./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:11:18,362 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:11:18,363 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:11:18,370 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:11:18,370 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:11:18,371 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:11:18,372 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:11:18,373 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:11:18,374 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:11:18,375 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:11:18,375 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:11:18,376 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:11:18,376 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:11:18,377 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:11:18,378 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:11:18,378 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:11:18,379 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:11:18,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:11:18,381 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:11:18,382 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:11:18,383 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:11:18,384 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:11:18,385 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:11:18,386 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:11:18,386 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:11:18,387 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:11:18,387 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:11:18,388 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:11:18,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:11:18,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:11:18,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:11:18,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:11:18,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:11:18,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:11:18,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:11:18,391 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:11:18,392 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:11:18,399 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:11:18,399 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:11:18,399 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:11:18,399 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:11:18,400 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:11:18,400 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:11:18,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:11:18,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:11:18,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:11:18,400 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:11:18,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:11:18,401 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:11:18,401 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:11:18,401 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:11:18,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:11:18,401 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:11:18,401 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:11:18,401 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:11:18,401 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:11:18,402 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:11:18,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:11:18,402 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:11:18,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:11:18,402 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:11:18,402 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:11:18,403 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:11:18,403 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:11:18,403 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:11:18,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:11:18,403 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_14817f1b-962d-4bbc-89e5-7cfee0ffed66/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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2018-11-18 11:11:18,429 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:11:18,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:11:18,441 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:11:18,442 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:11:18,442 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:11:18,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-11-18 11:11:18,488 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/data/bbab6308a/2b1792728b9e4b348ba17ae1662cd262/FLAG5a029f93c [2018-11-18 11:11:18,937 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:11:18,937 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-11-18 11:11:18,946 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/data/bbab6308a/2b1792728b9e4b348ba17ae1662cd262/FLAG5a029f93c [2018-11-18 11:11:18,958 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/data/bbab6308a/2b1792728b9e4b348ba17ae1662cd262 [2018-11-18 11:11:18,961 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:11:18,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:11:18,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:11:18,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:11:18,966 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:11:18,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:11:18" (1/1) ... [2018-11-18 11:11:18,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:18, skipping insertion in model container [2018-11-18 11:11:18,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:11:18" (1/1) ... [2018-11-18 11:11:18,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:11:19,011 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:11:19,240 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:11:19,244 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:11:19,315 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:11:19,325 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:11:19,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19 WrapperNode [2018-11-18 11:11:19,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:11:19,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:11:19,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:11:19,326 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:11:19,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:11:19,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:11:19,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:11:19,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:11:19,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... [2018-11-18 11:11:19,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:11:19,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:11:19,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:11:19,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:11:19,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:11:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/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 [2018-11-18 11:11:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:11:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:11:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:11:20,899 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:11:20,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:11:20 BoogieIcfgContainer [2018-11-18 11:11:20,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:11:20,900 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:11:20,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:11:20,908 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:11:20,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:11:20" (1/1) ... [2018-11-18 11:11:20,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:11:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 11:11:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 11:11:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 11:11:20,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 11:11:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 11:11:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 11:11:21,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:11:21,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:21,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-18 11:11:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-18 11:11:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 11:11:21,762 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:21,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-18 11:11:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-18 11:11:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:11:21,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:21,999 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-18 11:11:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-18 11:11:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 11:11:22,170 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:22,233 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:22,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-18 11:11:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-18 11:11:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:11:22,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:22,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-18 11:11:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-18 11:11:22,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 11:11:22,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:22,768 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:22,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-18 11:11:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-18 11:11:22,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 11:11:22,792 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:11:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-18 11:11:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-18 11:11:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 11:11:22,901 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:11:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-18 11:11:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-18 11:11:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 11:11:23,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:11:23,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:23,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-18 