./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_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_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:22:38,542 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:22:38,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:22:38,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:22:38,551 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:22:38,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:22:38,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:22:38,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:22:38,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:22:38,555 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:22:38,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:22:38,556 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:22:38,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:22:38,557 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:22:38,558 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:22:38,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:22:38,559 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:22:38,560 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:22:38,562 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:22:38,563 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:22:38,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:22:38,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:22:38,566 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:22:38,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:22:38,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:22:38,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:22:38,567 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:22:38,568 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:22:38,568 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:22:38,569 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:22:38,569 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:22:38,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:22:38,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:22:38,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:22:38,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:22:38,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:22:38,571 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 01:22:38,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:22:38,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:22:38,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:22:38,581 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 01:22:38,582 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:22:38,582 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:22:38,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:22:38,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:22:38,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:22:38,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:22:38,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:22:38,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:22:38,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:22:38,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:22:38,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:22:38,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:22:38,584 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:22:38,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:22:38,584 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 01:22:38,584 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 01:22:38,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:22:38,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:22:38,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 01:22:38,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:22:38,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:22:38,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:22:38,585 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 01:22:38,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:22:38,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:22:38,586 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_78d72217-0ca6-4258-8f89-ab510947254e/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-12-09 01:22:38,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:22:38,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:22:38,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:22:38,613 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:22:38,613 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:22:38,613 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-09 01:22:38,646 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/data/07a50e96f/364325b1f59b46a1b9dd39f0ee63a433/FLAG3ce47e8b5 [2018-12-09 01:22:39,066 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:22:39,067 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-09 01:22:39,074 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/data/07a50e96f/364325b1f59b46a1b9dd39f0ee63a433/FLAG3ce47e8b5 [2018-12-09 01:22:39,082 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/data/07a50e96f/364325b1f59b46a1b9dd39f0ee63a433 [2018-12-09 01:22:39,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:22:39,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:22:39,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:22:39,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:22:39,088 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:22:39,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f79c046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39, skipping insertion in model container [2018-12-09 01:22:39,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:22:39,116 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:22:39,283 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:22:39,286 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:22:39,392 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:22:39,403 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:22:39,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39 WrapperNode [2018-12-09 01:22:39,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:22:39,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:22:39,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:22:39,404 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:22:39,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,456 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:22:39,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:22:39,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:22:39,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:22:39,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... [2018-12-09 01:22:39,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:22:39,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:22:39,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:22:39,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:22:39,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:22:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/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 [2018-12-09 01:22:39,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:22:39,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:22:40,578 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:22:40,578 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 01:22:40,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:22:40 BoogieIcfgContainer [2018-12-09 01:22:40,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:22:40,579 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 01:22:40,579 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 01:22:40,588 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 01:22:40,589 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:22:40" (1/1) ... [2018-12-09 01:22:40,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:22:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:40,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-09 01:22:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-09 01:22:40,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 01:22:40,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:40,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:41,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:41,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-09 01:22:41,141 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-09 01:22:41,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 01:22:41,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 01:22:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2018-12-09 01:22:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2018-12-09 01:22:41,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 01:22:41,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-09 01:22:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-09 01:22:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 