./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/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_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/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 0.1.23-1dbac8b [2018-10-26 19:50:34,000 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:50:34,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:50:34,011 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:50:34,011 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:50:34,012 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:50:34,013 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:50:34,014 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:50:34,016 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:50:34,017 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:50:34,018 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:50:34,018 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:50:34,019 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:50:34,019 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:50:34,020 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:50:34,024 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:50:34,024 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:50:34,026 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:50:34,027 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:50:34,028 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:50:34,030 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:50:34,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:50:34,033 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:50:34,033 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:50:34,033 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:50:34,034 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:50:34,035 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:50:34,035 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:50:34,036 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:50:34,038 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:50:34,038 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:50:34,038 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:50:34,039 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:50:34,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:50:34,040 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:50:34,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:50:34,040 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:50:34,052 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:50:34,053 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:50:34,053 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:50:34,054 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:50:34,054 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:50:34,054 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:50:34,055 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:50:34,055 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:50:34,055 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:50:34,055 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:50:34,055 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:50:34,055 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:50:34,056 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:50:34,056 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:50:34,056 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:50:34,056 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:50:34,056 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:50:34,056 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:50:34,057 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:50:34,058 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:50:34,059 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:50:34,059 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:50:34,059 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:50:34,059 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:50:34,059 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:50:34,059 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:50:34,060 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:50:34,060 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:50:34,060 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_24b15dcd-5821-498b-bf0a-7296492c6a35/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 [2018-10-26 19:50:34,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:50:34,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:50:34,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:50:34,109 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:50:34,109 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:50:34,110 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-10-26 19:50:34,157 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/data/ff4657178/1d32cee0b8cb4806adc9a2e46f67ed18/FLAG76f3c9692 [2018-10-26 19:50:34,612 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:50:34,613 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-10-26 19:50:34,626 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/data/ff4657178/1d32cee0b8cb4806adc9a2e46f67ed18/FLAG76f3c9692 [2018-10-26 19:50:34,642 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/data/ff4657178/1d32cee0b8cb4806adc9a2e46f67ed18 [2018-10-26 19:50:34,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:50:34,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:50:34,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:50:34,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:50:34,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:50:34,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:50:34" (1/1) ... [2018-10-26 19:50:34,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec493c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:34, skipping insertion in model container [2018-10-26 19:50:34,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:50:34" (1/1) ... [2018-10-26 19:50:34,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:50:34,712 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:50:35,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:50:35,060 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:50:35,162 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:50:35,179 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:50:35,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35 WrapperNode [2018-10-26 19:50:35,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:50:35,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:50:35,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:50:35,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:50:35,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:50:35,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:50:35,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:50:35,240 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:50:35,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... [2018-10-26 19:50:35,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:50:35,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:50:35,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:50:35,394 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:50:35,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:50:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:50:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 19:50:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:50:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:50:39,231 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:50:39,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:39 BoogieIcfgContainer [2018-10-26 19:50:39,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:50:39,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:50:39,233 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:50:39,243 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:50:39,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:39" (1/1) ... [2018-10-26 19:50:39,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:50:39,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 19:50:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 19:50:39,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 19:50:39,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:40,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-10-26 19:50:40,311 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-10-26 19:50:40,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 19:50:40,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:40,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:50:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-10-26 