./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/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 0.1.23-635dfa2 [2018-12-09 00:01:00,472 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:01:00,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:01:00,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:01:00,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:01:00,479 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:01:00,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:01:00,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:01:00,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:01:00,482 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:01:00,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:01:00,483 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:01:00,483 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:01:00,484 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:01:00,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:01:00,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:01:00,485 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:01:00,486 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:01:00,487 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:01:00,487 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:01:00,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:01:00,489 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:01:00,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:01:00,490 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:01:00,490 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:01:00,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:01:00,491 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:01:00,491 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:01:00,492 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:01:00,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:01:00,493 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:01:00,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:01:00,493 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:01:00,493 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:01:00,494 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:01:00,494 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:01:00,494 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:01:00,502 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:01:00,502 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:01:00,502 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:01:00,502 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:01:00,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:01:00,503 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:01:00,503 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:01:00,503 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:01:00,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:01:00,503 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:01:00,503 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:01:00,503 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:01:00,503 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:01:00,504 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:01:00,504 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:01:00,504 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:01:00,504 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:01:00,505 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:01:00,505 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:01:00,505 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:01:00,505 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:01:00,505 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:01:00,505 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 [2018-12-09 00:01:00,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:01:00,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:01:00,530 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:01:00,531 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:01:00,531 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:01:00,532 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 00:01:00,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/data/abf6a238a/42e5e18a1f3c48fdb50d8f0251c3effe/FLAGb4b695848 [2018-12-09 00:01:00,962 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:01:00,962 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/sv-benchmarks/c/locks/test_locks_10_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 00:01:00,966 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/data/abf6a238a/42e5e18a1f3c48fdb50d8f0251c3effe/FLAGb4b695848 [2018-12-09 00:01:00,974 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/data/abf6a238a/42e5e18a1f3c48fdb50d8f0251c3effe [2018-12-09 00:01:00,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:01:00,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:01:00,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:01:00,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:01:00,979 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:01:00,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:01:00" (1/1) ... [2018-12-09 00:01:00,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a03d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:00, skipping insertion in model container [2018-12-09 00:01:00,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:01:00" (1/1) ... [2018-12-09 00:01:00,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:01:00,996 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:01:01,085 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:01:01,088 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:01:01,103 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:01:01,111 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:01:01,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01 WrapperNode [2018-12-09 00:01:01,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:01:01,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:01:01,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:01:01,111 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:01:01,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:01:01,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:01:01,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:01:01,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:01:01,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:01:01,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:01:01,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:01:01,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:01:01,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:01:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:01:01,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:01:01,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:01:01,466 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:01:01,466 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 00:01:01,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:01 BoogieIcfgContainer [2018-12-09 00:01:01,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:01:01,467 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:01:01,467 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:01:01,477 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:01:01,477 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:01" (1/1) ... [2018-12-09 00:01:01,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:01:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:01,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2018-12-09 00:01:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2018-12-09 00:01:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 00:01:01,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2018-12-09 00:01:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2018-12-09 00:01:01,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 00:01:01,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:01,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2018-12-09 00:01:01,772 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2018-12-09 00:01:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:01:01,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-12-09 00:01:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-12-09 00:01:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 00:01:01,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-12-09 00:01:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-12-09 00:01:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:01:02,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-12-09 00:01:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-12-09 00:01:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:01:02,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:02,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-12-09 00:01:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-12-09 00:01:02,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:01:02,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:02,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-12-09 00:01:02,551 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-12-09 00:01:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:01:02,551 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:02,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:02,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-12-09 00:01:02,637 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-12-09 00:01:02,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:01:02,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:03,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:03,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-12-09 00:01:03,131 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-12-09 00:01:03,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:01:03,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:03,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-12-09 00:01:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-12-09 00:01:03,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:01:03,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2018-12-09 00:01:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2018-12-09 00:01:03,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:01:03,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-12-09 00:01:03,465 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-12-09 00:01:03,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:01:03,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:04,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:04,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-09 00:01:04,201 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-09 00:01:04,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:01:04,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-12-09 00:01:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-12-09 00:01:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:01:04,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-12-09 00:01:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-12-09 00:01:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 00:01:04,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:04,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-12-09 00:01:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-12-09 00:01:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:01:04,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:04,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-12-09 00:01:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-12-09 00:01:04,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:01:04,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:05,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2018-12-09 00:01:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2018-12-09 00:01:05,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:01:05,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:05,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:05,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2018-12-09 00:01:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2018-12-09 00:01:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:01:05,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:05,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-12-09 00:01:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-12-09 00:01:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:01:06,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2018-12-09 