01:22:41,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:41,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-09 01:22:41,808 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-09 01:22:41,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 01:22:41,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:42,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-12-09 01:22:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-12-09 01:22:42,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 01:22:42,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2018-12-09 01:22:42,226 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2018-12-09 01:22:42,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 01:22:42,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 01:22:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:42,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 228 states and 331 transitions. [2018-12-09 01:22:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 331 transitions. [2018-12-09 01:22:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 01:22:42,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 01:22:42,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2018-12-09 01:22:42,589 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2018-12-09 01:22:42,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 01:22:42,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:42,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:42,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-12-09 01:22:42,634 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-12-09 01:22:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 01:22:42,634 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 01:22:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2018-12-09 01:22:42,751 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2018-12-09 01:22:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 01:22:42,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 01:22:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:42,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-12-09 01:22:42,848 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-12-09 01:22:42,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 01:22:42,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 01:22:43,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:43,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 329 states and 437 transitions. [2018-12-09 01:22:43,238 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 437 transitions. [2018-12-09 01:22:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 01:22:43,238 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 01:22:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 345 states and 457 transitions. [2018-12-09 01:22:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 457 transitions. [2018-12-09 01:22:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 01:22:43,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:43,418 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 01:22:43,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:43,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 347 states and 458 transitions. [2018-12-09 01:22:43,495 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 458 transitions. [2018-12-09 01:22:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 01:22:43,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 377 states and 496 transitions. [2018-12-09 01:22:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 496 transitions. [2018-12-09 01:22:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 01:22:43,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:44,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 407 states and 531 transitions. [2018-12-09 01:22:44,698 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 531 transitions. [2018-12-09 01:22:44,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 01:22:44,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:44,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 410 states and 534 transitions. [2018-12-09 01:22:44,834 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 534 transitions. [2018-12-09 01:22:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 01:22:44,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 423 states and 548 transitions. [2018-12-09 01:22:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2018-12-09 01:22:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 01:22:44,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 442 states and 570 transitions. [2018-12-09 01:22:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 570 transitions. [2018-12-09 01:22:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 01:22:45,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:45,162 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 01:22:45,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 446 states and 573 transitions. [2018-12-09 01:22:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 573 transitions. [2018-12-09 01:22:45,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 01:22:45,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 01:22:45,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 451 states and 577 transitions. [2018-12-09 01:22:45,265 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 577 transitions. [2018-12-09 01:22:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 01:22:45,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:45,387 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:22:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:45,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 453 states and 580 transitions. [2018-12-09 01:22:45,600 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 580 transitions. [2018-12-09 01:22:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 01:22:45,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:22:46,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 467 states and 595 transitions. [2018-12-09 01:22:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 595 transitions. [2018-12-09 01:22:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-09 01:22:46,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:46,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:46,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 471 states and 600 transitions. [2018-12-09 01:22:46,192 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 600 transitions. [2018-12-09 01:22:46,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 01:22:46,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:46,462 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:22:47,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:47,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 511 states and 651 transitions. [2018-12-09 01:22:47,459 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 651 transitions. [2018-12-09 01:22:47,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 01:22:47,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:47,483 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 01:22:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:47,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 516 states and 656 transitions. [2018-12-09 01:22:47,620 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 656 transitions. [2018-12-09 01:22:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 01:22:47,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:47,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 537 states and 677 transitions. [2018-12-09 01:22:47,711 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 677 transitions. [2018-12-09 01:22:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 01:22:47,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 01:22:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:47,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 538 states and 678 transitions. [2018-12-09 01:22:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 678 transitions. [2018-12-09 01:22:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 01:22:47,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 597 states and 743 transitions. [2018-12-09 01:22:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 743 transitions. [2018-12-09 01:22:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 01:22:49,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 01:22:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 616 states and 765 transitions. [2018-12-09 01:22:50,033 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 765 transitions. [2018-12-09 01:22:50,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 01:22:50,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 01:22:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 617 states and 767 transitions. [2018-12-09 01:22:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 767 transitions. [2018-12-09 01:22:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 01:22:50,095 