./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:36:36,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:36:36,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:36:36,511 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:36:36,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:36:36,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:36:36,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:36:36,514 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:36:36,515 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:36:36,516 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:36:36,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:36:36,517 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:36:36,517 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:36:36,518 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:36:36,519 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:36:36,520 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:36:36,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:36:36,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:36:36,523 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:36:36,524 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:36:36,525 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:36:36,526 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:36:36,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:36:36,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:36:36,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:36:36,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:36:36,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:36:36,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:36:36,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:36:36,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:36:36,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:36:36,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:36:36,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:36:36,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:36:36,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:36:36,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:36:36,535 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:36:36,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:36:36,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:36:36,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:36:36,546 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:36:36,547 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:36:36,547 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:36:36,548 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:36:36,548 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:36:36,548 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:36:36,548 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:36:36,548 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:36:36,548 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:36:36,548 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:36:36,549 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:36:36,549 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:36:36,549 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:36:36,549 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:36:36,549 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:36:36,549 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:36:36,549 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:36:36,550 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:36:36,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:36:36,550 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:36:36,550 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:36:36,550 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:36:36,550 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:36:36,550 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:36:36,550 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:36:36,551 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_89dd363d-7783-404d-a14d-adb96600a10b/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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-10-26 19:36:36,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:36:36,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:36:36,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:36:36,591 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:36:36,591 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:36:36,592 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-10-26 19:36:36,635 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/data/5c204decc/73b9c467fea948f299868cd64c5b3e73/FLAGf09b9cba5 [2018-10-26 19:36:37,093 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:36:37,094 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-10-26 19:36:37,103 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/data/5c204decc/73b9c467fea948f299868cd64c5b3e73/FLAGf09b9cba5 [2018-10-26 19:36:37,116 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/data/5c204decc/73b9c467fea948f299868cd64c5b3e73 [2018-10-26 19:36:37,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:36:37,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:36:37,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:36:37,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:36:37,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:36:37,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4905e68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37, skipping insertion in model container [2018-10-26 19:36:37,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:36:37,185 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:36:37,489 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:36:37,499 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:36:37,576 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:36:37,588 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:36:37,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37 WrapperNode [2018-10-26 19:36:37,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:36:37,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:36:37,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:36:37,589 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:36:37,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:36:37,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:36:37,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:36:37,811 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:36:37,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... [2018-10-26 19:36:37,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:36:37,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:36:37,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:36:37,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:36:37,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:36:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/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 [2018-10-26 19:36:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:36:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:36:37,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:36:41,670 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:36:41,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:36:41 BoogieIcfgContainer [2018-10-26 19:36:41,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:36:41,671 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:36:41,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:36:41,681 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:36:41,681 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:36:41" (1/1) ... [2018-10-26 19:36:41,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:36:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:41,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 19:36:41,724 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 19:36:41,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 19:36:41,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:42,193 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 19:36:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:42,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2018-10-26 19:36:42,905 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2018-10-26 19:36:42,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 