./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_12_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_12_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/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 16b9ec98922e529d9b7488fe4b8a5dfd7426fa85 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:46:47,081 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:46:47,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:46:47,091 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:46:47,091 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:46:47,092 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:46:47,093 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:46:47,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:46:47,096 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:46:47,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:46:47,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:46:47,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:46:47,099 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:46:47,100 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:46:47,100 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:46:47,101 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:46:47,101 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:46:47,103 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:46:47,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:46:47,105 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:46:47,106 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:46:47,107 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:46:47,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:46:47,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:46:47,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:46:47,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:46:47,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:46:47,111 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:46:47,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:46:47,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:46:47,113 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:46:47,113 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:46:47,114 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:46:47,114 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:46:47,115 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:46:47,115 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:46:47,116 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 13:46:47,128 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:46:47,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:46:47,129 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:46:47,129 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 13:46:47,130 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:46:47,130 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:46:47,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:46:47,130 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:46:47,131 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:46:47,131 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:46:47,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:46:47,131 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:46:47,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:46:47,131 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:46:47,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:46:47,132 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:46:47,132 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:46:47,132 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:46:47,132 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 13:46:47,132 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 13:46:47,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:46:47,133 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:46:47,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 13:46:47,133 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:46:47,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:46:47,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:46:47,133 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 13:46:47,134 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:46:47,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:46:47,134 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_55d8c6a9-ec63-48db-b8c7-9381fea514f6/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 -> 16b9ec98922e529d9b7488fe4b8a5dfd7426fa85 [2018-11-23 13:46:47,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:46:47,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:46:47,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:46:47,177 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:46:47,177 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:46:47,178 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_12_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 13:46:47,236 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/data/7e02bf3c2/cea7f54d217c437a85ddb131339621ba/FLAG76d33fbe1 [2018-11-23 13:46:47,601 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:46:47,601 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/sv-benchmarks/c/locks/test_locks_12_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-23 13:46:47,608 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/data/7e02bf3c2/cea7f54d217c437a85ddb131339621ba/FLAG76d33fbe1 [2018-11-23 13:46:47,620 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/data/7e02bf3c2/cea7f54d217c437a85ddb131339621ba [2018-11-23 13:46:47,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:46:47,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:46:47,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:46:47,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:46:47,628 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:46:47,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47, skipping insertion in model container [2018-11-23 13:46:47,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:46:47,660 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:46:47,802 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:46:47,804 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:46:47,824 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:46:47,833 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:46:47,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47 WrapperNode [2018-11-23 13:46:47,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:46:47,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:46:47,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:46:47,834 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:46:47,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,855 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:46:47,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:46:47,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:46:47,855 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:46:47,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... [2018-11-23 13:46:47,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:46:47,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:46:47,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:46:47,918 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:46:47,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:46:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/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 [2018-11-23 13:46:47,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:46:47,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:46:48,333 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:46:48,333 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 13:46:48,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:48 BoogieIcfgContainer [2018-11-23 13:46:48,333 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:46:48,334 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 13:46:48,334 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 13:46:48,340 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 13:46:48,340 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:48" (1/1) ... [2018-11-23 13:46:48,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:46:48,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:48,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2018-11-23 13:46:48,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2018-11-23 13:46:48,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 13:46:48,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:48,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-11-23 13:46:48,550 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-11-23 13:46:48,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 13:46:48,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:48,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-11-23 13:46:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-11-23 13:46:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 13:46:48,699 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-23 13:46:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-23 13:46:48,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-23 13:46:48,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:49,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2018-11-23 13:46:49,048 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2018-11-23 13:46:49,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 13:46:49,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:49,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-11-23 13:46:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-11-23 13:46:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 13:46:49,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:49,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-11-23 13:46:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-11-23 13:46:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 13:46:49,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:49,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:49,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-11-23 13:46:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-11-23 13:46:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:46:49,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:49,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:49,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-23 13:46:49,703 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-23 13:46:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:46:49,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:49,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-11-23 13:46:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-11-23 13:46:49,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:46:49,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:49,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:50,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 71 transitions. [2018-11-23 13:46:50,414 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 71 transitions. [2018-11-23 13:46:50,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 13:46:50,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:50,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:50,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:50,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-11-23 