19:50:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-10-26 19:50:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 19:50:40,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-10-26 19:50:40,872 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-10-26 19:50:40,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 19:50:40,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-10-26 19:50:41,511 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-10-26 19:50:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 19:50:41,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-10-26 19:50:42,511 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-10-26 19:50:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 19:50:42,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:42,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:42,567 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-10-26 19:50:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-10-26 19:50:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 19:50:43,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:43,443 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:43,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-10-26 19:50:43,496 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-10-26 19:50:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 19:50:43,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:43,548 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:50:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-10-26 19:50:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-10-26 19:50:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 19:50:43,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:43,732 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 19:50:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-10-26 19:50:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-10-26 19:50:44,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:50:44,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:44,377 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 19:50:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:44,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-10-26 19:50:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-10-26 19:50:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 19:50:44,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:45,290 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:50:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:45,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 338 states and 446 transitions. [2018-10-26 19:50:45,859 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 446 transitions. [2018-10-26 19:50:45,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 19:50:45,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:46,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 369 states and 485 transitions. [2018-10-26 19:50:46,975 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 485 transitions. [2018-10-26 19:50:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 19:50:46,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:50:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 386 states and 506 transitions. [2018-10-26 19:50:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 506 transitions. [2018-10-26 19:50:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 19:50:47,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:50:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 388 states and 507 transitions. [2018-10-26 19:50:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 507 transitions. [2018-10-26 19:50:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 19:50:47,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:47,898 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-10-26 19:50:48,229 WARN L179 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 19:50:48,805 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 19:50:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 419 states and 543 transitions. [2018-10-26 19:50:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 543 transitions. [2018-10-26 19:50:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 19:50:49,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:49,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 423 states and 547 transitions. [2018-10-26 19:50:49,786 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 547 transitions. [2018-10-26 19:50:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 19:50:49,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:49,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:49,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:49,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 436 states and 561 transitions. [2018-10-26 19:50:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 561 transitions. [2018-10-26 19:50:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 19:50:49,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:49,943 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:50,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 455 states and 583 transitions. [2018-10-26 19:50:50,214 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 583 transitions. [2018-10-26 19:50:50,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 19:50:50,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:50,249 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 19:50:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 459 states and 586 transitions. [2018-10-26 19:50:50,564 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 586 transitions. [2018-10-26 19:50:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 19:50:50,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 19:50:50,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 464 states and 590 transitions. [2018-10-26 19:50:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 590 transitions. [2018-10-26 19:50:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 19:50:50,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:50:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 466 states and 593 transitions. [2018-10-26 19:50:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 593 transitions. [2018-10-26 19:50:51,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 19:50:51,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:50:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 480 states and 608 transitions. [2018-10-26 19:50:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 608 transitions. [2018-10-26 19:50:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 19:50:52,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:52,343 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:52,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 485 states and 614 transitions. [2018-10-26 19:50:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 614 transitions. [2018-10-26 19:50:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 19:50:52,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:50:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 527 states and 667 transitions. [2018-10-26 19:50:54,039 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 667 transitions. [2018-10-26 19:50:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 19:50:54,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 548 states and 688 transitions. [2018-10-26 19:50:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 688 transitions. [2018-10-26 19:50:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 19:50:54,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:54,279 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 19:50:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:54,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 553 states and 693 transitions. [2018-10-26 19:50:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 693 transitions. [2018-10-26 19:50:54,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:50:54,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:54,727 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 19:50:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 554 states and 694 transitions. [2018-10-26 19:50:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 694 transitions. [2018-10-26 19:50:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 19:50:54,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:50:58,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:58,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 613 states and 759 transitions. [2018-10-26 