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:53,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 685 states and 849 transitions. [2018-12-09 01:22:53,146 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 849 transitions. [2018-12-09 01:22:53,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 01:22:53,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:53,192 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 688 states and 852 transitions. [2018-12-09 01:22:53,383 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 852 transitions. [2018-12-09 01:22:53,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 01:22:53,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 01:22:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 705 states and 869 transitions. [2018-12-09 01:22:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 869 transitions. [2018-12-09 01:22:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-09 01:22:53,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:53,494 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 01:22:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 707 states and 870 transitions. [2018-12-09 01:22:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 870 transitions. [2018-12-09 01:22:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 01:22:53,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 744 states and 911 transitions. [2018-12-09 01:22:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 911 transitions. [2018-12-09 01:22:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 01:22:56,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 762 states and 929 transitions. [2018-12-09 01:22:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 929 transitions. [2018-12-09 01:22:57,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 01:22:57,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:57,345 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 775 states and 942 transitions. [2018-12-09 01:22:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 942 transitions. [2018-12-09 01:22:57,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 01:22:57,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 789 states and 956 transitions. [2018-12-09 01:22:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 956 transitions. [2018-12-09 01:22:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 01:22:58,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:22:58,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 804 states and 971 transitions. [2018-12-09 01:22:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 971 transitions. [2018-12-09 01:22:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 01:22:58,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:58,706 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 01:22:58,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 806 states and 972 transitions. [2018-12-09 01:22:58,787 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 972 transitions. [2018-12-09 01:22:58,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 01:22:58,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:22:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 808 states and 974 transitions. [2018-12-09 01:22:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 974 transitions. [2018-12-09 01:22:59,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 01:22:59,045 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:22:59,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:59,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 812 states and 981 transitions. [2018-12-09 01:22:59,262 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 981 transitions. [2018-12-09 01:22:59,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 01:22:59,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:59,315 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 01:22:59,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:22:59,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 814 states and 983 transitions. [2018-12-09 01:22:59,420 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 983 transitions. [2018-12-09 01:22:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 01:22:59,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:22:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:22:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 01:23:00,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:00,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 841 states and 1012 transitions. [2018-12-09 01:23:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1012 transitions. [2018-12-09 01:23:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 01:23:00,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:23:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 853 states and 1029 transitions. [2018-12-09 01:23:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1029 transitions. [2018-12-09 01:23:01,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 01:23:01,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:23:01,907 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 01:23:02,183 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-12-09 01:23:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 872 states and 1053 transitions. [2018-12-09 01:23:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1053 transitions. [2018-12-09 01:23:03,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 01:23:03,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 01:23:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 876 states and 1058 transitions. [2018-12-09 01:23:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1058 transitions. [2018-12-09 01:23:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 01:23:03,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 01:23:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 878 states and 1059 transitions. [2018-12-09 01:23:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1059 transitions. [2018-12-09 01:23:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 01:23:03,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 01:23:04,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:04,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 890 states and 1070 transitions. [2018-12-09 01:23:04,168 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1070 transitions. [2018-12-09 01:23:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 01:23:04,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 01:23:04,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:04,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 969 states and 1162 transitions. [2018-12-09 01:23:04,634 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1162 transitions. [2018-12-09 01:23:04,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 01:23:04,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:04,688 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 01:23:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 979 states and 1173 transitions. [2018-12-09 01:23:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1173 transitions. [2018-12-09 01:23:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 01:23:04,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:05,034 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 01:23:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:05,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 980 states and 1173 transitions. [2018-12-09 01:23:05,183 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1173 transitions. [2018-12-09 01:23:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-09 01:23:05,184 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:05,309 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 01:23:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1032 states and 1229 transitions. [2018-12-09 01:23:05,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1229 transitions. [2018-12-09 01:23:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 01:23:05,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 01:23:06,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1062 states and 1260 transitions. [2018-12-09 01:23:06,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1260 transitions. [2018-12-09 01:23:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 01:23:06,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 01:23:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1087 states and 1285 transitions. [2018-12-09 01:23:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1285 transitions. [2018-12-09 01:23:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 01:23:07,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 01:23:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:07,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1112 states and 1309 transitions. [2018-12-09 01:23:07,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1309 transitions. [2018-12-09 01:23:07,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 