./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_11_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_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/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 56f043bec3037ec37b4a132611abd4a337934428 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:41:12,291 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:41:12,292 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:41:12,298 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:41:12,298 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:41:12,299 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:41:12,299 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:41:12,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:41:12,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:41:12,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:41:12,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:41:12,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:41:12,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:41:12,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:41:12,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:41:12,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:41:12,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:41:12,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:41:12,307 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:41:12,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:41:12,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:41:12,309 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:41:12,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:41:12,310 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:41:12,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:41:12,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:41:12,311 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:41:12,312 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:41:12,312 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:41:12,313 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:41:12,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:41:12,313 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:41:12,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:41:12,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:41:12,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:41:12,315 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:41:12,315 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 10:41:12,323 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:41:12,323 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:41:12,323 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:41:12,323 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 10:41:12,324 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:41:12,324 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:41:12,324 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:41:12,324 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:41:12,325 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:41:12,326 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:41:12,326 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:41:12,326 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 10:41:12,326 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 10:41:12,326 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:41:12,326 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:41:12,326 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:41:12,327 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:41:12,327 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:41:12,327 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:41:12,327 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 10:41:12,327 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:41:12,327 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:41:12,327 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_23ca64d3-94e6-421d-836a-1af074f410c1/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2018-12-09 10:41:12,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:41:12,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:41:12,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:41:12,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:41:12,354 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:41:12,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 10:41:12,388 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/data/7024cae2a/9861dc4a7fcd463da6c15834d9c532c2/FLAG1fae2f7b1 [2018-12-09 10:41:12,778 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:41:12,779 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-12-09 10:41:12,783 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/data/7024cae2a/9861dc4a7fcd463da6c15834d9c532c2/FLAG1fae2f7b1 [2018-12-09 10:41:12,790 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/data/7024cae2a/9861dc4a7fcd463da6c15834d9c532c2 [2018-12-09 10:41:12,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:41:12,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:41:12,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:41:12,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:41:12,795 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:41:12,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12, skipping insertion in model container [2018-12-09 10:41:12,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:41:12,812 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:41:12,901 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:41:12,903 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:41:12,918 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:41:12,925 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:41:12,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12 WrapperNode [2018-12-09 10:41:12,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:41:12,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:41:12,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:41:12,926 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:41:12,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:41:12,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:41:12,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:41:12,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:41:12,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... [2018-12-09 10:41:12,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:41:12,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:41:12,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:41:12,989 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:41:12,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:41:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/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 10:41:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:41:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:41:13,280 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:41:13,281 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-09 10:41:13,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:41:13 BoogieIcfgContainer [2018-12-09 10:41:13,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:41:13,282 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 10:41:13,282 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 10:41:13,292 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 10:41:13,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:41:13" (1/1) ... [2018-12-09 10:41:13,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:41:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:13,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2018-12-09 10:41:13,329 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2018-12-09 10:41:13,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 10:41:13,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:13,445 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 10:41:13,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2018-12-09 10:41:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2018-12-09 10:41:13,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 10:41:13,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:13,535 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 10:41:13,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:13,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-12-09 10:41:13,630 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-12-09 10:41:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 10:41:13,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:13,651 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 10:41:13,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:13,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2018-12-09 10:41:13,693 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2018-12-09 10:41:13,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 10:41:13,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:13,727 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 10:41:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2018-12-09 10:41:13,876 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2018-12-09 10:41:13,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 10:41:13,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:13,890 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 10:41:13,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:13,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-12-09 10:41:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-12-09 10:41:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 10:41:13,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:14,013 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 10:41:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-12-09 10:41:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-12-09 10:41:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 10:41:14,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:14,324 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 10:41:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-12-09 10:41:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-12-09 10:41:14,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 10:41:14,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:14,397 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 10:41:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-12-09 10:41:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-12-09 10:41:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 10:41:14,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:14,524 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 10:41:14,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:14,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-09 10:41:14,949 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-09 10:41:14,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 10:41:14,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:14,957 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 10:41:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-12-09 10:41:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-12-09 10:41:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 