./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label56_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_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/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 ba14f37e794170b10f4bcc13681acbd0ae9fe016 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 03:20:24,558 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:20:24,559 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:20:24,565 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:20:24,565 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:20:24,566 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:20:24,567 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:20:24,568 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:20:24,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:20:24,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:20:24,571 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:20:24,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:20:24,572 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:20:24,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:20:24,573 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:20:24,574 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:20:24,574 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:20:24,576 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:20:24,577 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:20:24,578 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:20:24,579 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:20:24,580 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:20:24,582 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:20:24,582 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:20:24,582 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:20:24,583 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:20:24,583 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:20:24,584 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:20:24,585 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:20:24,586 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:20:24,586 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:20:24,586 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:20:24,586 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:20:24,587 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:20:24,587 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:20:24,588 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:20:24,588 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 03:20:24,596 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:20:24,597 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:20:24,597 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:20:24,597 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 03:20:24,598 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 03:20:24,598 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 03:20:24,598 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:20:24,598 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:20:24,599 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:20:24,599 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 03:20:24,600 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 03:20:24,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:20:24,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:20:24,600 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_9d5fb8d4-6dba-4f80-9617-350a50b62e62/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 -> ba14f37e794170b10f4bcc13681acbd0ae9fe016 [2018-12-02 03:20:24,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:20:24,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:20:24,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:20:24,635 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:20:24,635 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:20:24,636 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c [2018-12-02 03:20:24,676 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/data/8153d27b8/7bc230039d5647938f1b49aa61e124ec/FLAG10caa68c3 [2018-12-02 03:20:25,155 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:20:25,156 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/sv-benchmarks/c/eca-rers2012/Problem02_label56_true-unreach-call_false-termination.c [2018-12-02 03:20:25,162 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/data/8153d27b8/7bc230039d5647938f1b49aa61e124ec/FLAG10caa68c3 [2018-12-02 03:20:25,171 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/data/8153d27b8/7bc230039d5647938f1b49aa61e124ec [2018-12-02 03:20:25,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:20:25,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:20:25,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:20:25,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:20:25,176 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:20:25,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25, skipping insertion in model container [2018-12-02 03:20:25,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:20:25,204 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:20:25,371 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:20:25,375 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:20:25,459 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:20:25,469 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:20:25,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25 WrapperNode [2018-12-02 03:20:25,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:20:25,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:20:25,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:20:25,470 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:20:25,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:20:25,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:20:25,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:20:25,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:20:25,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... [2018-12-02 03:20:25,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:20:25,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:20:25,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:20:25,538 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:20:25,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:20:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/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 [2018-12-02 03:20:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:20:25,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:20:26,550 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:20:26,551 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 03:20:26,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:26 BoogieIcfgContainer [2018-12-02 03:20:26,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:20:26,551 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 03:20:26,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 03:20:26,558 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 03:20:26,559 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:26" (1/1) ... [2018-12-02 03:20:26,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:20:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 03:20:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 03:20:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 03:20:26,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2018-12-02 03:20:27,115 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2018-12-02 03:20:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 03:20:27,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 03:20:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:27,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 246 states and 341 transitions. [2018-12-02 03:20:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 341 transitions. [2018-12-02 03:20:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 03:20:27,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:27,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 251 states and 346 transitions. [2018-12-02 03:20:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 346 transitions. [2018-12-02 