./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/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 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:16:29,475 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:16:29,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:16:29,482 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:16:29,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:16:29,483 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:16:29,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:16:29,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:16:29,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:16:29,485 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:16:29,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:16:29,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:16:29,486 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:16:29,487 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:16:29,487 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:16:29,488 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:16:29,488 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:16:29,489 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:16:29,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:16:29,491 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:16:29,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:16:29,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:16:29,493 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:16:29,493 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:16:29,493 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:16:29,493 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:16:29,494 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:16:29,494 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:16:29,494 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:16:29,495 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:16:29,495 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:16:29,495 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:16:29,496 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:16:29,496 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:16:29,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:16:29,497 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:16:29,497 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 22:16:29,504 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:16:29,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:16:29,505 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:16:29,505 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 22:16:29,505 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:16:29,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:16:29,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:16:29,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:16:29,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:16:29,506 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:16:29,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:16:29,507 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:16:29,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:16:29,507 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_403f267a-c86f-4044-9749-ffabaa1179f4/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 -> 14ae8eb2d33b1f0bf446cd99369ade126e9422a8 [2018-12-08 22:16:29,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:16:29,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:16:29,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:16:29,533 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:16:29,534 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:16:29,534 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-12-08 22:16:29,567 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/data/b4a1023ea/5531c34d88dc4dc6ab82e838a849855c/FLAG332da3b64 [2018-12-08 22:16:30,054 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:16:30,054 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/sv-benchmarks/c/eca-rers2012/Problem01_label12_true-unreach-call_false-termination.c [2018-12-08 22:16:30,060 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/data/b4a1023ea/5531c34d88dc4dc6ab82e838a849855c/FLAG332da3b64 [2018-12-08 22:16:30,552 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/data/b4a1023ea/5531c34d88dc4dc6ab82e838a849855c [2018-12-08 22:16:30,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:16:30,554 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:16:30,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:16:30,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:16:30,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:16:30,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30, skipping insertion in model container [2018-12-08 22:16:30,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:16:30,588 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:16:30,764 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:16:30,767 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:16:30,852 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:16:30,861 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:16:30,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30 WrapperNode [2018-12-08 22:16:30,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:16:30,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:16:30,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:16:30,862 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:16:30,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:16:30,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:16:30,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:16:30,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:16:30,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... [2018-12-08 22:16:30,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:16:30,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:16:30,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:16:30,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:16:30,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:16:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:16:30,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:16:30,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:16:31,947 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:16:31,947 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 22:16:31,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:16:31 BoogieIcfgContainer [2018-12-08 22:16:31,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:16:31,948 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:16:31,948 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:16:31,955 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:16:31,956 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:16:31" (1/1) ... [2018-12-08 22:16:31,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:16:31,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:32,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 22:16:32,000 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 22:16:32,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 22:16:32,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2018-12-08 22:16:32,499 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2018-12-08 22:16:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 22:16:32,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:32,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2018-12-08 22:16:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2018-12-08 22:16:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 22:16:32,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2018-12-08 22:16:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2018-12-08 22:16:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 22:16:32,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:32,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 224 states and 321 transitions. [2018-12-08 22:16:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 321 transitions. [2018-12-08 22:16:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-08 22:16:33,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 234 states and 337 transitions. [2018-12-08 22:16:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 337 transitions. [2018-12-08 22:16:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 22:16:33,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 245 states and 355 transitions. [2018-12-08 22:16:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 