01:23:07,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 01:23:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:09,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1144 states and 1341 transitions. [2018-12-09 01:23:09,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1341 transitions. [2018-12-09 01:23:09,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 01:23:09,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 01:23:09,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1146 states and 1342 transitions. [2018-12-09 01:23:09,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1342 transitions. [2018-12-09 01:23:09,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-09 01:23:09,401 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:09,437 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 01:23:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:09,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1152 states and 1347 transitions. [2018-12-09 01:23:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1347 transitions. [2018-12-09 01:23:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-09 01:23:09,483 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:09,513 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 01:23:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1157 states and 1352 transitions. [2018-12-09 01:23:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1352 transitions. [2018-12-09 01:23:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-09 01:23:09,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 01:23:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:10,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1182 states and 1377 transitions. [2018-12-09 01:23:10,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1377 transitions. [2018-12-09 01:23:10,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 01:23:10,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 01:23:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1216 states and 1415 transitions. [2018-12-09 01:23:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1415 transitions. [2018-12-09 01:23:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-09 01:23:11,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 01:23:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:11,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1218 states and 1416 transitions. [2018-12-09 01:23:11,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1416 transitions. [2018-12-09 01:23:11,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 01:23:11,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:11,559 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 01:23:11,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1222 states and 1422 transitions. [2018-12-09 01:23:11,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1422 transitions. [2018-12-09 01:23:11,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 01:23:11,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:11,707 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 191 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 01:23:12,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1245 states and 1449 transitions. [2018-12-09 01:23:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1449 transitions. [2018-12-09 01:23:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 01:23:12,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:12,464 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 01:23:13,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:13,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1278 states and 1488 transitions. [2018-12-09 01:23:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1488 transitions. [2018-12-09 01:23:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-09 01:23:13,312 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 01:23:14,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:14,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1288 states and 1497 transitions. [2018-12-09 01:23:14,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1497 transitions. [2018-12-09 01:23:14,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 01:23:14,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:14,509 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 01:23:14,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1300 states and 1509 transitions. [2018-12-09 01:23:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1509 transitions. [2018-12-09 01:23:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-09 01:23:14,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 01:23:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1307 states and 1515 transitions. [2018-12-09 01:23:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1515 transitions. [2018-12-09 01:23:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 01:23:14,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 01:23:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1313 states and 1526 transitions. [2018-12-09 01:23:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1526 transitions. [2018-12-09 01:23:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 01:23:15,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:15,053 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 01:23:16,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:16,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1345 states and 1560 transitions. [2018-12-09 01:23:16,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1560 transitions. [2018-12-09 01:23:16,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 01:23:16,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:16,201 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 01:23:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1377 states and 1591 transitions. [2018-12-09 01:23:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1591 transitions. [2018-12-09 01:23:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 01:23:16,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 01:23:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1379 states and 1594 transitions. [2018-12-09 01:23:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1594 transitions. [2018-12-09 01:23:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 01:23:16,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:16,797 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 01:23:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1382 states and 1596 transitions. [2018-12-09 01:23:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1596 transitions. [2018-12-09 01:23:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 01:23:16,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 01:23:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1549 states and 1775 transitions. [2018-12-09 01:23:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1775 transitions. [2018-12-09 01:23:19,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 01:23:19,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 01:23:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:19,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1551 states and 1776 transitions. [2018-12-09 01:23:19,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1776 transitions. [2018-12-09 01:23:19,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-09 01:23:19,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:19,640 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 01:23:19,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:19,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1553 states and 1777 transitions. [2018-12-09 01:23:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1777 transitions. [2018-12-09 01:23:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-09 01:23:19,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 01:23:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1630 states and 1870 transitions. [2018-12-09 01:23:24,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1870 transitions. [2018-12-09 01:23:24,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-09 01:23:24,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 01:23:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1634 states and 1874 transitions. [2018-12-09 01:23:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1874 transitions. [2018-12-09 01:23:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-09 01:23:24,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:24,929 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 01:23:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1639 states and 1878 transitions. [2018-12-09 01:23:25,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1878 transitions. [2018-12-09 01:23:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-09 01:23:25,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:25,424 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-09 01:23:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1691 