19:50:58,050 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 759 transitions. [2018-10-26 19:50:58,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 19:50:58,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 19:50:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 632 states and 781 transitions. [2018-10-26 19:50:58,843 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 781 transitions. [2018-10-26 19:50:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 19:50:58,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:50:59,345 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 19:50:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:50:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 633 states and 783 transitions. [2018-10-26 19:50:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 783 transitions. [2018-10-26 19:50:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 19:50:59,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:50:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:02,070 WARN L179 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 19:51:03,905 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 19:51:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:07,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:07,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 702 states and 866 transitions. [2018-10-26 19:51:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 866 transitions. [2018-10-26 19:51:07,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 19:51:07,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:07,744 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:08,597 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 19:51:08,915 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 20 [2018-10-26 19:51:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 706 states and 870 transitions. [2018-10-26 19:51:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 870 transitions. [2018-10-26 19:51:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 19:51:09,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:09,201 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 19:51:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 723 states and 887 transitions. [2018-10-26 19:51:09,461 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 887 transitions. [2018-10-26 19:51:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 19:51:09,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:09,771 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 770 states and 936 transitions. [2018-10-26 19:51:12,080 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 936 transitions. [2018-10-26 19:51:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 19:51:12,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:12,398 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:12,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 782 states and 948 transitions. [2018-10-26 19:51:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 948 transitions. [2018-10-26 19:51:12,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 19:51:12,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:51:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 786 states and 952 transitions. [2018-10-26 19:51:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 952 transitions. [2018-10-26 19:51:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 19:51:13,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 19:51:13,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:13,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 788 states and 953 transitions. [2018-10-26 19:51:13,452 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 953 transitions. [2018-10-26 19:51:13,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 19:51:13,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:51:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 790 states and 955 transitions. [2018-10-26 19:51:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 955 transitions. [2018-10-26 19:51:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-26 19:51:13,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:51:14,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 794 states and 962 transitions. [2018-10-26 19:51:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 962 transitions. [2018-10-26 19:51:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 19:51:14,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 19:51:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 821 states and 991 transitions. [2018-10-26 19:51:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 991 transitions. [2018-10-26 19:51:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 19:51:15,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:15,370 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 19:51:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 823 states and 993 transitions. [2018-10-26 19:51:15,732 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 993 transitions. [2018-10-26 19:51:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 19:51:15,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:51:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 835 states and 1010 transitions. [2018-10-26 19:51:16,403 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1010 transitions. [2018-10-26 19:51:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 19:51:16,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:51:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 839 states and 1015 transitions. [2018-10-26 19:51:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1015 transitions. [2018-10-26 19:51:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 19:51:16,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 19:51:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 859 states and 1040 transitions. [2018-10-26 19:51:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1040 transitions. [2018-10-26 19:51:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 19:51:19,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 19:51:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:19,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 861 states and 1041 transitions. [2018-10-26 19:51:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1041 transitions. [2018-10-26 19:51:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 19:51:19,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:19,427 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 19:51:19,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:19,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 941 states and 1134 transitions. [2018-10-26 19:51:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1134 transitions. [2018-10-26 19:51:19,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 19:51:19,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:51:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 951 states and 1145 transitions. [2018-10-26 19:51:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1145 transitions. [2018-10-26 19:51:20,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 19:51:20,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:51:21,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:21,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 952 states and 1145 transitions. [2018-10-26 19:51:21,073 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1145 transitions. [2018-10-26 19:51:21,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-10-26 19:51:21,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:21,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 19:51:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:21,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1005 states and 1202 transitions. [2018-10-26 19:51:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1202 transitions. [2018-10-26 19:51:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:51:21,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:51:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:22,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1035 states and 1233 transitions. [2018-10-26 19:51:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1233 transitions. [2018-10-26 19:51:22,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-10-26 19:51:22,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:51:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1060 states and 1258 transitions. [2018-10-26 19:51:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1258 transitions. [2018-10-26 