03:20:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 03:20:27,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:27,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:27,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 256 states and 351 transitions. [2018-12-02 03:20:27,727 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 351 transitions. [2018-12-02 03:20:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 03:20:27,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 274 states and 373 transitions. [2018-12-02 03:20:27,970 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 373 transitions. [2018-12-02 03:20:27,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 03:20:27,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:28,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 292 states and 399 transitions. [2018-12-02 03:20:28,257 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 399 transitions. [2018-12-02 03:20:28,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 03:20:28,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:28,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 296 states and 406 transitions. [2018-12-02 03:20:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 406 transitions. [2018-12-02 03:20:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 03:20:28,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 314 states and 426 transitions. [2018-12-02 03:20:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 426 transitions. [2018-12-02 03:20:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 03:20:28,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 03:20:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:28,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 318 states and 432 transitions. [2018-12-02 03:20:28,854 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 432 transitions. [2018-12-02 03:20:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 03:20:28,854 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:20:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 397 states and 516 transitions. [2018-12-02 03:20:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 516 transitions. [2018-12-02 03:20:29,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 03:20:29,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 415 states and 535 transitions. [2018-12-02 03:20:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 535 transitions. [2018-12-02 03:20:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-02 03:20:29,755 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 439 states and 564 transitions. [2018-12-02 03:20:30,357 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 564 transitions. [2018-12-02 03:20:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 03:20:30,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:30,411 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 03:20:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:30,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 443 states and 570 transitions. [2018-12-02 03:20:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 570 transitions. [2018-12-02 03:20:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 03:20:30,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 449 states and 577 transitions. [2018-12-02 03:20:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 577 transitions. [2018-12-02 03:20:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-02 03:20:30,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:31,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:31,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 462 states and 593 transitions. [2018-12-02 03:20:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 593 transitions. [2018-12-02 03:20:31,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 03:20:31,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 465 states and 596 transitions. [2018-12-02 03:20:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 596 transitions. [2018-12-02 03:20:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 03:20:31,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:31,541 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:20:31,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:31,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 474 states and 608 transitions. [2018-12-02 03:20:31,721 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 608 transitions. [2018-12-02 03:20:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 03:20:31,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:31,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 485 states and 620 transitions. [2018-12-02 03:20:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 620 transitions. [2018-12-02 03:20:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 03:20:31,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:31,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 525 states and 671 transitions. [2018-12-02 03:20:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 671 transitions. [2018-12-02 03:20:33,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 03:20:33,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 03:20:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 532 states and 679 transitions. [2018-12-02 03:20:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 679 transitions. [2018-12-02 03:20:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 03:20:33,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:20:33,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:33,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 537 states and 685 transitions. [2018-12-02 03:20:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 685 transitions. [2018-12-02 03:20:33,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 03:20:33,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:20:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 545 states and 697 transitions. [2018-12-02 03:20:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 697 transitions. [2018-12-02 03:20:33,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 03:20:33,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:33,895 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 03:20:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 550 states and 702 transitions. [2018-12-02 03:20:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 702 transitions. [2018-12-02 03:20:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 03:20:33,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 03:20:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 556 states and 710 transitions. [2018-12-02 03:20:34,147 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 710 transitions. [2018-12-02 03:20:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 03:20:34,148 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 03:20:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:34,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 557 states and 711 transitions. [2018-12-02 03:20:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 711 transitions. [2018-12-02 03:20:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 03:20:34,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 03:20:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:34,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 562 states and 715 transitions. [2018-12-02 03:20:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 715 transitions. [2018-12-02 03:20:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 03:20:34,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 03:20:35,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:35,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 606 states and 775 transitions. [2018-12-02 03:20:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 775 transitions. [2018-12-02 03:20:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 03:20:35,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 03:20:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 624 states and 794 transitions. [2018-12-02 03:20:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 794 transitions. [2018-12-02 03:20:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 