19:36:42,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:36:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 148 states and 223 transitions. [2018-10-26 19:36:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 223 transitions. [2018-10-26 19:36:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 19:36:43,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:43,376 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2018-10-26 19:36:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2018-10-26 19:36:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 19:36:43,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:36:44,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 232 states and 324 transitions. [2018-10-26 19:36:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 324 transitions. [2018-10-26 19:36:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 19:36:44,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:36:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 267 states and 365 transitions. [2018-10-26 19:36:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 365 transitions. [2018-10-26 19:36:45,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-26 19:36:45,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:45,526 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:36:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 278 states and 383 transitions. [2018-10-26 19:36:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 383 transitions. [2018-10-26 19:36:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:36:46,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:36:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 290 states and 407 transitions. [2018-10-26 19:36:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 407 transitions. [2018-10-26 19:36:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:36:46,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:36:47,458 WARN L179 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2018-10-26 19:36:47,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 297 states and 415 transitions. [2018-10-26 19:36:47,814 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 415 transitions. [2018-10-26 19:36:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:36:47,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:36:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:48,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 304 states and 423 transitions. [2018-10-26 19:36:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 423 transitions. [2018-10-26 19:36:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:36:48,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:48,181 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:36:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 308 states and 427 transitions. [2018-10-26 19:36:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 427 transitions. [2018-10-26 19:36:48,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 19:36:48,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:48,450 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:36:48,935 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 19:36:49,347 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:36:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 310 states and 428 transitions. [2018-10-26 19:36:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 428 transitions. [2018-10-26 19:36:49,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 19:36:49,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:49,659 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:36:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 322 states and 440 transitions. [2018-10-26 19:36:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 440 transitions. [2018-10-26 19:36:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 19:36:49,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:36:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 324 states and 442 transitions. [2018-10-26 19:36:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 442 transitions. [2018-10-26 19:36:50,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 19:36:50,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:51,612 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 19:36:51,991 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:36:52,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:52,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 370 states and 492 transitions. [2018-10-26 19:36:52,425 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 492 transitions. [2018-10-26 19:36:52,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:36:52,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:52,474 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:36:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 376 states and 500 transitions. [2018-10-26 19:36:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 500 transitions. [2018-10-26 19:36:52,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:36:52,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:36:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:53,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 379 states and 502 transitions. [2018-10-26 19:36:53,163 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 502 transitions. [2018-10-26 19:36:53,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:36:53,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:36:53,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 382 states and 504 transitions. [2018-10-26 19:36:53,355 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 504 transitions. [2018-10-26 19:36:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:36:53,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:53,395 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 425 states and 554 transitions. [2018-10-26 19:36:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 554 transitions. [2018-10-26 19:36:53,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 19:36:53,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:36:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 430 states and 560 transitions. [2018-10-26 19:36:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 560 transitions. [2018-10-26 19:36:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-26 19:36:54,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:54,257 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:36:54,628 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:36:54,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 437 states and 568 transitions. [2018-10-26 19:36:54,684 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 568 transitions. [2018-10-26 19:36:54,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 19:36:54,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:36:55,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:55,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 443 states and 578 transitions. [2018-10-26 19:36:55,457 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 578 transitions. [2018-10-26 19:36:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 19:36:55,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:36:55,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:55,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 444 states and 578 transitions. [2018-10-26 19:36:55,793 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 578 transitions. [2018-10-26 19:36:55,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 19:36:55,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:36:56,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 462 states and 599 transitions. [2018-10-26 19:36:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 599 transitions. [2018-10-26 19:36:56,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 19:36:56,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:56,960 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:58,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 527 states and 666 transitions. [2018-10-26 19:36:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 666 transitions. [2018-10-26 19:36:58,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 19:36:58,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:58,443 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-10-26 