19:51:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:51:23,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:24,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:24,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1085 states and 1282 transitions. [2018-10-26 19:51:24,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1282 transitions. [2018-10-26 19:51:24,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 19:51:24,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:24,342 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:24,665 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-10-26 19:51:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:25,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1117 states and 1314 transitions. [2018-10-26 19:51:25,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1314 transitions. [2018-10-26 19:51:25,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 19:51:25,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-10-26 19:51:26,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:26,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1119 states and 1315 transitions. [2018-10-26 19:51:26,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1315 transitions. [2018-10-26 19:51:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 19:51:26,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-26 19:51:26,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1125 states and 1320 transitions. [2018-10-26 19:51:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1320 transitions. [2018-10-26 19:51:26,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-26 19:51:26,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:26,360 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:51:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1130 states and 1325 transitions. [2018-10-26 19:51:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1325 transitions. [2018-10-26 19:51:27,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-26 19:51:27,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:51:27,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1155 states and 1350 transitions. [2018-10-26 19:51:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1350 transitions. [2018-10-26 19:51:27,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:51:27,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:27,954 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:51:28,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:28,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1190 states and 1389 transitions. [2018-10-26 19:51:28,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1389 transitions. [2018-10-26 19:51:28,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-10-26 19:51:28,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:28,894 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:51:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1192 states and 1390 transitions. [2018-10-26 19:51:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1390 transitions. [2018-10-26 19:51:29,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-10-26 19:51:29,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:29,178 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 19:51:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:30,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1216 states and 1418 transitions. [2018-10-26 19:51:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1418 transitions. [2018-10-26 19:51:30,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-26 19:51:30,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-26 19:51:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1220 states and 1424 transitions. [2018-10-26 19:51:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1424 transitions. [2018-10-26 19:51:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 19:51:30,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:30,465 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 19:51:31,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:31,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1254 states and 1464 transitions. [2018-10-26 19:51:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1464 transitions. [2018-10-26 19:51:31,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-10-26 19:51:31,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 19:51:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1265 states and 1474 transitions. [2018-10-26 19:51:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1474 transitions. [2018-10-26 19:51:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-26 19:51:32,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:32,118 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:51:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1277 states and 1486 transitions. [2018-10-26 19:51:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1486 transitions. [2018-10-26 19:51:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-10-26 19:51:32,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 19:51:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1284 states and 1492 transitions. [2018-10-26 19:51:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1492 transitions. [2018-10-26 19:51:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-10-26 19:51:32,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-10-26 19:51:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1289 states and 1497 transitions. [2018-10-26 19:51:33,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1497 transitions. [2018-10-26 19:51:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:33,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:51:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1290 states and 1499 transitions. [2018-10-26 19:51:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1499 transitions. [2018-10-26 19:51:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:33,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:33,511 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:51:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1291 states and 1499 transitions. [2018-10-26 19:51:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1499 transitions. [2018-10-26 19:51:33,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:33,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 19:51:34,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1292 states and 1499 transitions. [2018-10-26 19:51:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1499 transitions. [2018-10-26 19:51:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:34,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:34,139 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1347 states and 1565 transitions. [2018-10-26 19:51:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1565 transitions. [2018-10-26 19:51:36,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:36,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1349 states and 1567 transitions. [2018-10-26 19:51:36,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1567 transitions. [2018-10-26 19:51:36,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:36,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:36,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1350 states and 1568 transitions. [2018-10-26 19:51:36,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1568 transitions. [2018-10-26 19:51:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:36,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:37,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1382 states and 1599 transitions. [2018-10-26 19:51:37,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1599 transitions. [2018-10-26 19:51:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:37,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:37,417 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 1396 states and 1613 transitions. [2018-10-26 19:51:38,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1613 transitions. [2018-10-26 19:51:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-26 19:51:38,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-10-26 19:51:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1414 states and 1631 transitions. [2018-10-26 19:51:38,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1631 transitions. [2018-10-26 19:51:38,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 19:51:38,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-10-26 19:51:38,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:38,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1416 states and 1632 transitions. [2018-10-26 19:51:38,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1632 