./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label56.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdcfaafc90ac15119dce6cd8ad2b55faf8fffd21 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:22:30,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:22:30,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:22:30,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:22:30,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:22:30,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:22:30,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:22:30,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:22:30,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:22:30,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:22:30,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:22:30,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:22:30,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:22:30,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:22:30,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:22:30,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:22:30,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:22:30,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:22:30,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:22:30,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:22:30,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:22:30,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:22:30,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:22:30,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:22:30,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:22:30,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:22:30,195 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:22:30,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:22:30,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:22:30,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:22:30,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:22:30,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:22:30,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:22:30,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:22:30,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:22:30,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:22:30,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:22:30,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:22:30,212 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:22:30,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:22:30,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:22:30,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:22:30,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:22:30,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:22:30,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:22:30,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:22:30,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:22:30,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:22:30,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:22:30,283 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:22:30,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:22:30,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:22:30,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:22:30,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:22:30,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:22:30,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:22:30,286 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:22:30,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:22:30,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:22:30,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:22:30,288 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:22:30,288 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:22:30,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:22:30,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:22:30,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:22:30,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:22:30,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:22:30,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:22:30,290 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:22:30,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:22:30,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:22:30,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdcfaafc90ac15119dce6cd8ad2b55faf8fffd21 [2020-12-01 17:22:30,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:22:30,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:22:30,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:22:30,786 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:22:30,790 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:22:30,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2020-12-01 17:22:30,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/data/c2fcc9653/ee91a72949324555b79bd85334a6d104/FLAG98cedf76f [2020-12-01 17:22:31,884 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:22:31,885 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2020-12-01 17:22:31,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/data/c2fcc9653/ee91a72949324555b79bd85334a6d104/FLAG98cedf76f [2020-12-01 17:22:32,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/data/c2fcc9653/ee91a72949324555b79bd85334a6d104 [2020-12-01 17:22:32,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:22:32,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:22:32,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:22:32,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:22:32,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:22:32,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:22:32" (1/1) ... [2020-12-01 17:22:32,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c16050b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:32, skipping insertion in model container [2020-12-01 17:22:32,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:22:32" (1/1) ... [2020-12-01 17:22:32,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:22:32,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:22:32,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:22:32,810 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:22:32,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:22:33,004 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:22:33,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33 WrapperNode [2020-12-01 17:22:33,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:22:33,009 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:22:33,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:22:33,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:22:33,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:22:33,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:22:33,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:22:33,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:22:33,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... [2020-12-01 17:22:33,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:22:33,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:22:33,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:22:33,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:22:33,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:22:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/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 [2020-12-01 17:22:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:22:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:22:33,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:22:33,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:22:36,062 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:22:36,062 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:22:36,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:36 BoogieIcfgContainer [2020-12-01 17:22:36,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:22:36,070 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:22:36,071 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:22:36,087 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:22:36,087 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:36" (1/1) ... [2020-12-01 17:22:36,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:22:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2020-12-01 17:22:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2020-12-01 17:22:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 17:22:36,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:36,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:37,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2020-12-01 17:22:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2020-12-01 17:22:37,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 17:22:37,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 242 states and 333 transitions. [2020-12-01 17:22:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 333 transitions. [2020-12-01 17:22:38,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 17:22:38,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:39,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 250 states and 347 transitions. [2020-12-01 17:22:39,276 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 347 transitions. [2020-12-01 17:22:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 17:22:39,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 259 states and 360 transitions. [2020-12-01 17:22:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 360 transitions. [2020-12-01 17:22:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-01 17:22:39,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 262 states and 364 transitions. [2020-12-01 17:22:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 364 transitions. [2020-12-01 17:22:39,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 17:22:39,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:40,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 266 states and 370 transitions. [2020-12-01 17:22:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 370 transitions. [2020-12-01 17:22:40,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-01 17:22:40,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:41,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 276 states and 385 transitions. [2020-12-01 17:22:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 385 transitions. [2020-12-01 17:22:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 