03:20:35,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 03:20:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 625 states and 795 transitions. [2018-12-02 03:20:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 795 transitions. [2018-12-02 03:20:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 03:20:35,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:35,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 667 states and 839 transitions. [2018-12-02 03:20:35,996 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 839 transitions. [2018-12-02 03:20:35,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 03:20:35,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:36,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:36,127 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 685 states and 861 transitions. [2018-12-02 03:20:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 861 transitions. [2018-12-02 03:20:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 03:20:36,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 03:20:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 704 states and 884 transitions. [2018-12-02 03:20:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 884 transitions. [2018-12-02 03:20:37,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-02 03:20:37,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:37,783 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 03:20:37,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 705 states and 885 transitions. [2018-12-02 03:20:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 885 transitions. [2018-12-02 03:20:37,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 03:20:37,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:38,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 741 states and 924 transitions. [2018-12-02 03:20:38,174 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 924 transitions. [2018-12-02 03:20:38,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 03:20:38,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:38,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 03:20:38,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:38,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 760 states and 945 transitions. [2018-12-02 03:20:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 945 transitions. [2018-12-02 03:20:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 03:20:38,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 03:20:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 767 states and 952 transitions. [2018-12-02 03:20:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 952 transitions. [2018-12-02 03:20:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 03:20:38,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 03:20:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 784 states and 970 transitions. [2018-12-02 03:20:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 970 transitions. [2018-12-02 03:20:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 03:20:39,134 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:39,209 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 03:20:39,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 796 states and 982 transitions. [2018-12-02 03:20:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 982 transitions. [2018-12-02 03:20:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-02 03:20:39,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 809 states and 995 transitions. [2018-12-02 03:20:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 995 transitions. [2018-12-02 03:20:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 03:20:39,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 03:20:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 811 states and 997 transitions. [2018-12-02 03:20:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 997 transitions. [2018-12-02 03:20:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 03:20:39,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:39,954 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:40,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 827 states and 1014 transitions. [2018-12-02 03:20:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1014 transitions. [2018-12-02 03:20:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 03:20:40,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:40,409 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:40,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 833 states and 1020 transitions. [2018-12-02 03:20:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1020 transitions. [2018-12-02 03:20:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 03:20:40,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 03:20:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:40,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 840 states and 1027 transitions. [2018-12-02 03:20:40,490 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1027 transitions. [2018-12-02 03:20:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 03:20:40,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:42,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 851 states and 1043 transitions. [2018-12-02 03:20:42,157 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1043 transitions. [2018-12-02 03:20:42,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 03:20:42,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:42,216 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 03:20:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 863 states and 1054 transitions. [2018-12-02 03:20:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1054 transitions. [2018-12-02 03:20:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 03:20:42,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:42,757 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 03:20:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:43,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 900 states and 1094 transitions. [2018-12-02 03:20:43,514 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1094 transitions. [2018-12-02 03:20:43,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 03:20:43,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 99 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 03:20:43,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 906 states and 1104 transitions. [2018-12-02 03:20:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1104 transitions. [2018-12-02 03:20:43,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 03:20:43,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:43,993 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 99 proven. 8 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-02 03:20:44,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:44,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 911 states and 1108 transitions. [2018-12-02 03:20:44,159 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1108 transitions. [2018-12-02 03:20:44,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 03:20:44,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:44,208 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 03:20:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:44,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 939 states and 1146 transitions. [2018-12-02 03:20:44,700 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1146 transitions. [2018-12-02 03:20:44,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 03:20:44,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-02 03:20:45,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:45,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 957 states and 1170 transitions. [2018-12-02 03:20:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1170 transitions. [2018-12-02 03:20:45,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 03:20:45,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-02 03:20:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1015 states and 1229 transitions. [2018-12-02 03:20:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1229 transitions. [2018-12-02 