./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_10.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_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/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 0f7b0b589689413087c164ce10eb80c902ee4046 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:50:21,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:50:21,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:50:21,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:50:21,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:50:21,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:50:21,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:50:21,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:50:21,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:50:21,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:50:21,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:50:21,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:50:21,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:50:21,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:50:21,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:50:21,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:50:21,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:50:21,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:50:21,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:50:21,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:50:21,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:50:21,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:50:21,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:50:21,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:50:21,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:50:21,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:50:21,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:50:21,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:50:21,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:50:21,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:50:21,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:50:21,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:50:21,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:50:21,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:50:21,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:50:21,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:50:21,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:50:21,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:50:21,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:50:21,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:50:21,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:50:21,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:50:21,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:50:21,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:50:21,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:50:21,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:50:21,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:50:21,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:50:21,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:50:21,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:50:21,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:50:21,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:50:21,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:50:21,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:50:21,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:50:21,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:50:21,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:50:21,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:50:21,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:50:21,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:50:21,530 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:50:21,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:50:21,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:50:21,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:50:21,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:50:21,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:50:21,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:50:21,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:50:21,531 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:50:21,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:50:21,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:50:21,532 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_d50463de-a32f-45c3-a96f-eaf0a7904877/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 -> 0f7b0b589689413087c164ce10eb80c902ee4046 [2019-11-20 10:50:21,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:50:21,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:50:21,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:50:21,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:50:21,692 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:50:21,693 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_10.c [2019-11-20 10:50:21,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/data/4d32c6b93/9112a0eb95a641ed9b3331a075328343/FLAG3852ebf09 [2019-11-20 10:50:22,099 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:50:22,100 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/sv-benchmarks/c/locks/test_locks_10.c [2019-11-20 10:50:22,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/data/4d32c6b93/9112a0eb95a641ed9b3331a075328343/FLAG3852ebf09 [2019-11-20 10:50:22,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/data/4d32c6b93/9112a0eb95a641ed9b3331a075328343 [2019-11-20 10:50:22,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:50:22,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:50:22,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:50:22,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:50:22,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:50:22,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca43a0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22, skipping insertion in model container [2019-11-20 10:50:22,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:50:22,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:50:22,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:50:22,740 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:50:22,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:50:22,889 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:50:22,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22 WrapperNode [2019-11-20 10:50:22,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:50:22,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:50:22,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:50:22,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:50:22,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:50:22,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:50:22,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:50:22,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:50:22,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,943 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... [2019-11-20 10:50:22,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:50:22,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:50:22,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:50:22,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:50:22,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/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 10:50:23,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:50:23,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:50:23,490 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:50:23,490 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 10:50:23,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:23 BoogieIcfgContainer [2019-11-20 10:50:23,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:50:23,492 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:50:23,492 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:50:23,502 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:50:23,502 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:23" (1/1) ... [2019-11-20 10:50:23,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:50:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:23,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2019-11-20 10:50:23,539 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2019-11-20 10:50:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-20 10:50:23,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:23,695 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 10:50:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2019-11-20 10:50:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2019-11-20 10:50:23,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 10:50:23,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:23,833 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 10:50:24,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2019-11-20 10:50:24,008 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2019-11-20 10:50:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:50:24,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:24,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:24,094 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 10:50:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2019-11-20 10:50:24,444 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2019-11-20 10:50:24,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-20 10:50:24,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:24,473 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 10:50:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2019-11-20 10:50:24,604 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2019-11-20 10:50:24,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:50:24,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:24,700 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 10:50:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:25,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-11-20 10:50:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-11-20 10:50:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:50:25,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:25,439 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 10:50:25,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:25,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2019-11-20 10:50:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-11-20 10:50:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 10:50:25,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:25,590 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 10:50:25,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:25,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2019-11-20 10:50:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2019-11-20 10:50:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:50:25,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:25,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:25,761 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 10:50:25,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:25,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2019-11-20 10:50:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2019-11-20 10:50:25,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:50:25,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:26,003 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 10:50:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:26,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2019-11-20 10:50:26,911 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2019-11-20 10:50:26,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:50:26,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:26,928 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 10:50:27,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:27,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2019-11-20 10:50:27,079 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2019-11-20 10:50:27,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 10:50:27,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:27,097 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 10:50:27,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2019-11-20 10:50:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2019-11-20 10:50:27,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:50:27,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:27,314 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 10:50:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2019-11-20 10:50:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2019-11-20 10:50:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:50:27,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:27,606 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 10:50:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-11-20 10:50:28,672 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-11-20 10:50:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:50:28,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:28,694 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 10:50:28,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2019-11-20 10:50:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2019-11-20 10:50:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:50:28,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:28,931 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 10:50:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:29,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2019-11-20 10:50:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2019-11-20 10:50:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 10:50:29,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:29,246 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 10:50:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:29,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2019-11-20 10:50:29,506 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2019-11-20 10:50:29,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:50:29,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:29,518 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 10:50:29,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:29,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2019-11-20 10:50:29,733 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2019-11-20 10:50:29,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:50:29,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:29,883 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 10:50:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2019-11-20 10:50:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2019-11-20 10:50:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:50:31,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:31,665 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 10:50:31,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2019-11-20 10:50:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2019-11-20 10:50:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:50:31,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:31,894 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 10:50:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:32,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2019-11-20 