355 transitions. [2018-12-08 22:16:33,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 22:16:33,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:34,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:34,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 248 states and 359 transitions. [2018-12-08 22:16:34,079 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 359 transitions. [2018-12-08 22:16:34,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 22:16:34,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 253 states and 364 transitions. [2018-12-08 22:16:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 364 transitions. [2018-12-08 22:16:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 22:16:34,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:16:34,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 264 states and 377 transitions. [2018-12-08 22:16:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2018-12-08 22:16:34,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 22:16:34,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:34,500 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:34,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 268 states and 384 transitions. [2018-12-08 22:16:34,785 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 384 transitions. [2018-12-08 22:16:34,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 22:16:34,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:34,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 271 states and 390 transitions. [2018-12-08 22:16:34,887 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 390 transitions. [2018-12-08 22:16:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 22:16:34,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:34,906 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 273 states and 391 transitions. [2018-12-08 22:16:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 391 transitions. [2018-12-08 22:16:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 22:16:35,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 275 states and 393 transitions. [2018-12-08 22:16:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 393 transitions. [2018-12-08 22:16:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 22:16:35,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:16:35,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:35,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 283 states and 402 transitions. [2018-12-08 22:16:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 402 transitions. [2018-12-08 22:16:35,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 22:16:35,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:35,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 288 states and 409 transitions. [2018-12-08 22:16:35,672 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 409 transitions. [2018-12-08 22:16:35,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 22:16:35,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:36,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 301 states and 430 transitions. [2018-12-08 22:16:36,155 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 430 transitions. [2018-12-08 22:16:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 22:16:36,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 306 states and 436 transitions. [2018-12-08 22:16:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 436 transitions. [2018-12-08 22:16:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 22:16:36,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:36,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 309 states and 439 transitions. [2018-12-08 22:16:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 439 transitions. [2018-12-08 22:16:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 22:16:36,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 328 states and 461 transitions. [2018-12-08 22:16:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 461 transitions. [2018-12-08 22:16:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 22:16:36,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 345 states and 481 transitions. [2018-12-08 22:16:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 481 transitions. [2018-12-08 22:16:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 22:16:37,137 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:16:37,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 347 states and 482 transitions. [2018-12-08 22:16:37,257 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 482 transitions. [2018-12-08 22:16:37,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 22:16:37,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:37,373 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 377 states and 516 transitions. [2018-12-08 22:16:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 516 transitions. [2018-12-08 22:16:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-08 22:16:37,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 393 states and 532 transitions. [2018-12-08 22:16:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 532 transitions. [2018-12-08 22:16:38,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-08 22:16:38,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:39,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 415 states and 560 transitions. [2018-12-08 22:16:39,652 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 560 transitions. [2018-12-08 22:16:39,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-08 22:16:39,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:40,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:40,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 420 states and 564 transitions. [2018-12-08 22:16:40,057 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 564 transitions. [2018-12-08 22:16:40,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 22:16:40,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 22:16:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 428 states and 575 transitions. [2018-12-08 22:16:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 575 transitions. [2018-12-08 22:16:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 22:16:40,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 22:16:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 429 states and 576 transitions. [2018-12-08 22:16:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 576 transitions. [2018-12-08 22:16:40,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 22:16:40,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:42,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 436 states and 588 transitions. [2018-12-08 22:16:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 588 transitions. [2018-12-08 22:16:42,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 22:16:42,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:42,204 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:42,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 441 states and 596 transitions. [2018-12-08 22:16:42,847 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 596 transitions. [2018-12-08 22:16:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 22:16:42,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 457 states and 615 transitions. [2018-12-08 22:16:43,187 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 615 transitions. [2018-12-08 22:16:43,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 22:16:43,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 22:16:43,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:43,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 468 states and 627 transitions. [2018-12-08 22:16:43,271 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 627 transitions. [2018-12-08 22:16:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 22:16:43,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 22:16:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 510 states and 676 transitions. [2018-12-08 22:16:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 676 transitions. [2018-12-08 22:16:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 22:16:44,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 22:16:45,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:45,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 517 states and 682 transitions. [2018-12-08 22:16:45,190 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 682 transitions. [2018-12-08 