03:20:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 03:20:49,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:49,356 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 03:20:50,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1107 states and 1325 transitions. [2018-12-02 03:20:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1325 transitions. [2018-12-02 03:20:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 03:20:50,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:50,784 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 03:20:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1165 states and 1383 transitions. [2018-12-02 03:20:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1383 transitions. [2018-12-02 03:20:54,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-02 03:20:54,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:54,579 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 03:20:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1178 states and 1395 transitions. [2018-12-02 03:20:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1395 transitions. [2018-12-02 03:20:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 03:20:54,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:54,864 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 124 proven. 5 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 03:20:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1212 states and 1438 transitions. [2018-12-02 03:20:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1438 transitions. [2018-12-02 03:20:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 03:20:56,047 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:56,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:56,128 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 124 proven. 5 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 03:20:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1224 states and 1449 transitions. [2018-12-02 03:20:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1449 transitions. [2018-12-02 03:20:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 03:20:56,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 03:20:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1235 states and 1461 transitions. [2018-12-02 03:20:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1461 transitions. [2018-12-02 03:20:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 03:20:56,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 132 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-02 03:20:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1245 states and 1471 transitions. [2018-12-02 03:20:57,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1471 transitions. [2018-12-02 03:20:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 03:20:57,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:20:57,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1264 states and 1493 transitions. [2018-12-02 03:20:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1493 transitions. [2018-12-02 03:20:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 03:20:57,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 03:20:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1265 states and 1494 transitions. [2018-12-02 03:20:58,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1494 transitions. [2018-12-02 03:20:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:20:58,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 03:20:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1270 states and 1514 transitions. [2018-12-02 03:20:58,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1514 transitions. [2018-12-02 03:20:58,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 03:20:58,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 03:20:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:59,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1271 states and 1515 transitions. [2018-12-02 03:20:59,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1515 transitions. [2018-12-02 03:20:59,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 03:20:59,035 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 122 proven. 10 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-02 03:20:59,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:59,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1277 states and 1524 transitions. [2018-12-02 03:20:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1524 transitions. [2018-12-02 03:20:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 03:20:59,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 136 proven. 5 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-02 03:20:59,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:59,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1289 states and 1536 transitions. [2018-12-02 03:20:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1536 transitions. [2018-12-02 03:20:59,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 03:20:59,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:20:59,619 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 03:20:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:20:59,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1293 states and 1542 transitions. [2018-12-02 03:20:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1542 transitions. [2018-12-02 03:20:59,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 03:20:59,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:20:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:00,025 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 03:21:00,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1311 states and 1561 transitions. [2018-12-02 03:21:00,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1561 transitions. [2018-12-02 03:21:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 03:21:00,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 03:21:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:01,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1327 states and 1579 transitions. [2018-12-02 03:21:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1579 transitions. [2018-12-02 03:21:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 03:21:01,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 03:21:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1359 states and 1615 transitions. [2018-12-02 03:21:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1615 transitions. [2018-12-02 03:21:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 03:21:04,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 03:21:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1426 states and 1682 transitions. [2018-12-02 03:21:06,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1682 transitions. [2018-12-02 03:21:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 03:21:06,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 03:21:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:07,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1438 states and 1693 transitions. [2018-12-02 03:21:07,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1693 transitions. [2018-12-02 03:21:07,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 03:21:07,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 03:21:09,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1505 states and 1762 transitions. [2018-12-02 03:21:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1762 transitions. [2018-12-02 03:21:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 03:21:09,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 03:21:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1516 states and 1772 transitions. [2018-12-02 03:21:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1772 transitions. [2018-12-02 03:21:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-02 03:21:10,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:10,375 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:21:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1558 states and 1815 transitions. [2018-12-02 03:21:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1815 transitions. [2018-12-02 