10:50:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2019-11-20 10:50:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:50:32,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:32,140 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 10:50:32,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:32,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2019-11-20 10:50:32,436 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2019-11-20 10:50:32,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:50:32,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:32,448 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 10:50:32,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-11-20 10:50:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-11-20 10:50:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:50:32,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:32,778 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 10:50:33,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:33,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2019-11-20 10:50:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2019-11-20 10:50:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:50:33,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:33,136 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 10:50:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:33,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2019-11-20 10:50:33,379 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2019-11-20 10:50:33,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:50:33,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:33,542 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 10:50:35,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2019-11-20 10:50:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2019-11-20 10:50:35,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:50:35,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:35,892 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 10:50:36,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2019-11-20 10:50:36,203 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2019-11-20 10:50:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:50:36,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:36,215 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 10:50:36,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2019-11-20 10:50:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2019-11-20 10:50:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:50:36,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:36,532 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 10:50:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:36,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2019-11-20 10:50:36,873 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2019-11-20 10:50:36,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 10:50:36,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:36,886 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 10:50:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2019-11-20 10:50:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2019-11-20 10:50:37,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:37,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:37,277 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 10:50:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2019-11-20 10:50:37,622 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2019-11-20 10:50:37,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:37,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:37,632 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 10:50:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2019-11-20 10:50:37,968 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2019-11-20 10:50:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:37,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:37,978 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 10:50:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2019-11-20 10:50:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2019-11-20 10:50:38,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:38,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:38,692 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 10:50:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2019-11-20 10:50:41,922 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2019-11-20 10:50:41,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:41,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:41,931 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 10:50:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2019-11-20 10:50:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2019-11-20 10:50:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:42,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:42,295 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 10:50:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2019-11-20 10:50:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2019-11-20 10:50:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:42,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:42,661 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 10:50:43,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2019-11-20 10:50:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2019-11-20 10:50:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:50:43,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:43,112 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 10:50:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2019-11-20 10:50:43,687 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2019-11-20 10:50:43,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:43,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:43,697 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 10:50:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:44,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2019-11-20 10:50:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2019-11-20 10:50:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:44,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:44,259 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 10:50:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:44,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2019-11-20 10:50:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-11-20 10:50:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:44,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:44,645 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 10:50:45,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2019-11-20 10:50:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2019-11-20 10:50:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:45,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:45,327 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 10:50:49,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2019-11-20 10:50:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2019-11-20 10:50:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:49,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:49,923 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 10:50:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2019-11-20 10:50:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2019-11-20 10:50:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:50,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:50,370 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 10:50:50,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-11-20 10:50:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-11-20 10:50:50,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:50,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:50,824 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 10:50:51,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2019-11-20 10:50:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2019-11-20 10:50:51,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:51,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:51,312 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 10:50:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2019-11-20 10:50:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2019-11-20 10:50:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 10:50:51,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:51,864 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 10:50:52,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:52,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-11-20 10:50:52,400 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-11-20 10:50:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:52,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:52,409 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 10:50:52,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2019-11-20 10:50:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2019-11-20 10:50:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:52,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:52,925 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 10:50:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2019-11-20 10:50:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2019-11-20 10:50:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:53,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:53,437 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 10:50:53,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2019-11-20 10:50:53,878 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2019-11-20 10:50:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:53,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:53,886 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 10:50:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2019-11-20 10:50:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2019-11-20 10:50:54,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:54,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:54,351 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 10:50:54,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:54,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2019-11-20 10:50:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2019-11-20 10:50:54,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:54,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:54,783 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 10:50:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:55,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2019-11-20 10:50:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2019-11-20 10:50:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:55,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:55,377 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 10:50:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2019-11-20 10:50:55,892 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2019-11-20 10:50:55,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:55,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:55,900 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 10:50:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2019-11-20 10:50:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2019-11-20 10:50:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-20 10:50:56,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:50:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:50:56,546 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 10:50:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:50:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2019-11-20 10:50:57,223 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-11-20 10:50:57,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:50:57,224 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2019-11-20 10:50:57,231 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:50:57,588 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:50:57,591 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:50:57,591 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:50:57,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:50:57 ImpRootNode [2019-11-20 10:50:57,591 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:50:57,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:50:57,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:50:57,592 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:50:57,592 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:50:23" (3/4) ... [2019-11-20 10:50:57,594 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:50:57,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-11-20 10:50:57,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 10:50:57,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:50:57,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d50463de-a32f-45c3-a96f-eaf0a7904877/bin/ukojak/witness.graphml [2019-11-20 10:50:57,672 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:50:57,676 INFO L168 Benchmark]: Toolchain (without parser) took 35203.39 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 453.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 294.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:50:57,677 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:50:57,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:50:57,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:50:57,679 INFO L168 Benchmark]: Boogie Preprocessor took 23.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:50:57,679 INFO L168 Benchmark]: RCFGBuilder took 538.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:50:57,679 INFO L168 Benchmark]: CodeCheck took 34099.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 297.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.0 MB). Peak memory consumption was 284.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:50:57,680 INFO L168 Benchmark]: Witness Printer took 82.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:50:57,682 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, 28 locations, 1 error locations. Result: SAFE, OverallTime: 33.7s, OverallIterations: 56, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 64508 SDslu, 0 SDs, 0 SdLazy, 320272376 SolverSat, -101057540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7099 GetRequests, 6699 SyntacticMatches, 0 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75511 ImplicationChecksByTransitivity, 31.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 705 NumberOfCodeBlocks, 705 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 42050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 55 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: 161]: 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: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 416.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -199.1 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 538.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * CodeCheck took 34099.36 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 297.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -13.0 MB). Peak memory consumption was 284.3 MB. Max. memory is 11.5 GB. * Witness Printer took 82.79 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...