22:16:45,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 22:16:45,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:45,490 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:47,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 547 states and 722 transitions. [2018-12-08 22:16:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 722 transitions. [2018-12-08 22:16:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 22:16:47,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 550 states and 726 transitions. [2018-12-08 22:16:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 726 transitions. [2018-12-08 22:16:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 22:16:47,346 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 553 states and 730 transitions. [2018-12-08 22:16:47,640 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 730 transitions. [2018-12-08 22:16:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-08 22:16:47,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:47,668 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-08 22:16:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 578 states and 760 transitions. [2018-12-08 22:16:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 760 transitions. [2018-12-08 22:16:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-08 22:16:48,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 22:16:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:48,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 585 states and 767 transitions. [2018-12-08 22:16:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 767 transitions. [2018-12-08 22:16:48,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 22:16:48,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:50,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 617 states and 812 transitions. [2018-12-08 22:16:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 812 transitions. [2018-12-08 22:16:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 22:16:50,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:51,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 624 states and 820 transitions. [2018-12-08 22:16:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 820 transitions. [2018-12-08 22:16:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 22:16:51,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 22:16:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:51,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 640 states and 835 transitions. [2018-12-08 22:16:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 835 transitions. [2018-12-08 22:16:51,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 22:16:51,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 22:16:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:51,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 643 states and 838 transitions. [2018-12-08 22:16:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 838 transitions. [2018-12-08 22:16:51,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 22:16:51,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:16:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 708 states and 905 transitions. [2018-12-08 22:16:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 905 transitions. [2018-12-08 22:16:53,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 22:16:53,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:54,249 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:16:55,183 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 22:16:56,286 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 22:16:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:16:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 763 states and 965 transitions. [2018-12-08 22:16:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 965 transitions. [2018-12-08 22:16:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 22:16:58,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:16:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:16:59,543 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:00,832 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-08 22:17:03,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 831 states and 1047 transitions. [2018-12-08 22:17:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1047 transitions. [2018-12-08 22:17:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 22:17:03,031 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 835 states and 1051 transitions. [2018-12-08 22:17:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1051 transitions. [2018-12-08 22:17:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 22:17:03,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 22:17:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 836 states and 1051 transitions. [2018-12-08 22:17:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1051 transitions. [2018-12-08 22:17:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 22:17:03,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:03,626 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:03,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:03,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 875 states and 1090 transitions. [2018-12-08 22:17:03,725 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1090 transitions. [2018-12-08 22:17:03,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 22:17:03,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:17:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 885 states and 1104 transitions. [2018-12-08 22:17:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1104 transitions. [2018-12-08 22:17:05,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-08 22:17:05,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:05,244 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:17:05,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:05,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 888 states and 1107 transitions. [2018-12-08 22:17:05,540 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1107 transitions. [2018-12-08 22:17:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 22:17:05,541 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:17:06,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 957 states and 1177 transitions. [2018-12-08 22:17:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1177 transitions. [2018-12-08 22:17:06,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 22:17:06,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 22:17:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 977 states and 1203 transitions. [2018-12-08 22:17:07,800 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1203 transitions. [2018-12-08 22:17:07,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 22:17:07,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:07,877 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 22:17:08,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:08,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 979 states and 1205 transitions. [2018-12-08 22:17:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1205 transitions. [2018-12-08 22:17:08,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 22:17:08,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 22:17:08,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:08,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 981 states and 1207 transitions. [2018-12-08 22:17:08,737 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1207 transitions. [2018-12-08 22:17:08,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-08 22:17:08,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 22:17:08,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:08,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 983 states and 1209 transitions. [2018-12-08 22:17:08,850 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1209 transitions. [2018-12-08 22:17:08,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 22:17:08,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:08,892 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 22:17:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 987 states and 1212 transitions. [2018-12-08 22:17:10,099 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1212 transitions. [2018-12-08 22:17:10,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-08 22:17:10,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:10,141 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 22:17:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 