./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/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 d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:39:32,454 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:39:32,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:39:32,463 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:39:32,463 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:39:32,464 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:39:32,465 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:39:32,466 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:39:32,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:39:32,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:39:32,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:39:32,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:39:32,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:39:32,470 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:39:32,471 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:39:32,471 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:39:32,472 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:39:32,473 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:39:32,474 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:39:32,475 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:39:32,476 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:39:32,477 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:39:32,478 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:39:32,479 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:39:32,479 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:39:32,479 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:39:32,480 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:39:32,481 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:39:32,481 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:39:32,482 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:39:32,482 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:39:32,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:39:32,483 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:39:32,483 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:39:32,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:39:32,484 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:39:32,484 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:39:32,494 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:39:32,494 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:39:32,494 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:39:32,495 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:39:32,495 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:39:32,495 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:39:32,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:39:32,495 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:39:32,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:39:32,497 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:39:32,497 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:39:32,497 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:39:32,497 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:39:32,497 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:39:32,497 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:39:32,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:39:32,498 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:39:32,498 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:39:32,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:39:32,498 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:39:32,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:39:32,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:39:32,498 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_4776e23c-4360-4b87-a195-e7bc3456bd2c/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 -> d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 [2018-11-23 06:39:32,520 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:39:32,529 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:39:32,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:39:32,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:39:32,533 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:39:32,533 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-11-23 06:39:32,577 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/data/4268e862f/58857661348e49018f3294347a438410/FLAG89683f510 [2018-11-23 06:39:32,975 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:39:32,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-11-23 06:39:32,984 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/data/4268e862f/58857661348e49018f3294347a438410/FLAG89683f510 [2018-11-23 06:39:33,342 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/data/4268e862f/58857661348e49018f3294347a438410 [2018-11-23 06:39:33,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:39:33,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:39:33,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:39:33,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:39:33,347 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:39:33,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5c9f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33, skipping insertion in model container [2018-11-23 06:39:33,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:39:33,390 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:39:33,636 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:39:33,639 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:39:33,704 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:39:33,714 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:39:33,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33 WrapperNode [2018-11-23 06:39:33,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:39:33,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:39:33,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:39:33,715 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:39:33,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:39:33,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:39:33,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:39:33,818 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:39:33,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... [2018-11-23 06:39:33,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:39:33,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:39:33,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:39:33,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:39:33,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:39:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:39:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:39:33,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:39:33,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:39:35,139 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:39:35,139 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:39:35,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:35 BoogieIcfgContainer [2018-11-23 06:39:35,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:39:35,140 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:39:35,140 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:39:35,147 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:39:35,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:35" (1/1) ... [2018-11-23 06:39:35,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:39:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:35,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 06:39:35,180 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 06:39:35,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 06:39:35,183 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-11-23 06:39:35,799 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-11-23 06:39:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 06:39:35,804 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:35,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:39:36,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-11-23 06:39:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-11-23 06:39:36,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 06:39:36,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:36,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:39:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 219 states and 310 transitions. [2018-11-23 06:39:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 310 transitions. [2018-11-23 06:39:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 06:39:36,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:36,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 245 