13:46:50,547 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-11-23 13:46:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:46:50,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:50,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-23 13:46:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-23 13:46:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:46:50,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2018-11-23 13:46:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2018-11-23 13:46:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:46:50,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:50,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:51,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-11-23 13:46:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-11-23 13:46:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:46:51,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:51,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:51,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-11-23 13:46:51,776 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-11-23 13:46:51,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-23 13:46:51,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2018-11-23 13:46:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2018-11-23 13:46:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:46:51,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:51,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-11-23 13:46:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-11-23 13:46:52,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:46:52,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:52,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:52,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-11-23 13:46:52,282 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-11-23 13:46:52,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:46:52,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:52,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2018-11-23 13:46:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2018-11-23 13:46:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:46:52,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:53,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:53,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 48 states and 81 transitions. [2018-11-23 13:46:53,627 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 81 transitions. [2018-11-23 13:46:53,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:46:53,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 81 transitions. [2018-11-23 13:46:53,774 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 81 transitions. [2018-11-23 13:46:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-23 13:46:53,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-11-23 13:46:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-11-23 13:46:54,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:46:54,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-11-23 13:46:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-11-23 13:46:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:46:54,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:54,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:54,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:54,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2018-11-23 13:46:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2018-11-23 13:46:54,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:46:54,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:54,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2018-11-23 13:46:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2018-11-23 13:46:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:46:54,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:54,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2018-11-23 13:46:54,918 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2018-11-23 13:46:54,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:46:54,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:56,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 51 states and 86 transitions. [2018-11-23 13:46:56,722 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 86 transitions. [2018-11-23 13:46:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:46:56,722 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 86 transitions. [2018-11-23 13:46:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 86 transitions. [2018-11-23 13:46:56,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 13:46:56,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:57,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2018-11-23 13:46:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2018-11-23 13:46:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:46:57,162 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:57,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:57,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-11-23 13:46:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-11-23 13:46:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:46:57,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-11-23 13:46:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-11-23 13:46:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:46:57,671 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:57,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2018-11-23 13:46:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2018-11-23 13:46:57,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:46:57,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:46:58,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:46:58,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-11-23 13:46:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-11-23 13:46:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:46:58,048 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:46:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:46:58,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:00,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:00,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2018-11-23 13:47:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2018-11-23 13:47:00,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:47:00,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 54 states and 91 transitions. [2018-11-23 13:47:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2018-11-23 13:47:00,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:47:00,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 91 transitions. [2018-11-23 13:47:01,010 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 91 transitions. [2018-11-23 13:47:01,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 13:47:01,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:01,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2018-11-23 13:47:01,343 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2018-11-23 13:47:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:01,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:01,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 42 states and 70 transitions. [2018-11-23 13:47:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2018-11-23 13:47:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:01,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:01,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2018-11-23 13:47:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2018-11-23 13:47:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:01,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:02,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 70 transitions. [2018-11-23 13:47:02,185 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 70 transitions. [2018-11-23 13:47:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:02,185 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:02,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:02,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 70 transitions. [2018-11-23 13:47:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-11-23 13:47:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:02,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 46 states and 70 transitions. [2018-11-23 13:47:02,614 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 70 transitions. [2018-11-23 13:47:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:02,614 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:05,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 56 states and 96 transitions. [2018-11-23 13:47:05,885 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 96 transitions. [2018-11-23 13:47:05,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:05,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:06,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:06,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 96 transitions. [2018-11-23 13:47:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2018-11-23 13:47:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:06,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:06,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:06,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 58 states and 96 transitions. [2018-11-23 13:47:06,512 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2018-11-23 13:47:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-23 13:47:06,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:06,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2018-11-23 13:47:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2018-11-23 13:47:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:06,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:07,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2018-11-23 13:47:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2018-11-23 13:47:07,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:07,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:07,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-11-23 13:47:07,684 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-11-23 13:47:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:07,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:07,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 45 states and 72 transitions. [2018-11-23 13:47:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2018-11-23 13:47:07,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:07,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:08,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:08,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 72 transitions. [2018-11-23 13:47:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 72 transitions. [2018-11-23 13:47:08,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:08,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 72 transitions. [2018-11-23 13:47:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 72 transitions. [2018-11-23 13:47:08,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:08,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:08,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:08,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2018-11-23 