19:36:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:58,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 531 states and 669 transitions. [2018-10-26 19:36:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 669 transitions. [2018-10-26 19:36:58,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 19:36:58,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:01,064 WARN L179 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 12 [2018-10-26 19:37:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 19:37:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 545 states and 685 transitions. [2018-10-26 19:37:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 685 transitions. [2018-10-26 19:37:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 19:37:02,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:04,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 600 states and 753 transitions. [2018-10-26 19:37:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 753 transitions. [2018-10-26 19:37:04,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 19:37:04,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:04,568 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:05,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 615 states and 766 transitions. [2018-10-26 19:37:05,751 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 766 transitions. [2018-10-26 19:37:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 19:37:05,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 19:37:06,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 633 states and 784 transitions. [2018-10-26 19:37:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 784 transitions. [2018-10-26 19:37:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:37:06,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:08,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 641 states and 795 transitions. [2018-10-26 19:37:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 795 transitions. [2018-10-26 19:37:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:37:08,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:37:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 653 states and 817 transitions. [2018-10-26 19:37:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 817 transitions. [2018-10-26 19:37:09,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:37:09,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:37:10,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 657 states and 824 transitions. [2018-10-26 19:37:10,262 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 824 transitions. [2018-10-26 19:37:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:37:10,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:37:11,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:11,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 664 states and 834 transitions. [2018-10-26 19:37:11,017 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 834 transitions. [2018-10-26 19:37:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:37:11,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:37:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 666 states and 836 transitions. [2018-10-26 19:37:11,259 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 836 transitions. [2018-10-26 19:37:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 19:37:11,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:37:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 667 states and 837 transitions. [2018-10-26 19:37:11,470 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 837 transitions. [2018-10-26 19:37:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 19:37:11,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:11,544 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:37:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 668 states and 837 transitions. [2018-10-26 19:37:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 837 transitions. [2018-10-26 19:37:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 19:37:11,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 19:37:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 696 states and 870 transitions. [2018-10-26 19:37:12,303 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 870 transitions. [2018-10-26 19:37:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 19:37:12,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 19:37:12,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 739 states and 913 transitions. [2018-10-26 19:37:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 913 transitions. [2018-10-26 19:37:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 19:37:12,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 138 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 19:37:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 744 states and 922 transitions. [2018-10-26 19:37:14,242 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 922 transitions. [2018-10-26 19:37:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 19:37:14,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:14,298 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 138 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-10-26 19:37:14,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:14,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 751 states and 930 transitions. [2018-10-26 19:37:14,797 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 930 transitions. [2018-10-26 19:37:14,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 19:37:14,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-10-26 19:37:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 877 states and 1064 transitions. [2018-10-26 19:37:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1064 transitions. [2018-10-26 19:37:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 19:37:16,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-26 19:37:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:17,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 879 states and 1066 transitions. [2018-10-26 19:37:17,005 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1066 transitions. [2018-10-26 19:37:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 19:37:17,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-26 19:37:17,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:17,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 880 states and 1066 transitions. [2018-10-26 19:37:17,573 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1066 transitions. [2018-10-26 19:37:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 19:37:17,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 945 states and 1139 transitions. [2018-10-26 19:37:21,161 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1139 transitions. [2018-10-26 19:37:21,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 19:37:21,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:22,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 952 states and 1149 transitions. [2018-10-26 19:37:22,399 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1149 transitions. [2018-10-26 19:37:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 19:37:22,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:24,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 1007 states and 1207 transitions. [2018-10-26 19:37:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1207 transitions. [2018-10-26 19:37:24,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 19:37:24,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 145 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 19:37:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1072 states and 1280 transitions. [2018-10-26 19:37:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1280 transitions. [2018-10-26 19:37:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 19:37:27,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:28,056 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 145 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 19:37:28,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1077 states and 1286 transitions. [2018-10-26 19:37:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1286 transitions. [2018-10-26 19:37:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:37:28,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 