states and 341 transitions. [2018-11-23 06:39:36,808 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 341 transitions. [2018-11-23 06:39:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 06:39:36,813 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:36,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 249 states and 347 transitions. [2018-11-23 06:39:36,984 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 347 transitions. [2018-11-23 06:39:36,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 06:39:36,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:37,048 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:39:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:37,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 282 states and 387 transitions. [2018-11-23 06:39:37,434 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 387 transitions. [2018-11-23 06:39:37,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 06:39:37,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:37,467 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:37,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 314 states and 419 transitions. [2018-11-23 06:39:37,596 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 419 transitions. [2018-11-23 06:39:37,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 06:39:37,597 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 328 states and 434 transitions. [2018-11-23 06:39:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 434 transitions. [2018-11-23 06:39:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 06:39:37,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 06:39:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 342 states and 454 transitions. [2018-11-23 06:39:38,024 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 454 transitions. [2018-11-23 06:39:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-23 06:39:38,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:39:38,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 345 states and 458 transitions. [2018-11-23 06:39:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 458 transitions. [2018-11-23 06:39:38,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 06:39:38,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 386 states and 501 transitions. [2018-11-23 06:39:38,460 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 501 transitions. [2018-11-23 06:39:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 06:39:38,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:38,498 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:39:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 388 states and 504 transitions. [2018-11-23 06:39:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 504 transitions. [2018-11-23 06:39:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 06:39:38,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:38,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 395 states and 512 transitions. [2018-11-23 06:39:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 512 transitions. [2018-11-23 06:39:38,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 06:39:38,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:38,678 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 06:39:38,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 404 states and 527 transitions. [2018-11-23 06:39:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 527 transitions. [2018-11-23 06:39:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 06:39:38,959 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 449 states and 580 transitions. [2018-11-23 06:39:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 580 transitions. [2018-11-23 06:39:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 06:39:39,603 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:39,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 486 states and 618 transitions. [2018-11-23 06:39:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 618 transitions. [2018-11-23 06:39:39,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 06:39:39,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:39,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:39,940 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 06:39:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 500 states and 637 transitions. [2018-11-23 06:39:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 637 transitions. [2018-11-23 06:39:40,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 06:39:40,301 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:39:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 509 states and 650 transitions. [2018-11-23 06:39:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 650 transitions. [2018-11-23 06:39:40,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 06:39:40,543 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:40,568 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:39:40,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:40,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 513 states and 653 transitions. [2018-11-23 06:39:40,685 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 653 transitions. [2018-11-23 06:39:40,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 06:39:40,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:40,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 06:39:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:40,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 514 states and 654 transitions. [2018-11-23 06:39:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 654 transitions. [2018-11-23 06:39:40,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 06:39:40,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:40,923 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:39:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:41,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 557 states and 698 transitions. [2018-11-23 06:39:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 698 transitions. [2018-11-23 06:39:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-23 06:39:41,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:41,235 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 575 states and 716 transitions. [2018-11-23 06:39:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 716 transitions. [2018-11-23 06:39:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 06:39:41,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 06:39:41,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:41,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 589 states and 731 transitions. [2018-11-23 06:39:41,646 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 731 transitions. [2018-11-23 06:39:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 06:39:41,647 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:41,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 654 states and 800 transitions. [2018-11-23 06:39:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 800 transitions. [2018-11-23 06:39:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 06:39:43,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:43,494 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 06:39:44,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 682 states and 834 transitions. [2018-11-23 06:39:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 834 transitions. [2018-11-23 06:39:44,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 06:39:44,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:44,844 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 06:39:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 685 states and 840 transitions. [2018-11-23 06:39:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 840 transitions. [2018-11-23 06:39:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 06:39:45,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 06:39:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:45,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 707 states and 865 transitions. [2018-11-23 06:39:45,944 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 865 transitions. [2018-11-23 06:39:45,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 06:39:45,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:45,982 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-23 06:39:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 708 states and 869 transitions. [2018-11-23 06:39:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 869 transitions. [2018-11-23 06:39:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 06:39:46,012 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:47,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 777 states