:44,522 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2019-11-20 07:30:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:30:44,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:44,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2019-11-20 07:30:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2019-11-20 07:30:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:30:44,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:45,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2019-11-20 07:30:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2019-11-20 07:30:45,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:30:45,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2019-11-20 07:30:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2019-11-20 07:30:47,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:30:47,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:48,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2019-11-20 07:30:48,375 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2019-11-20 07:30:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 07:30:48,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:48,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:48,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-11-20 07:30:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-11-20 07:30:48,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:30:48,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:48,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:49,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:49,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2019-11-20 07:30:49,157 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2019-11-20 07:30:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:30:49,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:49,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2019-11-20 07:30:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2019-11-20 07:30:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:30:49,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:50,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2019-11-20 07:30:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2019-11-20 07:30:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:30:50,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2019-11-20 07:30:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2019-11-20 07:30:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:30:50,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:50,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2019-11-20 07:30:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2019-11-20 07:30:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:30:53,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:53,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2019-11-20 07:30:53,985 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2019-11-20 07:30:53,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 07:30:53,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:54,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:54,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2019-11-20 07:30:54,421 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2019-11-20 07:30:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:30:54,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:54,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:54,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:54,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2019-11-20 07:30:54,992 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2019-11-20 07:30:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:30:54,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2019-11-20 07:30:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2019-11-20 07:30:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:30:55,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:56,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:56,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2019-11-20 07:30:56,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2019-11-20 07:30:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:30:56,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 44 states and 69 transitions. [2019-11-20 07:30:56,530 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 69 transitions. [2019-11-20 07:30:56,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:30:56,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:56,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:30:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:30:57,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2019-11-20 07:30:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2019-11-20 07:30:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:30:57,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:30:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:30:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2019-11-20 07:31:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-11-20 07:31:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:31:01,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:01,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2019-11-20 07:31:01,982 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2019-11-20 07:31:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 07:31:01,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:01,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:02,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2019-11-20 07:31:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2019-11-20 07:31:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:02,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:03,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2019-11-20 07:31:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2019-11-20 07:31:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:03,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:03,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2019-11-20 07:31:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2019-11-20 07:31:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:03,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:04,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2019-11-20 07:31:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2019-11-20 07:31:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:04,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2019-11-20 07:31:04,940 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2019-11-20 07:31:04,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:04,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:04,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:05,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2019-11-20 07:31:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2019-11-20 07:31:05,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:05,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:05,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 56 states and 97 transitions. [2019-11-20 07:31:11,505 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2019-11-20 07:31:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:11,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 57 states and 97 transitions. [2019-11-20 07:31:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2019-11-20 07:31:11,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:11,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:11,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:12,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 97 transitions. [2019-11-20 07:31:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2019-11-20 07:31:12,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 07:31:12,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:13,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:13,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2019-11-20 07:31:13,407 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2019-11-20 07:31:13,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:13,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2019-11-20 07:31:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2019-11-20 07:31:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:14,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:14,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:15,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2019-11-20 07:31:15,061 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2019-11-20 07:31:15,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:15,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:15,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2019-11-20 07:31:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2019-11-20 07:31:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:15,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2019-11-20 07:31:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2019-11-20 07:31:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:16,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 47 states and 73 transitions. [2019-11-20 07:31:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 73 transitions. [2019-11-20 07:31:16,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:16,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2019-11-20 07:31:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2019-11-20 07:31:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:17,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 102 transitions. [2019-11-20 07:31:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2019-11-20 07:31:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:25,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:25,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 102 transitions. [2019-11-20 07:31:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2019-11-20 07:31:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:25,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:26,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:26,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2019-11-20 07:31:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2019-11-20 07:31:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 07:31:26,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2019-11-20 07:31:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2019-11-20 07:31:27,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:27,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:28,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 75 transitions. [2019-11-20 07:31:28,261 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 75 transitions. [2019-11-20 07:31:28,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:28,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:28,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2019-11-20 07:31:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2019-11-20 07:31:29,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:29,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2019-11-20 07:31:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2019-11-20 07:31:29,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:29,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 47 states and 75 transitions. [2019-11-20 07:31:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 75 transitions. [2019-11-20 07:31:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:30,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:30,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:30,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:31,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2019-11-20 07:31:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2019-11-20 07:31:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:31,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 75 transitions. [2019-11-20 07:31:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 75 transitions. [2019-11-20 07:31:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:32,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2019-11-20 07:31:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2019-11-20 