./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/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 56f043bec3037ec37b4a132611abd4a337934428 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 06:06:06,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:06:06,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:06:06,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:06:06,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:06:06,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:06:06,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:06:06,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:06:06,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:06:06,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:06:06,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:06:06,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:06:06,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:06:06,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:06:06,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:06:06,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:06:06,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:06:06,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:06:06,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:06:06,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:06:06,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:06:06,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:06:06,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:06:06,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:06:06,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:06:06,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:06:06,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:06:06,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:06:06,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:06:06,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:06:06,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:06:06,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:06:06,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:06:06,772 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:06:06,773 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:06:06,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:06:06,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:06:06,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:06:06,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:06:06,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:06:06,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:06:06,775 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 06:06:06,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:06:06,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:06:06,784 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 06:06:06,784 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 06:06:06,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:06:06,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:06:06,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:06:06,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:06:06,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:06:06,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:06:06,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:06:06,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 06:06:06,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:06:06,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 06:06:06,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:06:06,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 06:06:06,786 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:06:06,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 06:06:06,786 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:06:06,786 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:06:06,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:06:06,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:06:06,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:06:06,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:06:06,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:06:06,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 06:06:06,787 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:06:06,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:06:06,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 06:06:06,788 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_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2019-12-02 06:06:06,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:06:06,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:06:06,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:06:06,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:06:06,897 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:06:06,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_11.c [2019-12-02 06:06:06,936 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/data/e62de397d/f08711678caa4364a8e383dc9e7e5612/FLAGdf6d32192 [2019-12-02 06:06:07,346 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:06:07,347 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/sv-benchmarks/c/locks/test_locks_11.c [2019-12-02 06:06:07,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/data/e62de397d/f08711678caa4364a8e383dc9e7e5612/FLAGdf6d32192 [2019-12-02 06:06:07,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/data/e62de397d/f08711678caa4364a8e383dc9e7e5612 [2019-12-02 06:06:07,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:06:07,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:06:07,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:06:07,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:06:07,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:06:07,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fee84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07, skipping insertion in model container [2019-12-02 06:06:07,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:06:07,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:06:07,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:06:07,536 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:06:07,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:06:07,563 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:06:07,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07 WrapperNode [2019-12-02 06:06:07,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:06:07,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:06:07,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:06:07,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:06:07,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:06:07,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:06:07,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:06:07,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:06:07,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:06:07,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:06:07,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:06:07,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:06:07,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:06:07,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:06:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:06:07,932 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:06:07,933 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-02 06:06:07,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:07 BoogieIcfgContainer [2019-12-02 06:06:07,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:06:07,934 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:06:07,934 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:06:07,941 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:06:07,941 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:07" (1/1) ... [2019-12-02 06:06:07,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:06:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2019-12-02 06:06:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2019-12-02 06:06:07,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 06:06:07,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:08,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:08,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2019-12-02 06:06:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2019-12-02 06:06:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:06:08,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:08,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2019-12-02 06:06:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2019-12-02 06:06:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:06:08,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:08,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2019-12-02 06:06:08,315 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2019-12-02 06:06:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:06:08,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:08,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:08,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2019-12-02 06:06:08,548 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2019-12-02 06:06:08,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:06:08,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:08,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2019-12-02 06:06:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2019-12-02 06:06:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:06:08,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:09,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:09,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2019-12-02 06:06:09,061 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2019-12-02 06:06:09,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:06:09,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:09,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:09,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2019-12-02 06:06:09,154 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2019-12-02 06:06:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:06:09,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:09,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2019-12-02 06:06:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2019-12-02 06:06:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:06:09,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-12-02 06:06:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-12-02 06:06:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:06:09,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:10,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:10,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2019-12-02 06:06:10,001 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2019-12-02 06:06:10,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:06:10,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:10,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2019-12-02 06:06:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2019-12-02 06:06:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:06:10,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2019-12-02 06:06:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2019-12-02 06:06:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:06:10,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:10,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:10,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2019-12-02 06:06:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2019-12-02 06:06:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:06:10,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:11,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2019-12-02 06:06:11,385 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2019-12-02 06:06:11,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:06:11,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:11,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2019-12-02 06:06:11,563 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2019-12-02 06:06:11,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:06:11,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:11,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2019-12-02 06:06:11,732 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2019-12-02 06:06:11,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:06:11,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2019-12-02 06:06:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-12-02 06:06:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:06:11,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:12,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:12,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2019-12-02 06:06:12,129 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2019-12-02 06:06:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:06:12,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:12,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:12,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2019-12-02 06:06:12,268 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2019-12-02 06:06:12,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:06:12,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:12,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:13,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2019-12-02 06:06:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2019-12-02 06:06:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:06:13,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:13,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-12-02 06:06:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-12-02 06:06:14,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:06:14,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:14,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:14,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:14,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2019-12-02 06:06:14,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2019-12-02 06:06:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:06:14,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:14,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2019-12-02 06:06:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2019-12-02 