and 949 transitions. [2018-11-23 06:39:47,558 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 949 transitions. [2018-11-23 06:39:47,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 06:39:47,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 06:39:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 795 states and 967 transitions. [2018-11-23 06:39:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 967 transitions. [2018-11-23 06:39:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-23 06:39:47,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 06:39:47,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 799 states and 970 transitions. [2018-11-23 06:39:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 970 transitions. [2018-11-23 06:39:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 06:39:47,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:47,961 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:48,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:48,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 864 states and 1038 transitions. [2018-11-23 06:39:48,859 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1038 transitions. [2018-11-23 06:39:48,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 06:39:48,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:48,916 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:49,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 885 states and 1059 transitions. [2018-11-23 06:39:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1059 transitions. [2018-11-23 06:39:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 06:39:49,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:49,711 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 06:39:50,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:50,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 896 states and 1074 transitions. [2018-11-23 06:39:50,539 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1074 transitions. [2018-11-23 06:39:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 06:39:50,540 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 06:39:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:50,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 898 states and 1081 transitions. [2018-11-23 06:39:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1081 transitions. [2018-11-23 06:39:50,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-23 06:39:50,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 06:39:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 902 states and 1085 transitions. [2018-11-23 06:39:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1085 transitions. [2018-11-23 06:39:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-23 06:39:50,964 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 06:39:51,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:51,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 904 states and 1087 transitions. [2018-11-23 06:39:51,156 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1087 transitions. [2018-11-23 06:39:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 06:39:51,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-23 06:39:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 971 states and 1156 transitions. [2018-11-23 06:39:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1156 transitions. [2018-11-23 06:39:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 06:39:51,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 06:39:52,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1010 states and 1207 transitions. [2018-11-23 06:39:52,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1207 transitions. [2018-11-23 06:39:52,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 06:39:52,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 06:39:52,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:52,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1013 states and 1211 transitions. [2018-11-23 06:39:52,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1211 transitions. [2018-11-23 06:39:52,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 06:39:52,551 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1082 states and 1297 transitions. [2018-11-23 06:39:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1297 transitions. [2018-11-23 06:39:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 06:39:56,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1093 states and 1308 transitions. [2018-11-23 06:39:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1308 transitions. [2018-11-23 06:39:57,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 06:39:57,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1113 states and 1327 transitions. [2018-11-23 06:39:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1327 transitions. [2018-11-23 06:39:58,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 06:39:58,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:39:58,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:58,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1129 states and 1343 transitions. [2018-11-23 06:39:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1343 transitions. [2018-11-23 06:39:58,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 06:39:58,914 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 06:39:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1141 states and 1354 transitions. [2018-11-23 06:39:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1354 transitions. [2018-11-23 06:39:59,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-23 06:39:59,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 06:39:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1144 states and 1358 transitions. [2018-11-23 06:39:59,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1358 transitions. [2018-11-23 06:39:59,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 06:39:59,278 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:59,343 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 06:39:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:39:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1146 states and 1361 transitions. [2018-11-23 06:39:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1361 transitions. [2018-11-23 06:39:59,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 06:39:59,528 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:39:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:39:59,914 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 06:40:00,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1156 states and 1375 transitions. [2018-11-23 06:40:00,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1375 transitions. [2018-11-23 06:40:00,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 06:40:00,497 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 06:40:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1158 states and 1378 transitions. [2018-11-23 06:40:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1378 transitions. [2018-11-23 06:40:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-23 06:40:00,563 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-23 06:40:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:00,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1162 states and 1384 transitions. [2018-11-23 06:40:00,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1384 transitions. [2018-11-23 06:40:00,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-11-23 06:40:00,811 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:40:03,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:03,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1231 states and 1464 transitions. [2018-11-23 06:40:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1464 transitions. [2018-11-23 06:40:03,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 06:40:03,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:03,505 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-23 06:40:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:03,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1233 states and 1467 transitions. [2018-11-23 06:40:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 1467 transitions. [2018-11-23 06:40:03,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:40:03,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:04,412 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:40:05,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1237 states and 1473 transitions. [2018-11-23 06:40:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1473 transitions. [2018-11-23 06:40:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:40:05,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:05,527 