10:41:15,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:15,044 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 10:41:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-12-09 10:41:15,127 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-12-09 10:41:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 10:41:15,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:15,134 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 10:41:15,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:15,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-12-09 10:41:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-12-09 10:41:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 10:41:15,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:15,261 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 10:41:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-12-09 10:41:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-12-09 10:41:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 10:41:15,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:15,406 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 10:41:16,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:16,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-12-09 10:41:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-12-09 10:41:16,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 10:41:16,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:16,057 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 10:41:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2018-12-09 10:41:16,169 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2018-12-09 10:41:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 10:41:16,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:16,176 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 10:41:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-12-09 10:41:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-12-09 10:41:16,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 10:41:16,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:16,294 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 10:41:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-12-09 10:41:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-12-09 10:41:16,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 10:41:16,437 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:16,443 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 10:41:16,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:16,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-12-09 10:41:16,573 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-12-09 10:41:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 10:41:16,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:16,579 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 10:41:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:16,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-12-09 10:41:16,680 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-12-09 10:41:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 10:41:16,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:16,750 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 10:41:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:17,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-12-09 10:41:17,709 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-12-09 10:41:17,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 10:41:17,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:17,716 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 10:41:17,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:17,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-12-09 10:41:17,890 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-12-09 10:41:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 10:41:17,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:17,898 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 10:41:18,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:18,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-12-09 10:41:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-12-09 10:41:18,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:41:18,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:18,058 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 10:41:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-12-09 10:41:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-12-09 10:41:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:41:18,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:18,250 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 10:41:18,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:18,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-12-09 10:41:18,401 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-12-09 10:41:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:41:18,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:18,406 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 10:41:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:18,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2018-12-09 10:41:18,556 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2018-12-09 10:41:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:41:18,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:18,645 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 10:41:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-12-09 10:41:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-12-09 10:41:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:41:20,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:20,175 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 10:41:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-12-09 10:41:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-12-09 10:41:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:41:20,340 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:20,346 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 10:41:20,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:20,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-12-09 10:41:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-12-09 10:41:20,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:41:20,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:20,537 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 10:41:20,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-12-09 10:41:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-12-09 10:41:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:20,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:20,739 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 10:41:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-12-09 10:41:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-12-09 10:41:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:20,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:20,967 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 10:41:21,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-12-09 10:41:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-12-09 10:41:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:21,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:21,186 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 10:41:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-12-09 10:41:21,361 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-12-09 10:41:21,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:21,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:21,367 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 10:41:21,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-12-09 10:41:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-12-09 10:41:21,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:21,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:21,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:21,656 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 10:41:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 49 states and 84 transitions. [2018-12-09 10:41:23,680 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2018-12-09 10:41:23,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:23,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:23,685 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 10:41:23,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:23,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-12-09 10:41:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-12-09 10:41:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:23,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:23,879 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 10:41:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 84 transitions. [2018-12-09 10:41:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 84 transitions. [2018-12-09 10:41:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 10:41:24,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:24,114 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 10:41:24,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-12-09 10:41:24,371 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-12-09 10:41:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:24,371 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:24,377 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 10:41:24,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:24,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-12-09 10:41:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-12-09 10:41:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:24,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:24,704 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 10:41:24,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:24,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-12-09 10:41:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-12-09 10:41:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:24,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:24,952 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 10:41:25,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-12-09 10:41:25,187 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-12-09 10:41:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:25,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:25,192 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 10:41:25,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2018-12-09 10:41:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2018-12-09 10:41:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:25,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:25,409 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 10:41:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-12-09 10:41:25,631 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-12-09 10:41:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:25,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:25,776 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 10:41:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2018-12-09 10:41:28,802 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2018-12-09 10:41:28,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:28,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:28,807 