11:11:23,472 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-18 11:11:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 11:11:23,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:11:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:23,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 338 states and 447 transitions. [2018-11-18 11:11:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 447 transitions. [2018-11-18 11:11:23,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 11:11:23,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:24,004 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 369 states and 486 transitions. [2018-11-18 11:11:24,673 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 486 transitions. [2018-11-18 11:11:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 11:11:24,674 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:24,703 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:11:24,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 388 states and 508 transitions. [2018-11-18 11:11:24,946 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 508 transitions. [2018-11-18 11:11:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 11:11:24,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 419 states and 544 transitions. [2018-11-18 11:11:25,841 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2018-11-18 11:11:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 11:11:25,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:26,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 423 states and 548 transitions. [2018-11-18 11:11:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2018-11-18 11:11:26,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 11:11:26,004 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 436 states and 562 transitions. [2018-11-18 11:11:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 562 transitions. [2018-11-18 11:11:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 11:11:26,125 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,151 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:26,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 455 states and 584 transitions. [2018-11-18 11:11:26,337 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 584 transitions. [2018-11-18 11:11:26,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 11:11:26,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,362 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:11:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 459 states and 587 transitions. [2018-11-18 11:11:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 587 transitions. [2018-11-18 11:11:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:11:26,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:11:26,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 464 states and 591 transitions. [2018-11-18 11:11:26,483 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions. [2018-11-18 11:11:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:11:26,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 478 states and 606 transitions. [2018-11-18 11:11:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 606 transitions. [2018-11-18 11:11:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 11:11:26,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:26,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:26,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 490 states and 617 transitions. [2018-11-18 11:11:26,852 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 617 transitions. [2018-11-18 11:11:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 11:11:26,853 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:26,887 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:27,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 495 states and 623 transitions. [2018-11-18 11:11:27,183 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 623 transitions. [2018-11-18 11:11:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 11:11:27,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:27,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 514 states and 642 transitions. [2018-11-18 11:11:27,320 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 642 transitions. [2018-11-18 11:11:27,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:11:27,322 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:27,647 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 556 states and 695 transitions. [2018-11-18 11:11:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 695 transitions. [2018-11-18 11:11:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:11:28,920 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:28,950 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:29,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:29,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 571 states and 709 transitions. [2018-11-18 11:11:29,111 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 709 transitions. [2018-11-18 11:11:29,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:11:29,111 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:29,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:29,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 583 states and 720 transitions. [2018-11-18 11:11:29,305 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 720 transitions. [2018-11-18 11:11:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 11:11:29,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:29,340 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:29,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:29,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 585 states and 722 transitions. [2018-11-18 11:11:29,375 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 722 transitions. [2018-11-18 11:11:29,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:11:29,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 590 states and 729 transitions. [2018-11-18 11:11:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 729 transitions. [2018-11-18 11:11:29,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 11:11:29,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:29,505 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 591 states and 730 transitions. [2018-11-18 11:11:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 730 transitions. [2018-11-18 11:11:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 11:11:29,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:29,576 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 610 states and 752 transitions. [2018-11-18 11:11:29,959 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 752 transitions. [2018-11-18 11:11:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:11:29,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:29,992 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 611 states and 753 transitions. [2018-11-18 11:11:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 753 transitions. [2018-11-18 11:11:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:11:30,013 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:30,032 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 614 states and 756 transitions. [2018-11-18 11:11:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 756 transitions. [2018-11-18 11:11:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:11:30,056 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:30,091 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 625 states and 767 transitions. [2018-11-18 11:11:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 767 transitions. [2018-11-18 11:11:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:11:30,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:30,453 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 641 states and 783 transitions. [2018-11-18 11:11:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 783 transitions. [2018-11-18 11:11:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:11:30,763 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 11:11:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:30,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 643 states and 784 transitions. [2018-11-18 11:11:30,895 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 784 transitions. [2018-11-18 11:11:30,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 11:11:30,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:31,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:31,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 647 states and 790 transitions. [2018-11-18 11:11:31,275 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 790 transitions. [2018-11-18 11:11:31,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 11:11:31,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 659 states and 801 transitions. [2018-11-18 11:11:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 801 transitions. [2018-11-18 11:11:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 11:11:31,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:31,702 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 11:11:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:31,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 660 states and 803 transitions. [2018-11-18 11:11:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 803 transitions. [2018-11-18 11:11:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 11:11:31,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 664 states and 807 transitions. [2018-11-18 11:11:31,900 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 807 transitions. [2018-11-18 11:11:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 11:11:31,900 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:31,949 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 691 states and 835 transitions. [2018-11-18 11:11:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 835 transitions. [2018-11-18 11:11:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 11:11:32,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 11:11:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 709 states and 855 transitions. [2018-11-18 11:11:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 855 transitions. [2018-11-18 11:11:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 11:11:32,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 721 states and 870 transitions. [2018-11-18 11:11:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 