17:22:41,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:41,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:41,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 279 states and 388 transitions. [2020-12-01 17:22:41,161 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 388 transitions. [2020-12-01 17:22:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 17:22:41,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:41,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:22:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:41,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 283 states and 393 transitions. [2020-12-01 17:22:41,468 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2020-12-01 17:22:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 17:22:41,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:41,541 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:41,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 288 states and 398 transitions. [2020-12-01 17:22:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 398 transitions. [2020-12-01 17:22:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 17:22:41,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:41,682 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 295 states and 405 transitions. [2020-12-01 17:22:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 405 transitions. [2020-12-01 17:22:41,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 17:22:41,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:41,859 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:42,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 305 states and 419 transitions. [2020-12-01 17:22:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 419 transitions. [2020-12-01 17:22:42,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 17:22:42,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 323 states and 441 transitions. [2020-12-01 17:22:43,260 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 441 transitions. [2020-12-01 17:22:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-01 17:22:43,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:22:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:43,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 325 states and 444 transitions. [2020-12-01 17:22:43,609 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 444 transitions. [2020-12-01 17:22:43,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 17:22:43,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 330 states and 450 transitions. [2020-12-01 17:22:43,736 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2020-12-01 17:22:43,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 17:22:43,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 332 states and 452 transitions. [2020-12-01 17:22:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 452 transitions. [2020-12-01 17:22:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 17:22:43,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:43,908 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 342 states and 462 transitions. [2020-12-01 17:22:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 462 transitions. [2020-12-01 17:22:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 17:22:44,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:46,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 446 states and 577 transitions. [2020-12-01 17:22:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 577 transitions. [2020-12-01 17:22:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 17:22:46,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:46,873 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:46,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 451 states and 582 transitions. [2020-12-01 17:22:46,921 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 582 transitions. [2020-12-01 17:22:46,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 17:22:46,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:49,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 479 states and 619 transitions. [2020-12-01 17:22:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 619 transitions. [2020-12-01 17:22:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 17:22:49,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:50,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:50,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 503 states and 650 transitions. [2020-12-01 17:22:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 650 transitions. [2020-12-01 17:22:50,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 17:22:50,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:22:51,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 513 states and 662 transitions. [2020-12-01 17:22:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 662 transitions. [2020-12-01 17:22:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 17:22:51,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:51,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:51,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 517 states and 667 transitions. [2020-12-01 17:22:51,460 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 667 transitions. [2020-12-01 17:22:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 17:22:51,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:22:51,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 519 states and 669 transitions. [2020-12-01 17:22:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 669 transitions. [2020-12-01 17:22:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 17:22:51,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,835 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 520 states and 670 transitions. [2020-12-01 17:22:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 670 transitions. [2020-12-01 17:22:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 17:22:51,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:52,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 521 states and 671 transitions. [2020-12-01 17:22:52,011 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 671 transitions. [2020-12-01 17:22:52,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-01 17:22:52,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:52,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 523 states and 673 transitions. [2020-12-01 17:22:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 673 transitions. [2020-12-01 17:22:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-01 17:22:52,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:22:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 626 states and 785 transitions. [2020-12-01 17:22:54,848 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 785 transitions. [2020-12-01 17:22:54,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 17:22:54,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:55,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 639 states and 800 transitions. [2020-12-01 17:22:55,191 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 800 transitions. [2020-12-01 17:22:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 17:22:55,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:55,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:55,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 652 states and 818 transitions. [2020-12-01 17:22:55,576 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 818 transitions. [2020-12-01 17:22:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 17:22:55,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:55,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:22:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:55,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 655 states and 821 transitions. [2020-12-01 17:22:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 821 transitions. [2020-12-01 17:22:55,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 17:22:55,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 17:22:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 659 states and 827 transitions. [2020-12-01 17:22:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 827 transitions. [2020-12-01 17:22:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 17:22:56,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:22:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:56,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 677 states and 847 transitions. [2020-12-01 17:22:56,402 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 847 transitions. [2020-12-01 17:22:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 17:22:56,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:56,506 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:57,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:57,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 698 states and 871 transitions. [2020-12-01 17:22:57,083 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 871 transitions. [2020-12-01 17:22:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 17:22:57,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:22:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 699 states and 871 transitions. [2020-12-01 17:22:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 871 transitions. [2020-12-01 17:22:57,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-01 17:22:57,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:22:58,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:58,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 713 states and 888 transitions. [2020-12-01 17:22:58,326 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 888 transitions. [2020-12-01 17:22:58,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 17:22:58,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:22:58,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 734 states and 913 transitions. [2020-12-01 17:22:58,961 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 913 transitions. [2020-12-01 17:22:58,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 17:22:58,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:22:59,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:22:59,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 742 states and 922 transitions. [2020-12-01 17:22:59,673 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 922 transitions. [2020-12-01 17:22:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 