transitions. [2018-10-26 19:51:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-10-26 19:51:38,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:38,788 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-10-26 19:51:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1419 states and 1634 transitions. [2018-10-26 19:51:38,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1634 transitions. [2018-10-26 19:51:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:51:38,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:51:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1498 states and 1729 transitions. [2018-10-26 19:51:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1729 transitions. [2018-10-26 19:51:43,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:51:43,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:51:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:43,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1502 states and 1733 transitions. [2018-10-26 19:51:43,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1733 transitions. [2018-10-26 19:51:43,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-26 19:51:43,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 19:51:44,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:44,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1507 states and 1737 transitions. [2018-10-26 19:51:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1737 transitions. [2018-10-26 19:51:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 19:51:44,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 19:51:45,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1560 states and 1794 transitions. [2018-10-26 19:51:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1794 transitions. [2018-10-26 19:51:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-26 19:51:45,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 19:51:46,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1593 states and 1832 transitions. [2018-10-26 19:51:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1832 transitions. [2018-10-26 19:51:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-26 19:51:46,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 19:51:46,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:46,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1594 states and 1832 transitions. [2018-10-26 19:51:46,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1832 transitions. [2018-10-26 19:51:46,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-26 19:51:46,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:46,833 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 19:51:47,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1595 states and 1832 transitions. [2018-10-26 19:51:47,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1832 transitions. [2018-10-26 19:51:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 19:51:47,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-10-26 19:51:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:48,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1636 states and 1878 transitions. [2018-10-26 19:51:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1878 transitions. [2018-10-26 19:51:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-26 19:51:48,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:51:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:51:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-10-26 19:51:48,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:51:48,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1463 states and 1674 transitions. [2018-10-26 19:51:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1674 transitions. [2018-10-26 19:51:48,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:51:48,626 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 87 iterations. [2018-10-26 19:51:48,633 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 19:51:49,635 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2018-10-26 19:51:51,214 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 18 [2018-10-26 19:51:52,531 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:51:52,534 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 19:51:52,540 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 19:51:52,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:51:52 ImpRootNode [2018-10-26 19:51:52,541 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:51:52,541 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:51:52,541 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:51:52,541 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:51:52,542 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:50:39" (3/4) ... [2018-10-26 19:51:52,547 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:51:52,572 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 19:51:52,573 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 19:51:52,574 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 19:51:52,575 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 19:51:52,698 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_24b15dcd-5821-498b-bf0a-7296492c6a35/bin-2019/ukojak/witness.graphml [2018-10-26 19:51:52,698 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:51:52,699 INFO L168 Benchmark]: Toolchain (without parser) took 78053.86 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 958.1 MB in the beginning and 1.2 GB in the end (delta: -256.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-26 19:51:52,700 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:51:52,700 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 931.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:51:52,700 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.87 ms. Allocated memory is still 1.0 GB. Free memory was 931.2 MB in the beginning and 925.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:51:52,700 INFO L168 Benchmark]: Boogie Preprocessor took 153.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:51:52,702 INFO L168 Benchmark]: RCFGBuilder took 3838.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.4 MB in the end (delta: 234.5 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:51:52,703 INFO L168 Benchmark]: CodeCheck took 73308.47 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 901.4 MB in the beginning and 1.2 GB in the end (delta: -342.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-10-26 19:51:52,703 INFO L168 Benchmark]: Witness Printer took 157.35 ms. Allocated memory is still 2.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-10-26 19:51:52,705 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, 228 locations, 1 error locations. SAFE Result, 69.3s OverallTime, 87 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1442842832 SDtfs, 766960192 SDslu, -905951616 SDs, 0 SdLazy, -1801511600 SolverSat, 1900313328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 327.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108488 GetRequests, 106841 SyntacticMatches, 985 SemanticMatches, 662 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327008 ImplicationChecksByTransitivity, 55.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 16830 NumberOfCodeBlocks, 16830 NumberOfCodeBlocksAsserted, 86 NumberOfCheckSat, 16744 ConstructedInterpolants, 0 QuantifiedInterpolants, 8548671 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 86 InterpolantComputations, 70 PerfectInterpolantSequences, 17413/17693 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: (((a25 == 1 && !(a17 == 9)) || a28 == 10) || a17 == 8) || (!(a19 == 1) && a25 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a17 == 8 || (a25 == 1 && !(a17 == 9))) || a28 == 10) || (!(a19 == 1) && a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.97 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 931.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.87 ms. Allocated memory is still 1.0 GB. Free memory was 931.2 MB in the beginning and 925.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 153.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 925.8 MB in the beginning and 1.1 GB in the end (delta: -210.0 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3838.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 901.4 MB in the end (delta: 234.5 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. * CodeCheck took 73308.47 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 901.4 MB in the beginning and 1.2 GB in the end (delta: -342.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 157.35 ms. Allocated memory is still 2.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...