03:21:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 03:21:10,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:10,789 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 03:21:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1563 states and 1820 transitions. [2018-12-02 03:21:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 1820 transitions. [2018-12-02 03:21:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 03:21:10,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 03:21:13,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 1581 states and 1840 transitions. [2018-12-02 03:21:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1840 transitions. [2018-12-02 03:21:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 03:21:13,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-02 03:21:16,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:16,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1593 states and 1851 transitions. [2018-12-02 03:21:16,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1851 transitions. [2018-12-02 03:21:16,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-12-02 03:21:16,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 03:21:21,857 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-12-02 03:21:23,818 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 03:21:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1685 states and 1945 transitions. [2018-12-02 03:21:23,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 1945 transitions. [2018-12-02 03:21:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 03:21:23,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 03:21:28,005 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-02 03:21:29,122 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 03:21:31,536 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-02 03:21:33,556 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-02 03:21:34,591 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-02 03:21:35,275 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-02 03:21:36,342 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-02 03:21:36,992 WARN L180 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-02 03:21:38,065 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-02 03:21:39,485 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 03:21:40,604 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-02 03:21:41,640 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-02 03:21:42,300 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 03:21:43,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1776 states and 2039 transitions. [2018-12-02 03:21:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2039 transitions. [2018-12-02 03:21:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 03:21:43,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 03:21:45,707 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-02 03:21:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1803 states and 2064 transitions. [2018-12-02 03:21:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2064 transitions. [2018-12-02 03:21:46,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 03:21:46,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 03:21:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1804 states and 2065 transitions. [2018-12-02 03:21:46,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2065 transitions. [2018-12-02 03:21:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 03:21:46,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:46,719 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 03:21:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1883 states and 2158 transitions. [2018-12-02 03:21:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2158 transitions. [2018-12-02 03:21:49,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-02 03:21:49,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 03:21:50,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:50,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1884 states and 2159 transitions. [2018-12-02 03:21:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2159 transitions. [2018-12-02 03:21:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 03:21:50,120 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:50,217 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 177 proven. 10 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 03:21:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:50,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1901 states and 2176 transitions. [2018-12-02 03:21:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2176 transitions. [2018-12-02 03:21:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:21:50,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:21:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1928 states and 2207 transitions. [2018-12-02 03:21:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2207 transitions. [2018-12-02 03:21:50,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:21:50,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:50,829 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:21:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1947 states and 2231 transitions. [2018-12-02 03:21:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2231 transitions. [2018-12-02 03:21:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:21:51,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:21:52,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1960 states and 2244 transitions. [2018-12-02 03:21:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2244 transitions. [2018-12-02 03:21:52,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:21:52,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:21:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1964 states and 2249 transitions. [2018-12-02 03:21:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2249 transitions. [2018-12-02 03:21:53,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 03:21:53,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 173 proven. 5 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 03:21:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:21:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 1977 states and 2262 transitions. [2018-12-02 03:21:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2262 transitions. [2018-12-02 03:21:53,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-02 03:21:53,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:21:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:21:53,963 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:22:02,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:02,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 2105 states and 2397 transitions. [2018-12-02 03:22:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2397 transitions. [2018-12-02 03:22:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-02 03:22:02,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 146 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:22:05,671 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2018-12-02 03:22:06,958 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-02 03:22:09,994 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2018-12-02 03:22:11,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2141 states and 2433 transitions. [2018-12-02 03:22:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2433 transitions. [2018-12-02 03:22:11,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-02 03:22:11,902 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-02 03:22:12,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:12,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2142 states and 2433 transitions. [2018-12-02 03:22:12,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2433 transitions. [2018-12-02 03:22:12,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-02 03:22:12,170 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:12,227 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-02 03:22:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2143 states and 2433 transitions. [2018-12-02 03:22:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 2433 transitions. [2018-12-02 03:22:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-02 03:22:12,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-02 03:22:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2144 states and 2433 transitions. [2018-12-02 03:22:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2433 transitions. [2018-12-02 03:22:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-02 03:22:12,789 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-02 03:22:13,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 2145 states and 2433 transitions. [2018-12-02 03:22:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2433 transitions. [2018-12-02 03:22:13,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 03:22:13,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:13,114 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-02 03:22:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2146 states and 2434 transitions. [2018-12-02 03:22:13,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2434 transitions. [2018-12-02 03:22:13,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 03:22:13,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 250 proven. 