870 transitions. [2018-11-18 11:11:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 11:11:32,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:32,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:32,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 725 states and 875 transitions. [2018-11-18 11:11:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 875 transitions. [2018-11-18 11:11:32,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 11:11:32,934 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 749 states and 905 transitions. [2018-11-18 11:11:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 905 transitions. [2018-11-18 11:11:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 11:11:34,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 11:11:34,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 750 states and 906 transitions. [2018-11-18 11:11:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 906 transitions. [2018-11-18 11:11:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 11:11:34,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:34,460 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:34,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:34,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 780 states and 936 transitions. [2018-11-18 11:11:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 936 transitions. [2018-11-18 11:11:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:11:34,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 804 states and 961 transitions. [2018-11-18 11:11:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 961 transitions. [2018-11-18 11:11:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 11:11:35,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:35,276 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:35,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 805 states and 961 transitions. [2018-11-18 11:11:35,374 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 961 transitions. [2018-11-18 11:11:35,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 11:11:35,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 11:11:35,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 811 states and 966 transitions. [2018-11-18 11:11:35,436 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 966 transitions. [2018-11-18 11:11:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 11:11:35,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:35,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 842 states and 997 transitions. [2018-11-18 11:11:35,548 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 997 transitions. [2018-11-18 11:11:35,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:11:35,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:35,620 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 11:11:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 848 states and 1004 transitions. [2018-11-18 11:11:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1004 transitions. [2018-11-18 11:11:35,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:11:35,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:35,803 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 11:11:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 849 states and 1004 transitions. [2018-11-18 11:11:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1004 transitions. [2018-11-18 11:11:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:11:35,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:36,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 870 states and 1029 transitions. [2018-11-18 11:11:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1029 transitions. [2018-11-18 11:11:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:11:36,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 872 states and 1030 transitions. [2018-11-18 11:11:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1030 transitions. [2018-11-18 11:11:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 11:11:36,753 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:36,796 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:11:36,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:36,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 892 states and 1051 transitions. [2018-11-18 11:11:36,960 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1051 transitions. [2018-11-18 11:11:36,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 11:11:36,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:11:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 896 states and 1055 transitions. [2018-11-18 11:11:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1055 transitions. [2018-11-18 11:11:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 11:11:37,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:37,234 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:11:37,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 930 states and 1092 transitions. [2018-11-18 11:11:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1092 transitions. [2018-11-18 11:11:37,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 11:11:37,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:37,893 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 11:11:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 934 states and 1096 transitions. [2018-11-18 11:11:38,074 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1096 transitions. [2018-11-18 11:11:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 11:11:38,074 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 938 states and 1102 transitions. [2018-11-18 11:11:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1102 transitions. [2018-11-18 11:11:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 11:11:38,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:11:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 955 states and 1118 transitions. [2018-11-18 11:11:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1118 transitions. [2018-11-18 11:11:38,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 11:11:38,284 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:11:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 993 states and 1158 transitions. [2018-11-18 11:11:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1158 transitions. [2018-11-18 11:11:38,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 11:11:38,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:11:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 996 states and 1160 transitions. [2018-11-18 11:11:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1160 transitions. [2018-11-18 11:11:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:11:38,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:41,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:41,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1119 states and 1302 transitions. [2018-11-18 11:11:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1302 transitions. [2018-11-18 11:11:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:11:41,550 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1123 states and 1306 transitions. [2018-11-18 11:11:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1306 transitions. [2018-11-18 11:11:42,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 11:11:42,005 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:42,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:42,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1128 states and 1310 transitions. [2018-11-18 11:11:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1310 transitions. [2018-11-18 11:11:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 11:11:42,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 11:11:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1208 states and 1402 transitions. [2018-11-18 11:11:43,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1402 transitions. [2018-11-18 11:11:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 11:11:43,076 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:44,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:44,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1251 states and 1450 transitions. [2018-11-18 11:11:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1450 transitions. [2018-11-18 11:11:44,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 11:11:44,271 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:44,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:44,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1255 states and 1453 transitions. [2018-11-18 11:11:44,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1453 transitions. [2018-11-18 11:11:44,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:44,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:48,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1394 states and 1613 transitions. [2018-11-18 11:11:48,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1613 transitions. [2018-11-18 11:11:48,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:48,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1426 states and 1654 transitions. [2018-11-18 11:11:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1654 transitions. [2018-11-18 11:11:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:49,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1430 states and 1658 transitions. [2018-11-18 11:11:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1658 transitions. [2018-11-18 11:11:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:50,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1435 states and 1666 transitions. [2018-11-18 11:11:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1666 transitions. [2018-11-18 11:11:50,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:50,922 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:51,062 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:51,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1440 states and 1670 transitions. [2018-11-18 11:11:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1670 transitions. [2018-11-18 11:11:51,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:51,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:51,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:51,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1445 states and 1674 transitions. [2018-11-18 11:11:51,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1674 transitions. [2018-11-18 11:11:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:51,757 