states and 1934 transitions. [2018-12-09 01:23:28,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 1934 transitions. [2018-12-09 01:23:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 01:23:28,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:28,537 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 01:23:32,548 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 01:23:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:33,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1833 states and 2099 transitions. [2018-12-09 01:23:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2099 transitions. [2018-12-09 01:23:33,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-09 01:23:33,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-09 01:23:35,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 1887 states and 2152 transitions. [2018-12-09 01:23:35,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2152 transitions. [2018-12-09 01:23:35,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-09 01:23:35,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 01:23:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1913 states and 2188 transitions. [2018-12-09 01:23:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2188 transitions. [2018-12-09 01:23:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 01:23:37,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 01:23:37,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:37,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1918 states and 2191 transitions. [2018-12-09 01:23:37,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2191 transitions. [2018-12-09 01:23:37,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-09 01:23:37,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-09 01:23:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1921 states and 2193 transitions. [2018-12-09 01:23:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2193 transitions. [2018-12-09 01:23:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 01:23:37,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:37,695 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 01:23:38,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:38,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1942 states and 2217 transitions. [2018-12-09 01:23:38,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2217 transitions. [2018-12-09 01:23:38,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 01:23:38,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:38,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-09 01:23:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1946 states and 2220 transitions. [2018-12-09 01:23:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2220 transitions. [2018-12-09 01:23:39,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-09 01:23:39,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 383 proven. 68 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-09 01:23:42,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 1992 states and 2276 transitions. [2018-12-09 01:23:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2276 transitions. [2018-12-09 01:23:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-09 01:23:42,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:42,704 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 383 proven. 68 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-09 01:23:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:43,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 1997 states and 2282 transitions. [2018-12-09 01:23:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2282 transitions. [2018-12-09 01:23:43,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-09 01:23:43,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 383 proven. 68 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-09 01:23:44,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:44,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2001 states and 2286 transitions. [2018-12-09 01:23:44,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2286 transitions. [2018-12-09 01:23:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-09 01:23:44,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:23:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:23:44,555 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 01:23:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:23:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1763 states and 2014 transitions. [2018-12-09 01:23:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2014 transitions. [2018-12-09 01:23:48,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:23:48,237 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 94 iterations. [2018-12-09 01:23:48,243 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 01:23:52,659 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 01:23:52,661 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 01:23:52,666 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 01:23:52,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:23:52 ImpRootNode [2018-12-09 01:23:52,666 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 01:23:52,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:23:52,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:23:52,667 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:23:52,667 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:22:40" (3/4) ... [2018-12-09 01:23:52,669 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:23:52,679 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-09 01:23:52,679 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 01:23:52,680 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 01:23:52,680 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:23:52,745 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_78d72217-0ca6-4258-8f89-ab510947254e/bin-2019/ukojak/witness.graphml [2018-12-09 01:23:52,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:23:52,746 INFO L168 Benchmark]: Toolchain (without parser) took 73661.54 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 945.2 MB in the beginning and 919.5 MB in the end (delta: 25.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-09 01:23:52,746 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:23:52,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:52,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:52,747 INFO L168 Benchmark]: Boogie Preprocessor took 41.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:52,747 INFO L168 Benchmark]: RCFGBuilder took 1080.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 858.2 MB in the end (delta: 220.5 MB). Peak memory consumption was 220.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:52,747 INFO L168 Benchmark]: CodeCheck took 72087.32 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 858.2 MB in the beginning and 946.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 01:23:52,747 INFO L168 Benchmark]: Witness Printer took 78.92 ms. Allocated memory is still 2.2 GB. Free memory was 946.1 MB in the beginning and 919.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:23:52,748 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, 67.6s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 940729352 SDtfs, 423181072 SDslu, -2006024648 SDs, 0 SdLazy, 1564344448 SolverSat, -2043411784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 214.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117417 GetRequests, 114905 SyntacticMatches, 1704 SemanticMatches, 808 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480879 ImplicationChecksByTransitivity, 55.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 18021 NumberOfCodeBlocks, 18021 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 17928 ConstructedInterpolants, 0 QuantifiedInterpolants, 11346946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 78 PerfectInterpolantSequences, 18798/19257 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: 523]: 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: ((a17 == 8 || (((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || a28 == 10) || (((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a25 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a17 == 8 || (((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || a28 == 10) || (((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a25 == 1) && a11 == 1) * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -144.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1080.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 858.2 MB in the end (delta: 220.5 MB). Peak memory consumption was 220.5 MB. Max. memory is 11.5 GB. * CodeCheck took 72087.32 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 858.2 MB in the beginning and 946.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 78.92 ms. Allocated memory is still 2.2 GB. Free memory was 946.1 MB in the beginning and 919.5 MB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...