28 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:22:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2166 states and 2460 transitions. [2018-12-02 03:22:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2460 transitions. [2018-12-02 03:22:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:16,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:23,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2245 states and 2546 transitions. [2018-12-02 03:22:23,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2546 transitions. [2018-12-02 03:22:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:23,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2262 states and 2563 transitions. [2018-12-02 03:22:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2563 transitions. [2018-12-02 03:22:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:24,364 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:26,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2280 states and 2587 transitions. [2018-12-02 03:22:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2587 transitions. [2018-12-02 03:22:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:26,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:26,132 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2330 states and 2639 transitions. [2018-12-02 03:22:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 2639 transitions. [2018-12-02 03:22:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:27,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:28,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2342 states and 2651 transitions. [2018-12-02 03:22:28,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2651 transitions. [2018-12-02 03:22:28,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:28,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:29,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2358 states and 2667 transitions. [2018-12-02 03:22:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2667 transitions. [2018-12-02 03:22:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:29,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2362 states and 2671 transitions. [2018-12-02 03:22:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2671 transitions. [2018-12-02 03:22:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:30,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:31,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:31,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2366 states and 2675 transitions. [2018-12-02 03:22:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2675 transitions. [2018-12-02 03:22:31,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:31,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2370 states and 2679 transitions. [2018-12-02 03:22:32,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2679 transitions. [2018-12-02 03:22:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:32,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:33,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2389 states and 2701 transitions. [2018-12-02 03:22:33,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2701 transitions. [2018-12-02 03:22:33,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:33,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-02 03:22:33,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:33,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2393 states and 2706 transitions. [2018-12-02 03:22:33,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2706 transitions. [2018-12-02 03:22:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 03:22:33,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:33,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-02 03:22:34,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:34,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 2420 states and 2734 transitions. [2018-12-02 03:22:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2734 transitions. [2018-12-02 03:22:34,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-12-02 03:22:34,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 264 proven. 42 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 03:22:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2427 states and 2741 transitions. [2018-12-02 03:22:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 2741 transitions. [2018-12-02 03:22:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 03:22:34,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:34,635 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-02 03:22:35,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:35,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2436 states and 2751 transitions. [2018-12-02 03:22:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2751 transitions. [2018-12-02 03:22:35,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-02 03:22:35,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-02 03:22:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:37,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2447 states and 2762 transitions. [2018-12-02 03:22:37,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 2762 transitions. [2018-12-02 03:22:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-02 03:22:37,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:37,204 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-02 03:22:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2451 states and 2766 transitions. [2018-12-02 03:22:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 2766 transitions. [2018-12-02 03:22:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-02 03:22:37,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 03:22:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 2534 states and 2859 transitions. [2018-12-02 03:22:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 2859 transitions. [2018-12-02 03:22:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-02 03:22:39,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 03:22:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2535 states and 2860 transitions. [2018-12-02 03:22:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 2860 transitions. [2018-12-02 03:22:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-02 03:22:40,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 366 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-02 03:22:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2539 states and 2865 transitions. [2018-12-02 03:22:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2865 transitions. [2018-12-02 03:22:40,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-02 03:22:40,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 366 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-02 03:22:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:40,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2540 states and 2865 transitions. [2018-12-02 03:22:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 2865 