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:51,881 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:52,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1450 states and 1679 transitions. [2018-11-18 11:11:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 1679 transitions. [2018-11-18 11:11:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:11:52,433 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:52,556 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:11:52,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:52,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1454 states and 1682 transitions. [2018-11-18 11:11:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1682 transitions. [2018-11-18 11:11:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-18 11:11:52,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 11:11:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1457 states and 1684 transitions. [2018-11-18 11:11:53,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1684 transitions. [2018-11-18 11:11:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 11:11:53,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:11:53,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1481 states and 1708 transitions. [2018-11-18 11:11:53,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1708 transitions. [2018-11-18 11:11:53,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 11:11:53,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:11:54,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:54,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1485 states and 1711 transitions. [2018-11-18 11:11:54,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1711 transitions. [2018-11-18 11:11:54,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:11:54,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:11:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:57,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1550 states and 1792 transitions. [2018-11-18 11:11:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1792 transitions. [2018-11-18 11:11:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:11:57,826 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:11:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1558 states and 1799 transitions. [2018-11-18 11:11:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1799 transitions. [2018-11-18 11:11:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:11:58,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:11:58,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:58,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1568 states and 1808 transitions. [2018-11-18 11:11:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1808 transitions. [2018-11-18 11:11:58,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:11:58,739 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:11:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:11:59,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1573 states and 1812 transitions. [2018-11-18 11:11:59,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1812 transitions. [2018-11-18 11:11:59,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 11:11:59,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:11:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:11:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 203 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 11:12:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1653 states and 1895 transitions. [2018-11-18 11:12:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1895 transitions. [2018-11-18 11:12:00,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 11:12:00,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:00,182 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 11:12:00,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1655 states and 1896 transitions. [2018-11-18 11:12:00,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 1896 transitions. [2018-11-18 11:12:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2018-11-18 11:12:00,411 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:00,721 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 241 proven. 133 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 11:12:01,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:01,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1694 states and 1938 transitions. [2018-11-18 11:12:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1938 transitions. [2018-11-18 11:12:01,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-11-18 11:12:01,351 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 11:12:02,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1766 states and 2015 transitions. [2018-11-18 11:12:02,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2015 transitions. [2018-11-18 11:12:02,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-11-18 11:12:02,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-11-18 11:12:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:03,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1845 states and 2095 transitions. [2018-11-18 11:12:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2095 transitions. [2018-11-18 11:12:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-11-18 11:12:03,888 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:12:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:12:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 74 proven. 410 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-11-18 11:12:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:12:22,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1957 states and 2225 transitions. [2018-11-18 11:12:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2225 transitions. [2018-11-18 11:12:22,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:12:22,172 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-11-18 11:12:22,178 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:12:23,428 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 18 [2018-11-18 11:12:23,537 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 18 [2018-11-18 11:12:25,126 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 18 [2018-11-18 11:12:26,103 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 18 [2018-11-18 11:12:26,899 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:12:26,901 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 11:12:26,906 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 11:12:26,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:12:26 ImpRootNode [2018-11-18 11:12:26,907 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:12:26,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:12:26,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:12:26,907 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:12:26,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:11:20" (3/4) ... [2018-11-18 11:12:26,910 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:12:26,925 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-18 11:12:26,926 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-18 11:12:26,926 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 11:12:26,927 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 11:12:27,012 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_14817f1b-962d-4bbc-89e5-7cfee0ffed66/bin-2019/ukojak/witness.graphml [2018-11-18 11:12:27,012 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:12:27,013 INFO L168 Benchmark]: Toolchain (without parser) took 68051.44 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 957.6 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 436.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:27,013 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:12:27,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.99 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.3 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:27,015 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 925.3 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:27,015 INFO L168 Benchmark]: Boogie Preprocessor took 43.44 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:27,015 INFO L168 Benchmark]: RCFGBuilder took 1433.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.9 MB in the end (delta: 239.5 MB). Peak memory consumption was 239.5 MB. Max. memory is 11.5 GB. [2018-11-18 11:12:27,016 INFO L168 Benchmark]: CodeCheck took 66006.52 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 883.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 11:12:27,017 INFO L168 Benchmark]: Witness Printer took 104.98 ms. Allocated memory is still 2.8 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:12:27,018 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, 228 locations, 1 error locations. SAFE Result, 61.2s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 583011520 SDtfs, -429399574 SDslu, 374370824 SDs, 0 SdLazy, 247390384 SolverSat, -98412058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 182.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111378 GetRequests, 108033 SyntacticMatches, 2615 SemanticMatches, 730 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 627067 ImplicationChecksByTransitivity, 49.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 16998 NumberOfCodeBlocks, 16998 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 16909 ConstructedInterpolants, 0 QuantifiedInterpolants, 14997331 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 62 PerfectInterpolantSequences, 15196/17050 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: 490]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a28 == 9) || !(1 == a11)) || !(a17 == 7)) || a25 == 1) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a28 == 9) || !(a11 == 1)) || !(a17 == 7)) || a25 == 1) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.99 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 925.3 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 925.3 MB in the beginning and 1.1 GB in the end (delta: -204.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.44 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1433.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.9 MB in the end (delta: 239.5 MB). Peak memory consumption was 239.5 MB. Max. memory is 11.5 GB. * CodeCheck took 66006.52 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 883.9 MB in the beginning and 2.3 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 104.98 ms. Allocated memory is still 2.8 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...