990 states and 1216 transitions. [2018-12-08 22:17:10,328 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1216 transitions. [2018-12-08 22:17:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 22:17:10,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:13,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1016 states and 1246 transitions. [2018-12-08 22:17:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1246 transitions. [2018-12-08 22:17:13,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-08 22:17:13,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:13,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1019 states and 1250 transitions. [2018-12-08 22:17:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1250 transitions. [2018-12-08 22:17:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 22:17:13,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 22:17:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1053 states and 1287 transitions. [2018-12-08 22:17:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1287 transitions. [2018-12-08 22:17:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 22:17:15,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 22:17:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1069 states and 1306 transitions. [2018-12-08 22:17:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1306 transitions. [2018-12-08 22:17:16,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 22:17:16,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:20,248 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-08 22:17:22,834 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-08 22:17:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1129 states and 1373 transitions. [2018-12-08 22:17:25,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1373 transitions. [2018-12-08 22:17:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 22:17:25,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:25,344 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1160 states and 1406 transitions. [2018-12-08 22:17:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1406 transitions. [2018-12-08 22:17:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 22:17:28,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:28,651 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2018-12-08 22:17:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:32,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1184 states and 1433 transitions. [2018-12-08 22:17:32,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1433 transitions. [2018-12-08 22:17:32,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 22:17:32,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 22:17:33,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1187 states and 1436 transitions. [2018-12-08 22:17:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1436 transitions. [2018-12-08 22:17:33,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 22:17:33,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-08 22:17:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1189 states and 1437 transitions. [2018-12-08 22:17:33,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1437 transitions. [2018-12-08 22:17:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 22:17:33,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:34,987 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1244 states and 1510 transitions. [2018-12-08 22:17:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1510 transitions. [2018-12-08 22:17:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 22:17:48,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1272 states and 1543 transitions. [2018-12-08 22:17:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1543 transitions. [2018-12-08 22:17:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 22:17:55,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:17:55,716 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-08 22:17:57,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:17:57,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1290 states and 1561 transitions. [2018-12-08 22:17:57,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1561 transitions. [2018-12-08 22:17:57,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 22:17:57,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:17:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:17:59,141 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 22:18:03,178 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2018-12-08 22:18:04,519 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-08 22:18:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1338 states and 1616 transitions. [2018-12-08 22:18:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1616 transitions. [2018-12-08 22:18:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 22:18:04,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-08 22:18:05,942 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2018-12-08 22:18:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:07,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1340 states and 1616 transitions. [2018-12-08 22:18:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1616 transitions. [2018-12-08 22:18:07,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 22:18:07,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:07,883 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 22:18:09,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:09,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1410 states and 1690 transitions. [2018-12-08 22:18:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1690 transitions. [2018-12-08 22:18:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 22:18:09,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:18:13,598 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-12-08 22:18:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1414 states and 1697 transitions. [2018-12-08 22:18:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1697 transitions. [2018-12-08 22:18:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 22:18:15,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:15,738 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 22:18:16,313 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-08 22:18:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1417 states and 1701 transitions. [2018-12-08 22:18:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1701 transitions. [2018-12-08 22:18:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 22:18:17,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 22:18:18,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:18,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1487 states and 1776 transitions. [2018-12-08 22:18:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1776 transitions. [2018-12-08 22:18:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 22:18:18,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 22:18:22,201 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-08 22:18:36,344 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 27 [2018-12-08 22:18:38,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1623 states and 1938 transitions. [2018-12-08 22:18:38,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 1938 transitions. [2018-12-08 22:18:38,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 22:18:38,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 22:18:43,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1639 states and 1959 transitions. [2018-12-08 22:18:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1959 transitions. [2018-12-08 22:18:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 22:18:43,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:43,408 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 22:18:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1646 states and 1968 transitions. [2018-12-08 22:18:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 1968 transitions. [2018-12-08 22:18:44,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 22:18:44,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 22:18:45,020 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 22:18:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1648 states and 1969 transitions. [2018-12-08 22:18:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1969 transitions. [2018-12-08 22:18:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-08 