19:37:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1108 states and 1319 transitions. [2018-10-26 19:37:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1319 transitions. [2018-10-26 19:37:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:37:29,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 19:37:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1109 states and 1319 transitions. [2018-10-26 19:37:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1319 transitions. [2018-10-26 19:37:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 19:37:29,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:29,784 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-26 19:37:30,901 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2018-10-26 19:37:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1127 states and 1341 transitions. [2018-10-26 19:37:32,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1341 transitions. [2018-10-26 19:37:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 19:37:32,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 19:37:33,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:33,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1195 states and 1411 transitions. [2018-10-26 19:37:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1411 transitions. [2018-10-26 19:37:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-26 19:37:33,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-10-26 19:37:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1197 states and 1414 transitions. [2018-10-26 19:37:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1414 transitions. [2018-10-26 19:37:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 19:37:34,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 156 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 19:37:35,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1270 states and 1496 transitions. [2018-10-26 19:37:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1496 transitions. [2018-10-26 19:37:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 19:37:35,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:37:37,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:37,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1280 states and 1515 transitions. [2018-10-26 19:37:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1515 transitions. [2018-10-26 19:37:37,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 19:37:37,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 218 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:37:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:38,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1283 states and 1519 transitions. [2018-10-26 19:37:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1519 transitions. [2018-10-26 19:37:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 19:37:38,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:38,811 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:37:39,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:39,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1286 states and 1523 transitions. [2018-10-26 19:37:39,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1523 transitions. [2018-10-26 19:37:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-26 19:37:39,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:40,508 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 265 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-26 19:37:44,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1341 states and 1586 transitions. [2018-10-26 19:37:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1586 transitions. [2018-10-26 19:37:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 19:37:44,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 287 proven. 5 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 19:37:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1346 states and 1594 transitions. [2018-10-26 19:37:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1594 transitions. [2018-10-26 19:37:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 19:37:45,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 287 proven. 5 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 19:37:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1350 states and 1598 transitions. [2018-10-26 19:37:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1598 transitions. [2018-10-26 19:37:46,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-10-26 19:37:46,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 287 proven. 5 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 19:37:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:46,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1354 states and 1602 transitions. [2018-10-26 19:37:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1602 transitions. [2018-10-26 19:37:46,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 19:37:46,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-10-26 19:37:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:49,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1395 states and 1648 transitions. [2018-10-26 19:37:49,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1648 transitions. [2018-10-26 19:37:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 19:37:49,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:49,326 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 19:37:52,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:52,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1453 states and 1715 transitions. [2018-10-26 19:37:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1715 transitions. [2018-10-26 19:37:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-26 19:37:52,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-10-26 19:37:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1501 states and 1763 transitions. [2018-10-26 19:37:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1763 transitions. [2018-10-26 19:37:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:37:55,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 236 proven. 5 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-26 19:37:56,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:56,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1581 states and 1849 transitions. [2018-10-26 19:37:56,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1849 transitions. [2018-10-26 19:37:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-26 19:37:56,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:57,035 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-10-26 19:37:57,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1585 states and 1852 transitions. [2018-10-26 19:37:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1852 transitions. [2018-10-26 19:37:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 19:37:57,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:58,011 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:00,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:00,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1600 states and 1870 transitions. [2018-10-26 19:38:00,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1870 transitions. [2018-10-26 19:38:00,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 19:38:00,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1604 states and 1874 transitions. [2018-10-26 19:38:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1874 transitions. [2018-10-26 19:38:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 19:38:01,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:05,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1658 states and 1940 transitions. [2018-10-26 19:38:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1940 transitions. [2018-10-26 19:38:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 19:38:05,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:08,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:08,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1703 states and 1989 transitions. [2018-10-26 19:38:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1989 transitions. [2018-10-26 19:38:08,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 19:38:08,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:08,865 