transitions. [2018-12-02 03:22:40,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 03:22:40,954 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 370 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-02 03:22:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2631 states and 2959 transitions. [2018-12-02 03:22:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2959 transitions. [2018-12-02 03:22:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 03:22:43,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 03:22:47,587 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 03:22:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2678 states and 3009 transitions. [2018-12-02 03:22:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 3009 transitions. [2018-12-02 03:22:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-12-02 03:22:48,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:48,860 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 03:22:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:22:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2709 states and 3039 transitions. [2018-12-02 03:22:49,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3039 transitions. [2018-12-02 03:22:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 03:22:49,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:22:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:22:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-02 03:22:54,100 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 03:22:55,967 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 03:22:57,403 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-02 03:23:01,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 2758 states and 3089 transitions. [2018-12-02 03:23:01,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3089 transitions. [2018-12-02 03:23:01,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 03:23:01,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-02 03:23:02,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:02,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 2775 states and 3105 transitions. [2018-12-02 03:23:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 3105 transitions. [2018-12-02 03:23:02,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-02 03:23:02,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:02,441 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-02 03:23:03,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:03,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 2835 states and 3163 transitions. [2018-12-02 03:23:03,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 3163 transitions. [2018-12-02 03:23:03,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-12-02 03:23:03,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 402 proven. 6 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2018-12-02 03:23:03,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:03,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3176 states to 2850 states and 3176 transitions. [2018-12-02 03:23:03,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2850 states and 3176 transitions. [2018-12-02 03:23:03,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2018-12-02 03:23:03,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 626 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-02 03:23:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 2854 states and 3181 transitions. [2018-12-02 03:23:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3181 transitions. [2018-12-02 03:23:04,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-02 03:23:04,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:05,003 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-02 03:23:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 2881 states and 3209 transitions. [2018-12-02 03:23:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3209 transitions. [2018-12-02 03:23:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-12-02 03:23:06,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:06,617 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-12-02 03:23:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2908 states and 3236 transitions. [2018-12-02 03:23:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3236 transitions. [2018-12-02 03:23:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 03:23:07,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:07,502 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 03:23:09,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 2966 states and 3295 transitions. [2018-12-02 03:23:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3295 transitions. [2018-12-02 03:23:09,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 03:23:09,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 03:23:11,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3042 states and 3376 transitions. [2018-12-02 03:23:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3376 transitions. [2018-12-02 03:23:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 03:23:11,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 03:23:12,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 3071 states and 3407 transitions. [2018-12-02 03:23:12,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3407 transitions. [2018-12-02 03:23:12,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2018-12-02 03:23:12,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:12,625 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 608 proven. 6 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-02 03:23:12,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:12,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3089 states and 3425 transitions. [2018-12-02 03:23:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 3425 transitions. [2018-12-02 03:23:12,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-02 03:23:12,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-02 03:23:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 3179 states and 3518 transitions. [2018-12-02 03:23:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3518 transitions. [2018-12-02 03:23:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2018-12-02 03:23:15,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 534 proven. 2 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-12-02 03:23:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3205 states and 3546 transitions. [2018-12-02 03:23:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 3546 transitions. [2018-12-02 03:23:17,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-02 03:23:17,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2018-12-02 03:23:17,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3206 states and 3546 transitions. [2018-12-02 03:23:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3206 states and 3546 transitions. [2018-12-02 03:23:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2018-12-02 03:23:17,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2018-12-02 03:23:18,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3207 states and 3546 transitions. [2018-12-02 03:23:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 3546 transitions. [2018-12-02 03:23:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-02 03:23:18,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 03:23:19,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 3231 states and 3571 transitions. [2018-12-02 03:23:19,961 INFO L276 IsEmpty]: Start isEmpty. Operand 3231 states and 3571 transitions. [2018-12-02 03:23:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-02 03:23:19,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:20,174 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 03:23:20,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 3247 states and 3587 transitions. [2018-12-02 03:23:20,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3587 transitions. [2018-12-02 03:23:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-02 03:23:20,869 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:21,094 INFO L134 CoverageAnalysis]: Checked inductivity of 914 backedges. 727 proven. 