22:18:46,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 189 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2018-12-08 22:18:48,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:18:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1650 states and 1973 transitions. [2018-12-08 22:18:48,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1973 transitions. [2018-12-08 22:18:48,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-12-08 22:18:48,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:18:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:18:48,887 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 22:18:55,957 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-08 22:19:03,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:19:03,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 1772 states and 2112 transitions. [2018-12-08 22:19:03,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2112 transitions. [2018-12-08 22:19:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 22:19:03,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:19:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:19:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 22:19:07,821 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-08 22:19:09,446 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-08 22:19:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:19:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1798 states and 2142 transitions. [2018-12-08 22:19:18,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2142 transitions. [2018-12-08 22:19:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 22:19:18,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:19:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:19:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 22:19:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:19:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1804 states and 2146 transitions. [2018-12-08 22:19:20,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2146 transitions. [2018-12-08 22:19:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 22:19:20,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:19:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:19:23,746 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-08 22:19:24,240 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 22:19:27,309 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-08 22:19:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:19:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1852 states and 2196 transitions. [2018-12-08 22:19:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2196 transitions. [2018-12-08 22:19:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 22:19:38,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:19:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:19:39,526 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 22:19:43,756 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2018-12-08 22:19:45,012 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2018-12-08 22:19:53,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:19:53,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 1903 states and 2253 transitions. [2018-12-08 22:19:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2253 transitions. [2018-12-08 22:19:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 22:19:53,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:19:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:19:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 22:19:55,851 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-12-08 22:19:56,326 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 22:19:58,753 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 22:19:58,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:19:58,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1908 states and 2258 transitions. [2018-12-08 22:19:58,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 2258 transitions. [2018-12-08 22:19:58,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 22:19:58,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:19:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:19:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 22:19:59,396 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 22:20:02,156 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 22:20:03,583 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 33 [2018-12-08 22:20:04,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1917 states and 2266 transitions. [2018-12-08 22:20:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 2266 transitions. [2018-12-08 22:20:04,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 22:20:04,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 22:20:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:05,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2270 states to 1922 states and 2270 transitions. [2018-12-08 22:20:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2270 transitions. [2018-12-08 22:20:05,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 22:20:05,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 22:20:06,598 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 22:20:07,337 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-08 22:20:10,044 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 22:20:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1941 states and 2288 transitions. [2018-12-08 22:20:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2288 transitions. [2018-12-08 22:20:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-12-08 22:20:11,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:11,640 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 22:20:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2018 states and 2370 transitions. [2018-12-08 22:20:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2370 transitions. [2018-12-08 22:20:15,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-08 22:20:15,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 241 proven. 8 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 22:20:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2029 states and 2383 transitions. [2018-12-08 22:20:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2383 transitions. [2018-12-08 22:20:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-08 22:20:21,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 241 proven. 8 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 22:20:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2031 states and 2385 transitions. [2018-12-08 22:20:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2385 transitions. [2018-12-08 22:20:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 22:20:22,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:22,269 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 22:20:22,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:22,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2033 states and 2386 transitions. [2018-12-08 22:20:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2386 transitions. [2018-12-08 22:20:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-12-08 22:20:22,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:23,158 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-12-08 22:20:23,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2035 states and 2387 transitions. [2018-12-08 22:20:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2387 transitions. [2018-12-08 22:20:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 22:20:23,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:25,415 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-08 22:20:26,581 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-08 22:20:27,734 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-12-08 22:20:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 22:20:33,486 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-08 22:20:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:36,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2099 states and 2453 transitions. [2018-12-08 22:20:36,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2453 transitions. [2018-12-08 22:20:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 22:20:36,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 22:20:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2103 states and 2459 transitions. [2018-12-08 22:20:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2459 transitions. [2018-12-08 