00:01:06,173 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2018-12-09 00:01:06,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 00:01:06,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:06,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-12-09 00:01:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-12-09 00:01:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:01:06,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:06,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:06,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-12-09 00:01:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-12-09 00:01:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:01:06,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:06,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2018-12-09 00:01:06,684 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2018-12-09 00:01:06,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:01:06,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:08,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:08,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 45 states and 78 transitions. [2018-12-09 00:01:08,166 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 78 transitions. [2018-12-09 00:01:08,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:01:08,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2018-12-09 00:01:08,324 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2018-12-09 00:01:08,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:01:08,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2018-12-09 00:01:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2018-12-09 00:01:08,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:01:08,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2018-12-09 00:01:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2018-12-09 00:01:08,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:01:08,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-09 00:01:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-09 00:01:09,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:09,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:09,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-12-09 00:01:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-12-09 00:01:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:09,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:09,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:09,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-12-09 00:01:09,638 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-12-09 00:01:09,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:09,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:09,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2018-12-09 00:01:09,848 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2018-12-09 00:01:09,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:09,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2018-12-09 00:01:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2018-12-09 00:01:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:12,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:12,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:12,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-12-09 00:01:12,924 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-12-09 00:01:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:12,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2018-12-09 00:01:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2018-12-09 00:01:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:13,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2018-12-09 00:01:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2018-12-09 00:01:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:01:13,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:13,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:13,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-12-09 00:01:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-12-09 00:01:13,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:13,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-12-09 00:01:14,082 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-12-09 00:01:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:14,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:14,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-12-09 00:01:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-12-09 00:01:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:14,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:14,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-12-09 00:01:14,513 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-12-09 00:01:14,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:14,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:14,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:19,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-12-09 00:01:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-12-09 00:01:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:19,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:20,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2018-12-09 00:01:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2018-12-09 00:01:20,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:20,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:20,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2018-12-09 00:01:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2018-12-09 00:01:20,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:20,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:20,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2018-12-09 00:01:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2018-12-09 00:01:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:20,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:20,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:21,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:21,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2018-12-09 00:01:21,034 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2018-12-09 00:01:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 00:01:21,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:21,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-09 00:01:21,384 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-09 00:01:21,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:21,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:21,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-12-09 00:01:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-12-09 00:01:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:21,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:21,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-09 00:01:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-09 00:01:21,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:21,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:22,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2018-12-09 00:01:22,270 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2018-12-09 00:01:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:22,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2018-12-09 00:01:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2018-12-09 00:01:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:22,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:22,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:22,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-12-09 00:01:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-12-09 00:01:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:22,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:22,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:23,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2018-12-09 00:01:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2018-12-09 00:01:23,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:23,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:23,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:23,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2018-12-09 00:01:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2018-12-09 00:01:23,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:23,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:23,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2018-12-09 00:01:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2018-12-09 00:01:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 00:01:23,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:01:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:01:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:01:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:01:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-12-09 00:01:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-12-09 00:01:24,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:01:24,331 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2018-12-09 00:01:24,336 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:01:24,552 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:01:24,554 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:01:24,554 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:01:24,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:01:24 ImpRootNode [2018-12-09 00:01:24,555 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:01:24,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:01:24,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:01:24,555 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:01:24,555 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:01:01" (3/4) ... [2018-12-09 00:01:24,558 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:01:24,564 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 00:01:24,565 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 00:01:24,565 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:01:24,601 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2252f00f-90aa-4cfc-8489-6b31cac83cc7/bin-2019/ukojak/witness.graphml [2018-12-09 00:01:24,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:01:24,602 INFO L168 Benchmark]: Toolchain (without parser) took 23625.91 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 499.1 MB). Free memory was 959.4 MB in the beginning and 1.4 GB in the end (delta: -399.0 MB). Peak memory consumption was 100.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:24,603 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:01:24,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.10 ms. Allocated memory is still 1.0 GB. Free memory was 959.4 MB in the beginning and 948.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:24,603 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.74 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 943.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:24,604 INFO L168 Benchmark]: Boogie Preprocessor took 46.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:24,604 INFO L168 Benchmark]: RCFGBuilder took 288.24 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:24,604 INFO L168 Benchmark]: CodeCheck took 23087.46 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 379.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -279.0 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-12-09 00:01:24,604 INFO L168 Benchmark]: Witness Printer took 46.40 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:01:24,606 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 39 locations, 1 error locations. SAFE Result, 22.8s OverallTime, 56 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 64508 SDslu, 0 SDs, 0 SdLazy, 320272376 SolverSat, -101057540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7099 GetRequests, 6699 SyntacticMatches, 0 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75511 ImplicationChecksByTransitivity, 21.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.10 ms. Allocated memory is still 1.0 GB. Free memory was 959.4 MB in the beginning and 948.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.74 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 943.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 288.24 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * CodeCheck took 23087.46 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 379.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -279.0 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.40 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...