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:11,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1747 states and 2034 transitions. [2018-10-26 19:38:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2034 transitions. [2018-10-26 19:38:11,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-26 19:38:11,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:38:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:17,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1793 states and 2081 transitions. [2018-10-26 19:38:17,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2081 transitions. [2018-10-26 19:38:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-26 19:38:17,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:17,432 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:38:18,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2090 states to 1800 states and 2090 transitions. [2018-10-26 19:38:18,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2090 transitions. [2018-10-26 19:38:18,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-26 19:38:18,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:18,868 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-26 19:38:20,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:20,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1809 states and 2100 transitions. [2018-10-26 19:38:20,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2100 transitions. [2018-10-26 19:38:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-26 19:38:20,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-26 19:38:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1811 states and 2101 transitions. [2018-10-26 19:38:21,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2101 transitions. [2018-10-26 19:38:21,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-26 19:38:21,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:38:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1850 states and 2145 transitions. [2018-10-26 19:38:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2145 transitions. [2018-10-26 19:38:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-26 19:38:27,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:28,168 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 19:38:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:29,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1864 states and 2159 transitions. [2018-10-26 19:38:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2159 transitions. [2018-10-26 19:38:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 19:38:29,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:30,003 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:32,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1879 states and 2177 transitions. [2018-10-26 19:38:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2177 transitions. [2018-10-26 19:38:32,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 19:38:32,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:32,704 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:37,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:37,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1903 states and 2210 transitions. [2018-10-26 19:38:37,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2210 transitions. [2018-10-26 19:38:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 19:38:37,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:39,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:39,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1910 states and 2220 transitions. [2018-10-26 19:38:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2220 transitions. [2018-10-26 19:38:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 19:38:39,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1911 states and 2220 transitions. [2018-10-26 19:38:39,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2220 transitions. [2018-10-26 19:38:39,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 19:38:39,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1912 states and 2220 transitions. [2018-10-26 19:38:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2220 transitions. [2018-10-26 19:38:40,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-26 19:38:40,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 19:38:40,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1914 states and 2222 transitions. [2018-10-26 19:38:40,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2222 transitions. [2018-10-26 19:38:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 19:38:40,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 489 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:38:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1920 states and 2229 transitions. [2018-10-26 19:38:43,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2229 transitions. [2018-10-26 19:38:43,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-26 19:38:43,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 416 proven. 23 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-26 19:38:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1935 states and 2246 transitions. [2018-10-26 19:38:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 2246 transitions. [2018-10-26 19:38:46,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-26 19:38:46,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:47,288 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 416 proven. 23 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-10-26 19:38:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 1939 states and 2250 transitions. [2018-10-26 19:38:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2250 transitions. [2018-10-26 19:38:47,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-26 19:38:47,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:38:50,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:50,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1981 states and 2298 transitions. [2018-10-26 19:38:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2298 transitions. [2018-10-26 19:38:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-26 19:38:50,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:52,590 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 19:39:02,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2117 states and 2467 transitions. [2018-10-26 19:39:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2467 transitions. [2018-10-26 19:39:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-26 19:39:02,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:03,583 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-10-26 19:39:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:39:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 2155 states and 2513 transitions. [2018-10-26 19:39:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2513 transitions. [2018-10-26 19:39:08,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-26 19:39:08,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:39:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2171 states and 2527 transitions. [2018-10-26 19:39:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2527 transitions. [2018-10-26 19:39:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-26 19:39:11,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:39:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 2172 states and 2527 transitions. [2018-10-26 19:39:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2527 transitions. [2018-10-26 19:39:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-26 19:39:12,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:39:13,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:13,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2173 states and 2529 transitions. [2018-10-26 19:39:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2529 transitions. [2018-10-26 19:39:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-26 19:39:13,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 466 proven. 42 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 19:39:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2175 states and 2530 transitions. [2018-10-26 19:39:14,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 2530 transitions. [2018-10-26 19:39:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-26 19:39:14,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 532 proven. 