06:06:14,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:06:14,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2019-12-02 06:06:14,803 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2019-12-02 06:06:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:06:14,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:14,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2019-12-02 06:06:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2019-12-02 06:06:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:06:14,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:18,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2019-12-02 06:06:18,857 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2019-12-02 06:06:18,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:06:18,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:18,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2019-12-02 06:06:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2019-12-02 06:06:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:06:19,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2019-12-02 06:06:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2019-12-02 06:06:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:06:19,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2019-12-02 06:06:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2019-12-02 06:06:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:19,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:19,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2019-12-02 06:06:19,966 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-12-02 06:06:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:19,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:19,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:20,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:20,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2019-12-02 06:06:20,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-12-02 06:06:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:20,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2019-12-02 06:06:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2019-12-02 06:06:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:20,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:20,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2019-12-02 06:06:20,739 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2019-12-02 06:06:20,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:20,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:26,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:26,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2019-12-02 06:06:26,540 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2019-12-02 06:06:26,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:26,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:26,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2019-12-02 06:06:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2019-12-02 06:06:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:27,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2019-12-02 06:06:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2019-12-02 06:06:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 06:06:27,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:27,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:27,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:27,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2019-12-02 06:06:27,746 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2019-12-02 06:06:27,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:27,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:27,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:28,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2019-12-02 06:06:28,168 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2019-12-02 06:06:28,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:28,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2019-12-02 06:06:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2019-12-02 06:06:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:28,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:28,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2019-12-02 06:06:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-12-02 06:06:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:28,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:28,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2019-12-02 06:06:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2019-12-02 06:06:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:29,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2019-12-02 06:06:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2019-12-02 06:06:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:29,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2019-12-02 06:06:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2019-12-02 06:06:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:35,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:35,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2019-12-02 06:06:35,912 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2019-12-02 06:06:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:35,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2019-12-02 06:06:36,793 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2019-12-02 06:06:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:06:36,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2019-12-02 06:06:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2019-12-02 06:06:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:37,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2019-12-02 06:06:39,145 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2019-12-02 06:06:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:39,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2019-12-02 06:06:39,606 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2019-12-02 06:06:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:39,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2019-12-02 06:06:40,021 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2019-12-02 06:06:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:40,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2019-12-02 06:06:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2019-12-02 06:06:40,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:40,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2019-12-02 06:06:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2019-12-02 06:06:40,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:40,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2019-12-02 06:06:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2019-12-02 06:06:46,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:46,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:46,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:47,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2019-12-02 06:06:47,305 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2019-12-02 06:06:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:47,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2019-12-02 06:06:47,737 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2019-12-02 06:06:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:47,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:47,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:48,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:48,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2019-12-02 06:06:48,279 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2019-12-02 06:06:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-02 06:06:48,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:48,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:48,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:48,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-12-02 06:06:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-12-02 06:06:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:48,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2019-12-02 06:06:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2019-12-02 06:06:49,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:49,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:49,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2019-12-02 06:06:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2019-12-02 06:06:50,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:50,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2019-12-02 06:06:50,620 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2019-12-02 06:06:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:50,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:51,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:51,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2019-12-02 06:06:51,127 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2019-12-02 06:06:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:51,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2019-12-02 06:06:51,594 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2019-12-02 06:06:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:51,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:52,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2019-12-02 06:06:52,731 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2019-12-02 06:06:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:52,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:53,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2019-12-02 06:06:53,574 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2019-12-02 06:06:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:53,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:53,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:54,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2019-12-02 06:06:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-12-02 06:06:54,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:54,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2019-12-02 06:06:55,206 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2019-12-02 06:06:55,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:06:55,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:06:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:06:55,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:06:56,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:06:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2019-12-02 06:06:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2019-12-02 06:06:56,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 06:06:56,051 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2019-12-02 06:06:56,059 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 06:06:56,373 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:06:56,376 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:06:56,376 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 06:06:56,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:06:56 ImpRootNode [2019-12-02 06:06:56,377 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:06:56,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:06:56,377 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:06:56,377 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:06:56,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:07" (3/4) ... [2019-12-02 06:06:56,380 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 06:06:56,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-12-02 06:06:56,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-02 06:06:56,388 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 06:06:56,433 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_511ff4dc-fdaa-4f1e-a7e9-3f7b52b1602d/bin/ukojak/witness.graphml [2019-12-02 06:06:56,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:06:56,434 INFO L168 Benchmark]: Toolchain (without parser) took 49070.59 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 360.7 MB). Free memory was 940.7 MB in the beginning and 890.0 MB in the end (delta: 50.8 MB). Peak memory consumption was 411.5 MB. Max. memory is 11.5 GB. [2019-12-02 06:06:56,434 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:06:56,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-02 06:06:56,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:06:56,435 INFO L168 Benchmark]: Boogie Preprocessor took 15.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:06:56,435 INFO L168 Benchmark]: RCFGBuilder took 324.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-12-02 06:06:56,435 INFO L168 Benchmark]: CodeCheck took 48443.02 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 1.1 GB in the beginning and 904.3 MB in the end (delta: 148.9 MB). Peak memory consumption was 407.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:06:56,436 INFO L168 Benchmark]: Witness Printer took 55.83 ms. Allocated memory is still 1.4 GB. Free memory was 904.3 MB in the beginning and 890.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-12-02 06:06:56,437 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, 30 locations, 1 error locations. Result: SAFE, OverallTime: 48.0s, OverallIterations: 67, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -773195780 SDslu, 0 SDs, 0 SdLazy, -840241160 SolverSat, -1008601092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9060 GetRequests, 8576 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111902 ImplicationChecksByTransitivity, 46.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 891 NumberOfCodeBlocks, 891 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 825 ConstructedInterpolants, 0 QuantifiedInterpolants, 57695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 66 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: 175]: 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: 42]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 324.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * CodeCheck took 48443.02 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 258.5 MB). Free memory was 1.1 GB in the beginning and 904.3 MB in the end (delta: 148.9 MB). Peak memory consumption was 407.4 MB. Max. memory is 11.5 GB. * Witness Printer took 55.83 ms. Allocated memory is still 1.4 GB. Free memory was 904.3 MB in the beginning and 890.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...