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 06:40:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1309 states and 1561 transitions. [2018-11-23 06:40:07,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1561 transitions. [2018-11-23 06:40:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:40:07,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:07,144 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 06:40:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1367 states and 1619 transitions. [2018-11-23 06:40:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1619 transitions. [2018-11-23 06:40:07,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 06:40:07,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:07,692 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 06:40:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1437 states and 1693 transitions. [2018-11-23 06:40:08,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1693 transitions. [2018-11-23 06:40:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-23 06:40:08,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:08,389 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 144 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 06:40:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1511 states and 1784 transitions. [2018-11-23 06:40:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 1784 transitions. [2018-11-23 06:40:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-23 06:40:09,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:40:10,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:10,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1514 states and 1788 transitions. [2018-11-23 06:40:10,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1788 transitions. [2018-11-23 06:40:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 06:40:10,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:40:11,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:11,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1533 states and 1808 transitions. [2018-11-23 06:40:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1808 transitions. [2018-11-23 06:40:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 06:40:11,123 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-23 06:40:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1555 states and 1833 transitions. [2018-11-23 06:40:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1833 transitions. [2018-11-23 06:40:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 06:40:12,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:12,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-23 06:40:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1575 states and 1852 transitions. [2018-11-23 06:40:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1852 transitions. [2018-11-23 06:40:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-23 06:40:13,310 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:13,459 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 232 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-11-23 06:40:13,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 1589 states and 1866 transitions. [2018-11-23 06:40:13,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 1866 transitions. [2018-11-23 06:40:13,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 06:40:13,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-11-23 06:40:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1679 states and 1962 transitions. [2018-11-23 06:40:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1962 transitions. [2018-11-23 06:40:14,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-11-23 06:40:14,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-23 06:40:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 1681 states and 1963 transitions. [2018-11-23 06:40:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 1963 transitions. [2018-11-23 06:40:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 06:40:15,094 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 06:40:19,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1729 states and 2018 transitions. [2018-11-23 06:40:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2018 transitions. [2018-11-23 06:40:19,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-23 06:40:19,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:19,684 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 06:40:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:20,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1749 states and 2037 transitions. [2018-11-23 06:40:20,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2037 transitions. [2018-11-23 06:40:20,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 06:40:20,978 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 06:40:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1809 states and 2097 transitions. [2018-11-23 06:40:24,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2097 transitions. [2018-11-23 06:40:24,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-23 06:40:24,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:24,554 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 221 proven. 3 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 06:40:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1842 states and 2135 transitions. [2018-11-23 06:40:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2135 transitions. [2018-11-23 06:40:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-23 06:40:25,398 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 62 proven. 263 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 06:40:28,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:28,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 1926 states and 2232 transitions. [2018-11-23 06:40:28,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2232 transitions. [2018-11-23 06:40:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 06:40:28,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:28,698 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 206 proven. 69 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 06:40:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 1996 states and 2305 transitions. [2018-11-23 06:40:29,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 2305 transitions. [2018-11-23 06:40:29,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 06:40:29,866 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:40:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2320 states to 2005 states and 2320 transitions. [2018-11-23 06:40:31,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2320 transitions. [2018-11-23 06:40:31,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 06:40:31,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:40:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2008 states and 2324 transitions. [2018-11-23 06:40:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 2324 transitions. [2018-11-23 06:40:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-11-23 06:40:32,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:40:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2332 states to 2017 states and 2332 transitions. [2018-11-23 06:40:34,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 2332 transitions. [2018-11-23 06:40:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 06:40:34,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 06:40:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2053 states and 2371 transitions. [2018-11-23 06:40:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2371 transitions. [2018-11-23 06:40:38,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 06:40:38,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:40:43,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:43,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2078 states and 2398 transitions. [2018-11-23 06:40:43,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2398 transitions. [2018-11-23 06:40:43,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 06:40:43,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:40:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2086 states and 2410 transitions. [2018-11-23 06:40:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2410 transitions. [2018-11-23 06:40:45,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 06:40:45,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:45,222 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:40:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2088 states and 2413 transitions. [2018-11-23 06:40:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2413 transitions. [2018-11-23 06:40:46,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-11-23 06:40:46,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:46,291 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:40:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:47,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2108 states and 2432 transitions. [2018-11-23 06:40:47,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2432 transitions. [2018-11-23 06:40:47,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-23 06:40:47,777 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 316 proven. 