07:31:32,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:32,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:33,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:42,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:42,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 107 transitions. [2019-11-20 07:31:42,668 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2019-11-20 07:31:42,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:42,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 63 states and 107 transitions. [2019-11-20 07:31:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 107 transitions. [2019-11-20 07:31:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:43,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 64 states and 107 transitions. [2019-11-20 07:31:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 107 transitions. [2019-11-20 07:31:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 07:31:44,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:45,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 80 transitions. [2019-11-20 07:31:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2019-11-20 07:31:45,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:45,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:45,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2019-11-20 07:31:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2019-11-20 07:31:46,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:46,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:46,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:46,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:47,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2019-11-20 07:31:47,075 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2019-11-20 07:31:47,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:47,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:47,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2019-11-20 07:31:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2019-11-20 07:31:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:47,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:48,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:48,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 77 transitions. [2019-11-20 07:31:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 77 transitions. [2019-11-20 07:31:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:48,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:49,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:49,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 49 states and 77 transitions. [2019-11-20 07:31:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 77 transitions. [2019-11-20 07:31:49,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:49,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2019-11-20 07:31:50,494 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2019-11-20 07:31:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:50,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:31:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:31:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2019-11-20 07:31:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2019-11-20 07:31:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:31:51,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:31:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:31:51,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:03,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2019-11-20 07:32:03,860 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2019-11-20 07:32:03,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:32:03,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:04,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 65 states and 112 transitions. [2019-11-20 07:32:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2019-11-20 07:32:04,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:32:04,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:04,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 66 states and 112 transitions. [2019-11-20 07:32:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 112 transitions. [2019-11-20 07:32:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:32:05,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:06,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 67 states and 112 transitions. [2019-11-20 07:32:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 112 transitions. [2019-11-20 07:32:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 07:32:06,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 47 states and 82 transitions. [2019-11-20 07:32:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 82 transitions. [2019-11-20 07:32:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:07,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2019-11-20 07:32:08,834 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2019-11-20 07:32:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:08,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:08,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:09,598 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-11-20 07:32:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2019-11-20 07:32:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2019-11-20 07:32:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:09,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2019-11-20 07:32:11,274 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2019-11-20 07:32:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:11,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2019-11-20 07:32:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2019-11-20 07:32:12,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:12,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:12,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2019-11-20 07:32:13,247 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2019-11-20 07:32:13,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:13,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:14,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 79 transitions. [2019-11-20 07:32:14,185 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 79 transitions. [2019-11-20 07:32:14,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:14,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2019-11-20 07:32:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2019-11-20 07:32:15,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:15,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:15,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:15,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2019-11-20 07:32:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2019-11-20 07:32:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:15,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2019-11-20 07:32:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2019-11-20 07:32:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:16,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 55 states and 79 transitions. [2019-11-20 07:32:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-20 07:32:17,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:17,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:19,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:19,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 79 transitions. [2019-11-20 07:32:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2019-11-20 07:32:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-20 07:32:19,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 07:32:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 07:32:19,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 07:32:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 07:32:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2019-11-20 07:32:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2019-11-20 07:32:20,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 07:32:20,225 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2019-11-20 07:32:20,235 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 07:32:20,964 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:32:20,968 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:32:20,968 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 07:32:20,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 07:32:20 ImpRootNode [2019-11-20 07:32:20,969 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 07:32:20,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 07:32:20,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 07:32:20,969 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 07:32:20,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:30:36" (3/4) ... [2019-11-20 07:32:20,973 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 07:32:20,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-20 07:32:20,989 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 07:32:20,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 07:32:21,079 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a65205eb-3793-439d-98c1-7bb29e7e443c/bin/ukojak/witness.graphml [2019-11-20 07:32:21,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 07:32:21,081 INFO L168 Benchmark]: Toolchain (without parser) took 106120.28 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 877.7 MB). Free memory was 944.7 MB in the beginning and 832.9 MB in the end (delta: 111.8 MB). Peak memory consumption was 989.5 MB. Max. memory is 11.5 GB. [2019-11-20 07:32:21,082 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:32:21,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -217.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-20 07:32:21,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:32:21,083 INFO L168 Benchmark]: Boogie Preprocessor took 30.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 07:32:21,084 INFO L168 Benchmark]: RCFGBuilder took 971.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. [2019-11-20 07:32:21,084 INFO L168 Benchmark]: CodeCheck took 104468.13 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 706.7 MB). Free memory was 1.1 GB in the beginning and 833.1 MB in the end (delta: 279.3 MB). Peak memory consumption was 986.1 MB. Max. memory is 11.5 GB. [2019-11-20 07:32:21,085 INFO L168 Benchmark]: Witness Printer took 110.49 ms. Allocated memory is still 1.9 GB. Free memory was 833.1 MB in the beginning and 832.9 MB in the end (delta: 186.2 kB). Peak memory consumption was 186.2 kB. Max. memory is 11.5 GB. [2019-11-20 07:32:21,087 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, 34 locations, 1 error locations. Result: SAFE, OverallTime: 103.6s, OverallIterations: 92, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1580195836 SDslu, 0 SDs, 0 SdLazy, -590626824 SolverSat, 1040703484 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 80.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14067 GetRequests, 13391 SyntacticMatches, 0 SemanticMatches, 676 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223210 ImplicationChecksByTransitivity, 99.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1352 NumberOfCodeBlocks, 1352 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 1261 ConstructedInterpolants, 0 QuantifiedInterpolants, 101387 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 91 PerfectInterpolantSequences, 0/0 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: 203]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -217.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 971.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 50.0 MB). Peak memory consumption was 50.0 MB. Max. memory is 11.5 GB. * CodeCheck took 104468.13 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 706.7 MB). Free memory was 1.1 GB in the beginning and 833.1 MB in the end (delta: 279.3 MB). Peak memory consumption was 986.1 MB. Max. memory is 11.5 GB. * Witness Printer took 110.49 ms. Allocated memory is still 1.9 GB. Free memory was 833.1 MB in the beginning and 832.9 MB in the end (delta: 186.2 kB). Peak memory consumption was 186.2 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...