5 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-26 19:39:17,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:17,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2186 states and 2542 transitions. [2018-10-26 19:39:17,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2542 transitions. [2018-10-26 19:39:17,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-26 19:39:17,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 532 proven. 5 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-26 19:39:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2190 states and 2546 transitions. [2018-10-26 19:39:19,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2546 transitions. [2018-10-26 19:39:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-10-26 19:39:19,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-26 19:39:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2197 states and 2554 transitions. [2018-10-26 19:39:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2554 transitions. [2018-10-26 19:39:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-26 19:39:20,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 561 proven. 12 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-10-26 19:39:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2058 states and 2410 transitions. [2018-10-26 19:39:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2410 transitions. [2018-10-26 19:39:21,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:39:21,169 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 98 iterations. [2018-10-26 19:39:21,179 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:39:21,308 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2018-10-26 19:39:21,540 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-10-26 19:39:21,763 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 33 [2018-10-26 19:39:21,909 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:22,047 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 25 [2018-10-26 19:39:22,298 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 54 [2018-10-26 19:39:22,436 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2018-10-26 19:39:22,618 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 25 [2018-10-26 19:39:22,733 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:22,969 WARN L179 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-10-26 19:39:23,297 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 54 [2018-10-26 19:39:23,450 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2018-10-26 19:39:23,639 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 30 [2018-10-26 19:39:23,843 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2018-10-26 19:39:24,060 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 33 [2018-10-26 19:39:24,177 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:24,459 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 29 [2018-10-26 19:39:25,021 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 25 [2018-10-26 19:39:25,319 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:25,587 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 53 [2018-10-26 19:39:25,819 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:25,966 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:26,081 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:26,311 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 25 [2018-10-26 19:39:26,417 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2018-10-26 19:39:26,981 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2018-10-26 19:39:27,226 WARN L179 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 55 [2018-10-26 19:39:27,598 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 33 [2018-10-26 19:39:27,766 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 33 [2018-10-26 19:39:27,891 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-10-26 19:39:28,006 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 32 [2018-10-26 19:39:28,223 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 53 [2018-10-26 19:39:28,223 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:39:28,225 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 19:39:28,231 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 19:39:28,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:39:28 ImpRootNode [2018-10-26 19:39:28,232 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:39:28,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:39:28,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:39:28,232 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:39:28,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:36:41" (3/4) ... [2018-10-26 19:39:28,236 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:39:28,252 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-10-26 19:39:28,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 19:39:28,253 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 19:39:28,255 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 19:39:28,378 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_89dd363d-7783-404d-a14d-adb96600a10b/bin-2019/ukojak/witness.graphml [2018-10-26 19:39:28,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:39:28,379 INFO L168 Benchmark]: Toolchain (without parser) took 171259.55 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 951.8 MB in the beginning and 1.4 GB in the end (delta: -403.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-10-26 19:39:28,380 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:39:28,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.69 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:28,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 221.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:28,380 INFO L168 Benchmark]: Boogie Preprocessor took 64.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:28,381 INFO L168 Benchmark]: RCFGBuilder took 3795.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.3 MB in the end (delta: 223.4 MB). Peak memory consumption was 223.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:28,381 INFO L168 Benchmark]: CodeCheck took 166560.30 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 926.3 MB in the beginning and 1.4 GB in the end (delta: -429.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-10-26 19:39:28,381 INFO L168 Benchmark]: Witness Printer took 146.64 ms. Allocated memory is still 3.0 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:39:28,383 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, 199 locations, 1 error locations. SAFE Result, 159.4s OverallTime, 98 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -984542180 SDtfs, 1732645906 SDslu, 383357178 SDs, 0 SdLazy, 545886900 SolverSat, 1362805856 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 524.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129924 GetRequests, 124483 SyntacticMatches, 4211 SemanticMatches, 1230 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1182411 ImplicationChecksByTransitivity, 135.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 33.1s InterpolantComputationTime, 20109 NumberOfCodeBlocks, 20109 NumberOfCodeBlocksAsserted, 97 NumberOfCheckSat, 20012 ConstructedInterpolants, 0 QuantifiedInterpolants, 34808691 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 97 InterpolantComputations, 56 PerfectInterpolantSequences, 25021/26209 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: 458]: 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 || !(a8 == 13)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a8 == 13)) || ((((!(a21 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0)) || !(a7 == 1) * 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 467.69 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 221.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -232.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3795.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 926.3 MB in the end (delta: 223.4 MB). Peak memory consumption was 223.4 MB. Max. memory is 11.5 GB. * CodeCheck took 166560.30 ms. Allocated memory was 1.2 GB in the beginning and 3.0 GB in the end (delta: 1.8 GB). Free memory was 926.3 MB in the beginning and 1.4 GB in the end (delta: -429.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 146.64 ms. Allocated memory is still 3.0 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...