22:20:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 22:20:38,713 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 22:20:39,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:39,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2106 states and 2462 transitions. [2018-12-08 22:20:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2462 transitions. [2018-12-08 22:20:39,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 22:20:39,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 22:20:43,315 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 22:20:45,731 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 22:20:48,669 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 22:20:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2126 states and 2482 transitions. [2018-12-08 22:20:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2482 transitions. [2018-12-08 22:20:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 22:20:50,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 22:20:51,733 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-08 22:20:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2145 states and 2501 transitions. [2018-12-08 22:20:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2501 transitions. [2018-12-08 22:20:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 22:20:54,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:54,733 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-08 22:20:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:20:55,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2502 states to 2147 states and 2502 transitions. [2018-12-08 22:20:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2502 transitions. [2018-12-08 22:20:55,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 22:20:55,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:20:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:20:57,584 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 22:21:00,887 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 22:21:01,712 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 22:21:05,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:05,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2169 states and 2528 transitions. [2018-12-08 22:21:05,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2528 transitions. [2018-12-08 22:21:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 22:21:05,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:05,236 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 22:21:06,796 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-08 22:21:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2195 states and 2552 transitions. [2018-12-08 22:21:07,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2552 transitions. [2018-12-08 22:21:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-08 22:21:07,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 22:21:11,958 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 22:21:14,012 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 22:21:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 2264 states and 2623 transitions. [2018-12-08 22:21:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2623 transitions. [2018-12-08 22:21:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-08 22:21:15,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-08 22:21:23,866 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2018-12-08 22:21:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 2378 states and 2747 transitions. [2018-12-08 22:21:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 2747 transitions. [2018-12-08 22:21:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 22:21:24,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:21:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 22:21:32,343 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-08 22:21:33,851 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-08 22:21:35,353 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-08 22:21:35,930 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-08 22:21:37,053 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 22:21:38,596 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 22:21:39,713 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 22:21:40,373 WARN L180 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 22:21:42,939 WARN L180 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2018-12-08 22:21:44,544 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-08 22:21:46,542 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-08 22:21:47,205 WARN L180 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-12-08 22:21:48,818 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-08 22:21:50,356 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 22:21:51,516 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 22:21:53,299 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-12-08 22:21:53,946 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-08 22:21:55,231 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-08 22:21:56,715 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-08 22:21:57,424 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-08 22:21:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:21:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 2447 states and 2817 transitions. [2018-12-08 22:21:59,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2817 transitions. [2018-12-08 22:21:59,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 22:21:59,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:21:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:01,490 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 22:22:03,511 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-08 22:22:04,444 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 22:22:07,211 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 22:22:08,097 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 22:22:09,547 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 22:22:14,537 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-08 22:22:16,158 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-08 22:22:16,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2495 states and 2867 transitions. [2018-12-08 22:22:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2867 transitions. [2018-12-08 22:22:16,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-08 22:22:16,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 291 proven. 319 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-12-08 22:22:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:19,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2940 states to 2565 states and 2940 transitions. [2018-12-08 22:22:19,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 2940 transitions. [2018-12-08 22:22:19,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 22:22:19,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 22:22:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2630 states and 3005 transitions. [2018-12-08 22:22:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3005 transitions. [2018-12-08 22:22:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 22:22:20,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 22:22:21,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2634 states and 3009 transitions. [2018-12-08 22:22:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3009 transitions. [2018-12-08 22:22:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2018-12-08 22:22:21,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:22:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:22:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-08 22:22:25,273 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2018-12-08 22:22:27,394 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2018-12-08 22:22:29,368 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2018-12-08 22:22:33,167 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2018-12-08 22:22:35,069 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2018-12-08 22:22:36,886 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2018-12-08 22:22:44,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:22:44,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2490 states and 2847 transitions. [2018-12-08 22:22:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 2847 transitions. [2018-12-08 22:22:44,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:22:44,558 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 111 