4 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 03:23:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 3252 states and 3591 transitions. [2018-12-02 03:23:21,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3591 transitions. [2018-12-02 03:23:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2018-12-02 03:23:21,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 622 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2018-12-02 03:23:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 3256 states and 3597 transitions. [2018-12-02 03:23:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 3597 transitions. [2018-12-02 03:23:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2018-12-02 03:23:23,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 03:23:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:23:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 150 proven. 602 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-12-02 03:23:28,322 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 03:23:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 03:23:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3330 states and 3680 transitions. [2018-12-02 03:23:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3330 states and 3680 transitions. [2018-12-02 03:23:35,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:23:35,146 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 140 iterations. [2018-12-02 03:23:35,153 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 03:23:35,361 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 03:23:35,505 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 17 [2018-12-02 03:23:35,780 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 03:23:36,049 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2018-12-02 03:23:36,298 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-02 03:23:36,453 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 17 [2018-12-02 03:23:36,737 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 03:23:36,903 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 03:23:37,464 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-02 03:23:37,581 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-12-02 03:23:37,684 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 17 [2018-12-02 03:23:37,908 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-12-02 03:23:38,070 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 03:23:38,175 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 17 [2018-12-02 03:23:38,596 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 47 [2018-12-02 03:23:38,787 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 17 [2018-12-02 03:23:39,036 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-12-02 03:23:39,158 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 17 [2018-12-02 03:23:39,269 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 17 [2018-12-02 03:23:39,456 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-02 03:23:39,765 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2018-12-02 03:23:40,122 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2018-12-02 03:23:40,336 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 17 [2018-12-02 03:23:40,574 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-02 03:23:40,697 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 17 [2018-12-02 03:23:41,062 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 17 [2018-12-02 03:23:41,506 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-02 03:23:41,637 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-02 03:23:41,862 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 17 [2018-12-02 03:23:42,228 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 17 [2018-12-02 03:23:42,368 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 17 [2018-12-02 03:23:42,744 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 17 [2018-12-02 03:23:42,872 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-02 03:23:42,991 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 17 [2018-12-02 03:23:43,283 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 43 [2018-12-02 03:23:43,493 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 03:23:43,495 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 03:23:43,499 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 03:23:43,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:23:43 ImpRootNode [2018-12-02 03:23:43,500 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 03:23:43,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:23:43,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:23:43,500 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:23:43,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:20:26" (3/4) ... [2018-12-02 03:23:43,503 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:23:43,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-02 03:23:43,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 03:23:43,514 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 03:23:43,514 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 03:23:43,572 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9d5fb8d4-6dba-4f80-9617-350a50b62e62/bin-2019/ukojak/witness.graphml [2018-12-02 03:23:43,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:23:43,573 INFO L168 Benchmark]: Toolchain (without parser) took 198399.83 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -395.2 MB). Peak memory consumption was 858.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:23:43,573 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-02 03:23:43,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-12-02 03:23:43,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.79 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:23:43,574 INFO L168 Benchmark]: Boogie Preprocessor took 28.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:23:43,574 INFO L168 Benchmark]: RCFGBuilder took 1013.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.7 MB in the end (delta: 225.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 11.5 GB. [2018-12-02 03:23:43,574 INFO L168 Benchmark]: CodeCheck took 196948.38 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 891.7 MB in the beginning and 1.4 GB in the end (delta: -481.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-02 03:23:43,574 INFO L168 Benchmark]: Witness Printer took 72.00 ms. Allocated memory is still 2.3 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:23:43,576 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, 227 locations, 1 error locations. SAFE Result, 188.5s OverallTime, 140 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1166237268 SDtfs, 622129184 SDslu, -804062112 SDs, 0 SdLazy, 1721277064 SolverSat, -1562022444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 629.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195376 GetRequests, 189555 SyntacticMatches, 4481 SemanticMatches, 1340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1422289 ImplicationChecksByTransitivity, 163.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 30022 NumberOfCodeBlocks, 30022 NumberOfCodeBlocksAsserted, 139 NumberOfCheckSat, 29883 ConstructedInterpolants, 0 QuantifiedInterpolants, 30806903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 139 InterpolantComputations, 75 PerfectInterpolantSequences, 34952/36388 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: 541]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || a25 == 1) || a19 == 1) || !(a28 == 10)) || !(a17 == 8) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a11 == 1) || a19 == 1) || a25 == 1) || !(a28 == 10)) || !(a17 == 8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 295.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.79 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1013.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 891.7 MB in the end (delta: 225.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 11.5 GB. * CodeCheck took 196948.38 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.1 GB). Free memory was 891.7 MB in the beginning and 1.4 GB in the end (delta: -481.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 72.00 ms. Allocated memory is still 2.3 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...