13 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-23 06:40:49,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2450 states to 2124 states and 2450 transitions. [2018-11-23 06:40:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2450 transitions. [2018-11-23 06:40:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 06:40:49,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:40:52,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2125 states and 2452 transitions. [2018-11-23 06:40:52,172 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2452 transitions. [2018-11-23 06:40:52,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 06:40:52,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:40:55,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2176 states and 2504 transitions. [2018-11-23 06:40:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2504 transitions. [2018-11-23 06:40:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-11-23 06:40:55,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-23 06:40:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:57,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2198 states and 2525 transitions. [2018-11-23 06:40:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 2525 transitions. [2018-11-23 06:40:57,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-23 06:40:57,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:57,398 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 06:40:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:57,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2200 states and 2527 transitions. [2018-11-23 06:40:57,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2527 transitions. [2018-11-23 06:40:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-23 06:40:57,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:57,759 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2018-11-23 06:40:57,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:40:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2202 states and 2528 transitions. [2018-11-23 06:40:57,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2528 transitions. [2018-11-23 06:40:57,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 06:40:57,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:40:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:40:58,599 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:41:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2220 states and 2552 transitions. [2018-11-23 06:41:01,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 2552 transitions. [2018-11-23 06:41:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 06:41:01,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:41:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:02,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2221 states and 2553 transitions. [2018-11-23 06:41:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2553 transitions. [2018-11-23 06:41:02,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-11-23 06:41:02,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-23 06:41:02,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 2223 states and 2555 transitions. [2018-11-23 06:41:02,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2555 transitions. [2018-11-23 06:41:03,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-11-23 06:41:03,000 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-23 06:41:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2243 states and 2577 transitions. [2018-11-23 06:41:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2577 transitions. [2018-11-23 06:41:06,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-23 06:41:06,085 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:41:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:41:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 121 proven. 372 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 06:41:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:41:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 2175 states and 2508 transitions. [2018-11-23 06:41:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2508 transitions. [2018-11-23 06:41:06,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:41:06,731 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-11-23 06:41:06,737 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 06:41:10,744 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 62 [2018-11-23 06:41:11,411 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:41:11,413 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 06:41:11,419 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-23 06:41:11,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:41:11 ImpRootNode [2018-11-23 06:41:11,420 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:41:11,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:41:11,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:41:11,420 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:41:11,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:39:35" (3/4) ... [2018-11-23 06:41:11,424 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:41:11,439 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-11-23 06:41:11,440 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 06:41:11,441 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:41:11,537 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4776e23c-4360-4b87-a195-e7bc3456bd2c/bin-2019/ukojak/witness.graphml [2018-11-23 06:41:11,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:41:11,538 INFO L168 Benchmark]: Toolchain (without parser) took 98193.13 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 951.1 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 518.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,538 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:41:11,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 918.8 MB in the beginning and 1.2 GB in the end (delta: -249.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,539 INFO L168 Benchmark]: Boogie Preprocessor took 42.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,539 INFO L168 Benchmark]: RCFGBuilder took 1279.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 933.7 MB in the end (delta: 228.7 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,539 INFO L168 Benchmark]: CodeCheck took 96279.72 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 933.7 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,542 INFO L168 Benchmark]: Witness Printer took 117.01 ms. Allocated memory is still 3.2 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:41:11,544 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, 198 locations, 1 error locations. SAFE Result, 91.5s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 284599372 SDtfs, 1854775560 SDslu, 1753137640 SDs, 0 SdLazy, -644174948 SolverSat, 1635654980 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 267.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110322 GetRequests, 105849 SyntacticMatches, 3443 SemanticMatches, 1030 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 843463 ImplicationChecksByTransitivity, 75.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 14.1s InterpolantComputationTime, 16771 NumberOfCodeBlocks, 16771 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 16682 ConstructedInterpolants, 0 QuantifiedInterpolants, 24502355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 67 PerfectInterpolantSequences, 17863/18833 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: 473]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (a20 == 1 || !(6 == a16)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(6 == a16)) || !(a8 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 918.8 MB in the beginning and 1.2 GB in the end (delta: -249.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1279.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 933.7 MB in the end (delta: 228.7 MB). Peak memory consumption was 228.7 MB. Max. memory is 11.5 GB. * CodeCheck took 96279.72 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 933.7 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 117.01 ms. Allocated memory is still 3.2 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...