13:47:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2018-11-23 13:47:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:08,754 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:13,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 59 states and 101 transitions. [2018-11-23 13:47:13,361 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2018-11-23 13:47:13,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:13,361 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2018-11-23 13:47:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2018-11-23 13:47:13,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:13,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:13,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 61 states and 101 transitions. [2018-11-23 13:47:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2018-11-23 13:47:14,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 13:47:14,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:14,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 43 states and 74 transitions. [2018-11-23 13:47:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 74 transitions. [2018-11-23 13:47:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:14,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:14,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:14,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2018-11-23 13:47:14,815 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2018-11-23 13:47:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:14,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:15,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2018-11-23 13:47:15,260 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2018-11-23 13:47:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:15,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:15,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2018-11-23 13:47:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2018-11-23 13:47:15,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:15,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:15,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:16,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2018-11-23 13:47:16,182 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2018-11-23 13:47:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:16,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:16,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 48 states and 74 transitions. [2018-11-23 13:47:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2018-11-23 13:47:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:16,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:16,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:16,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2018-11-23 13:47:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2018-11-23 13:47:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:16,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:17,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2018-11-23 13:47:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2018-11-23 13:47:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:22,524 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 62 states and 106 transitions. [2018-11-23 13:47:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 106 transitions. [2018-11-23 13:47:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:22,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:23,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 63 states and 106 transitions. [2018-11-23 13:47:23,365 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 106 transitions. [2018-11-23 13:47:23,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:23,366 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:23,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 64 states and 106 transitions. [2018-11-23 13:47:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 106 transitions. [2018-11-23 13:47:23,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 13:47:23,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 44 states and 76 transitions. [2018-11-23 13:47:24,470 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2018-11-23 13:47:24,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:24,470 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 76 transitions. [2018-11-23 13:47:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 76 transitions. [2018-11-23 13:47:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:24,962 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:24,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2018-11-23 13:47:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2018-11-23 13:47:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:25,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:25,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-11-23 13:47:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-11-23 13:47:25,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:25,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:26,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2018-11-23 13:47:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2018-11-23 13:47:26,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:26,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:26,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2018-11-23 13:47:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2018-11-23 13:47:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:26,653 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2018-11-23 13:47:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2018-11-23 13:47:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:27,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-11-23 13:47:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-11-23 13:47:27,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:27,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:28,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 52 states and 76 transitions. [2018-11-23 13:47:28,040 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2018-11-23 13:47:28,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:28,040 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:28,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2018-11-23 13:47:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2018-11-23 13:47:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:28,574 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 54 states and 76 transitions. [2018-11-23 13:47:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 76 transitions. [2018-11-23 13:47:29,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 13:47:29,149 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 13:47:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:47:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:47:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 13:47:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-11-23 13:47:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-11-23 13:47:29,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:47:29,730 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 79 iterations. [2018-11-23 13:47:29,736 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 13:47:30,058 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:47:30,060 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:47:30,060 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 13:47:30,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:47:30 ImpRootNode [2018-11-23 13:47:30,061 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 13:47:30,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:47:30,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:47:30,061 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:47:30,061 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:46:48" (3/4) ... [2018-11-23 13:47:30,063 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:47:30,071 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-23 13:47:30,071 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:47:30,071 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:47:30,116 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55d8c6a9-ec63-48db-b8c7-9381fea514f6/bin-2019/ukojak/witness.graphml [2018-11-23 13:47:30,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:47:30,117 INFO L168 Benchmark]: Toolchain (without parser) took 42493.73 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 872.4 MB). Free memory was 958.2 MB in the beginning and 1.8 GB in the end (delta: -838.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-11-23 13:47:30,118 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:47:30,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.03 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:47:30,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.02 ms. Allocated memory is still 1.0 GB. Free memory is still 944.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:47:30,119 INFO L168 Benchmark]: Boogie Preprocessor took 61.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:47:30,119 INFO L168 Benchmark]: RCFGBuilder took 416.01 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:47:30,119 INFO L168 Benchmark]: CodeCheck took 41727.01 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 722.5 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -692.6 MB). Peak memory consumption was 947.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:47:30,119 INFO L168 Benchmark]: Witness Printer took 55.61 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 58.5 kB). Peak memory consumption was 58.5 kB. Max. memory is 11.5 GB. [2018-11-23 13:47:30,121 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, 45 locations, 1 error locations. SAFE Result, 41.3s OverallTime, 79 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1335226364 SDslu, 0 SDs, 0 SdLazy, 1465769976 SolverSat, 260304892 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11386 GetRequests, 10810 SyntacticMatches, 0 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160411 ImplicationChecksByTransitivity, 39.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1106 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 78 NumberOfCheckSat, 1028 ConstructedInterpolants, 0 QuantifiedInterpolants, 77274 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 78 InterpolantComputations, 78 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: 189]: 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: 45]: 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 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 209.03 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 944.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.02 ms. Allocated memory is still 1.0 GB. Free memory is still 944.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -203.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 416.01 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * CodeCheck took 41727.01 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 722.5 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -692.6 MB). Peak memory consumption was 947.3 MB. Max. memory is 11.5 GB. * Witness Printer took 55.61 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 58.5 kB). Peak memory consumption was 58.5 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...