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 10:41:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 53 states and 89 transitions. [2018-12-09 10:41:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 89 transitions. [2018-12-09 10:41:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:29,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:29,068 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 10:41:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 54 states and 89 transitions. [2018-12-09 10:41:29,357 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 89 transitions. [2018-12-09 10:41:29,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 10:41:29,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:29,361 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 10:41:29,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-12-09 10:41:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-12-09 10:41:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:29,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:29,800 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 10:41:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-12-09 10:41:30,173 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-12-09 10:41:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:30,173 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:30,177 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 10:41:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-12-09 10:41:30,508 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-12-09 10:41:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:30,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:30,512 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 10:41:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-12-09 10:41:30,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-12-09 10:41:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:30,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:30,824 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 10:41:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-12-09 10:41:31,086 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-12-09 10:41:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:31,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:31,090 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 10:41:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-12-09 10:41:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-12-09 10:41:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:31,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:31,518 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 10:41:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 54 states and 94 transitions. [2018-12-09 10:41:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-12-09 10:41:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:35,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:35,696 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 10:41:35,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:35,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2018-12-09 10:41:35,988 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-12-09 10:41:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:35,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:35,994 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 10:41:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-12-09 10:41:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-12-09 10:41:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:36,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:36,296 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 10:41:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-12-09 10:41:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-12-09 10:41:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 10:41:36,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:36,749 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 10:41:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-12-09 10:41:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-12-09 10:41:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:37,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:37,138 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 10:41:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-12-09 10:41:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-12-09 10:41:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:37,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:37,615 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 10:41:38,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-12-09 10:41:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-12-09 10:41:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:38,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:38,014 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 10:41:38,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 42 states and 67 transitions. [2018-12-09 10:41:38,383 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2018-12-09 10:41:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:38,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:38,387 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 10:41:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-12-09 10:41:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-12-09 10:41:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:38,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:38,730 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 10:41:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:39,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2018-12-09 10:41:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2018-12-09 10:41:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:39,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:39,060 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 10:41:39,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:39,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-12-09 10:41:39,390 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-12-09 10:41:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:39,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:39,394 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 10:41:39,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:39,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2018-12-09 10:41:39,719 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2018-12-09 10:41:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:39,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:39,723 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 10:41:40,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:40,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2018-12-09 10:41:40,092 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2018-12-09 10:41:40,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:40,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:40,097 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 10:41:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 67 transitions. [2018-12-09 10:41:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2018-12-09 10:41:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:41:40,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:41:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:41:40,615 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 10:41:41,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:41:41,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-12-09 10:41:41,113 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-12-09 10:41:41,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:41:41,113 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-12-09 10:41:41,119 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 10:41:41,390 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:41:41,391 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:41:41,392 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:41:41,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 10:41:41 ImpRootNode [2018-12-09 10:41:41,392 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 10:41:41,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:41:41,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:41:41,392 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:41:41,393 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:41:13" (3/4) ... [2018-12-09 10:41:41,395 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:41:41,401 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 10:41:41,401 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 10:41:41,401 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 10:41:41,436 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_23ca64d3-94e6-421d-836a-1af074f410c1/bin-2019/ukojak/witness.graphml [2018-12-09 10:41:41,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:41:41,436 INFO L168 Benchmark]: Toolchain (without parser) took 28643.96 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 464.0 MB). Free memory was 961.4 MB in the beginning and 1.4 GB in the end (delta: -399.6 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:41:41,437 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:41:41,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:41:41,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.23 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:41:41,438 INFO L168 Benchmark]: Boogie Preprocessor took 42.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:41:41,438 INFO L168 Benchmark]: RCFGBuilder took 292.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:41:41,438 INFO L168 Benchmark]: CodeCheck took 28110.22 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 337.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -287.0 MB). Peak memory consumption was 569.7 MB. Max. memory is 11.5 GB. [2018-12-09 10:41:41,438 INFO L168 Benchmark]: Witness Printer took 43.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:41:41,439 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, 42 locations, 1 error locations. SAFE Result, 27.8s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -773195780 SDslu, 0 SDs, 0 SdLazy, -840241160 SolverSat, -1008601092 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9060 GetRequests, 8576 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111902 ImplicationChecksByTransitivity, 26.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s 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 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: 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 132.69 ms. Allocated memory is still 1.0 GB. Free memory was 961.4 MB in the beginning and 950.6 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 20.23 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 292.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * CodeCheck took 28110.22 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 337.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -287.0 MB). Peak memory consumption was 569.7 MB. Max. memory is 11.5 GB. * Witness Printer took 43.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...