iterations. [2018-12-08 22:22:44,564 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 22:22:44,725 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2018-12-08 22:22:44,953 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 47 [2018-12-08 22:22:45,151 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 42 [2018-12-08 22:22:45,349 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-12-08 22:22:45,528 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 42 [2018-12-08 22:22:45,774 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 40 [2018-12-08 22:22:45,972 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 32 [2018-12-08 22:22:46,148 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 42 [2018-12-08 22:22:46,368 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 42 [2018-12-08 22:22:46,667 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-12-08 22:22:46,846 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 39 [2018-12-08 22:22:47,028 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2018-12-08 22:22:47,132 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2018-12-08 22:22:47,324 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 42 [2018-12-08 22:22:47,516 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 42 [2018-12-08 22:22:47,625 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 34 [2018-12-08 22:22:47,896 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 39 [2018-12-08 22:22:47,998 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2018-12-08 22:22:48,280 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2018-12-08 22:22:48,469 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2018-12-08 22:22:48,642 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 40 [2018-12-08 22:22:48,812 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 40 [2018-12-08 22:22:49,093 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-08 22:22:49,277 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2018-12-08 22:22:49,454 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2018-12-08 22:22:49,707 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2018-12-08 22:22:49,974 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 45 [2018-12-08 22:22:50,148 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 45 [2018-12-08 22:22:50,403 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 45 [2018-12-08 22:22:50,592 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 40 [2018-12-08 22:22:50,866 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 42 [2018-12-08 22:22:51,153 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 45 [2018-12-08 22:22:51,352 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 40 [2018-12-08 22:22:51,619 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 41 [2018-12-08 22:22:51,796 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 40 [2018-12-08 22:22:51,913 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-08 22:22:52,157 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 38 [2018-12-08 22:22:52,353 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 32 [2018-12-08 22:22:52,639 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-08 22:22:52,748 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 34 [2018-12-08 22:22:52,918 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 38 [2018-12-08 22:22:53,199 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 38 [2018-12-08 22:22:53,467 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 42 [2018-12-08 22:22:54,071 WARN L180 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 75 [2018-12-08 22:22:54,221 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 33 [2018-12-08 22:22:54,370 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 34 [2018-12-08 22:22:54,645 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 47 [2018-12-08 22:22:54,839 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 47 [2018-12-08 22:22:55,028 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 42 [2018-12-08 22:22:55,304 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 40 [2018-12-08 22:22:55,487 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 40 [2018-12-08 22:22:55,658 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 38 [2018-12-08 22:22:55,830 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 42 [2018-12-08 22:22:55,830 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:22:55,832 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-08 22:22:55,838 INFO L583 CodeCheckObserver]: Invariant with dag size 32 [2018-12-08 22:22:55,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:22:55 ImpRootNode [2018-12-08 22:22:55,839 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:22:55,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:22:55,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:22:55,839 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:22:55,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:16:31" (3/4) ... [2018-12-08 22:22:55,842 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:22:55,853 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-12-08 22:22:55,853 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-08 22:22:55,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 22:22:55,854 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:22:55,908 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_403f267a-c86f-4044-9749-ffabaa1179f4/bin-2019/ukojak/witness.graphml [2018-12-08 22:22:55,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:22:55,909 INFO L168 Benchmark]: Toolchain (without parser) took 385355.11 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 643.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). Peak memory consumption was 526.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:55,910 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:22:55,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:55,910 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:55,910 INFO L168 Benchmark]: Boogie Preprocessor took 37.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:55,910 INFO L168 Benchmark]: RCFGBuilder took 1006.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.7 MB in the end (delta: 202.5 MB). Peak memory consumption was 202.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:55,910 INFO L168 Benchmark]: CodeCheck took 383891.13 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 497.5 MB). Free memory was 910.7 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 887.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:55,911 INFO L168 Benchmark]: Witness Printer took 69.28 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:22:55,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 372.5s OverallTime, 111 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 109415660 SDtfs, -2104654972 SDslu, -1524451328 SDs, 0 SdLazy, -1245054668 SolverSat, -1090932064 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 424.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139815 GetRequests, 133235 SyntacticMatches, 4938 SemanticMatches, 1642 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012477 ImplicationChecksByTransitivity, 345.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 46.2s InterpolantComputationTime, 20863 NumberOfCodeBlocks, 20863 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 20753 ConstructedInterpolants, 0 QuantifiedInterpolants, 36461952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 110 InterpolantComputations, 80 PerfectInterpolantSequences, 24775/26760 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: 536]: 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: ((((!(a7 == 1) || !(a16 == 5)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || (((a8 == 13 && a17 == 1) && a12 == 8) && a20 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a16 == 5) || ((((a8 == 15 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || !(a7 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1)) || (((a8 == 13 && a17 == 1) && a12 == 8) && a20 == 1)) || ((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 306.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1006.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 910.7 MB in the end (delta: 202.5 MB). Peak memory consumption was 202.5 MB. Max. memory is 11.5 GB. * CodeCheck took 383891.13 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 497.5 MB). Free memory was 910.7 MB in the beginning and 1.1 GB in the end (delta: -172.9 MB). Peak memory consumption was 887.1 MB. Max. memory is 11.5 GB. * Witness Printer took 69.28 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...