17:22:59,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:22:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:22:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:01,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:01,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 759 states and 946 transitions. [2020-12-01 17:23:01,309 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 946 transitions. [2020-12-01 17:23:01,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 17:23:01,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:23:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:01,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 761 states and 947 transitions. [2020-12-01 17:23:01,572 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 947 transitions. [2020-12-01 17:23:01,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:23:01,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 777 states and 964 transitions. [2020-12-01 17:23:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 964 transitions. [2020-12-01 17:23:02,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-01 17:23:02,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:23:03,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:03,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 785 states and 974 transitions. [2020-12-01 17:23:03,177 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 974 transitions. [2020-12-01 17:23:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 17:23:03,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 17:23:04,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:04,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 809 states and 1001 transitions. [2020-12-01 17:23:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1001 transitions. [2020-12-01 17:23:04,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 17:23:04,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:04,198 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:23:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:04,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 831 states and 1025 transitions. [2020-12-01 17:23:04,746 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1025 transitions. [2020-12-01 17:23:04,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-12-01 17:23:04,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 17:23:05,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 836 states and 1030 transitions. [2020-12-01 17:23:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1030 transitions. [2020-12-01 17:23:05,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 17:23:05,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:23:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 863 states and 1060 transitions. [2020-12-01 17:23:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1060 transitions. [2020-12-01 17:23:06,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 17:23:06,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:06,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 892 states and 1095 transitions. [2020-12-01 17:23:06,774 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1095 transitions. [2020-12-01 17:23:06,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 17:23:06,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 17:23:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 893 states and 1095 transitions. [2020-12-01 17:23:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1095 transitions. [2020-12-01 17:23:07,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 17:23:07,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:07,186 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 17:23:07,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:07,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 909 states and 1112 transitions. [2020-12-01 17:23:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1112 transitions. [2020-12-01 17:23:07,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 17:23:07,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 68 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:08,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:08,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 937 states and 1142 transitions. [2020-12-01 17:23:08,228 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1142 transitions. [2020-12-01 17:23:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-12-01 17:23:08,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:08,339 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:08,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 942 states and 1148 transitions. [2020-12-01 17:23:08,450 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1148 transitions. [2020-12-01 17:23:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:23:08,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 17:23:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:10,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 979 states and 1193 transitions. [2020-12-01 17:23:10,346 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1193 transitions. [2020-12-01 17:23:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:23:10,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 17:23:10,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 983 states and 1197 transitions. [2020-12-01 17:23:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1197 transitions. [2020-12-01 17:23:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:23:10,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1041 states and 1261 transitions. [2020-12-01 17:23:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1261 transitions. [2020-12-01 17:23:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:23:14,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:14,195 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:23:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:14,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1069 states and 1292 transitions. [2020-12-01 17:23:14,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1292 transitions. [2020-12-01 17:23:14,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:23:14,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:14,547 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:15,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1086 states and 1311 transitions. [2020-12-01 17:23:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1311 transitions. [2020-12-01 17:23:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-12-01 17:23:15,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:23:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1117 states and 1352 transitions. [2020-12-01 17:23:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1352 transitions. [2020-12-01 17:23:18,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-12-01 17:23:18,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:18,255 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:23:19,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1127 states and 1361 transitions. [2020-12-01 17:23:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1361 transitions. [2020-12-01 17:23:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 17:23:19,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:19,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:21,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1140 states and 1377 transitions. [2020-12-01 17:23:21,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1377 transitions. [2020-12-01 17:23:21,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 17:23:21,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:23:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1152 states and 1388 transitions. [2020-12-01 17:23:22,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1388 transitions. [2020-12-01 17:23:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-12-01 17:23:22,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 17:23:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1171 states and 1407 transitions. [2020-12-01 17:23:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1407 transitions. [2020-12-01 17:23:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-01 17:23:22,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1296 states and 1539 transitions. [2020-12-01 17:23:26,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1539 transitions. [2020-12-01 17:23:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 17:23:26,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:28,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1343 states and 1586 transitions. [2020-12-01 17:23:28,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1586 transitions. [2020-12-01 17:23:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 17:23:28,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 1382 states and 1629 transitions. [2020-12-01 17:23:31,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1629 transitions. [2020-12-01 17:23:31,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 17:23:31,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1392 states and 1638 transitions. [2020-12-01 17:23:32,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1638 transitions. [2020-12-01 17:23:32,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 17:23:32,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:33,224 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 17:23:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:34,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1393 states and 1640 transitions. [2020-12-01 17:23:34,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1640 transitions. [2020-12-01 17:23:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 17:23:34,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1420 states and 1672 transitions. [2020-12-01 17:23:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1672 transitions. [2020-12-01 17:23:36,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-12-01 17:23:36,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:23:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1421 states and 1674 transitions. [2020-12-01 17:23:37,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1674 transitions. [2020-12-01 17:23:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 17:23:37,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2020-12-01 17:23:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:37,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1423 states and 1678 transitions. [2020-12-01 17:23:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1678 transitions. [2020-12-01 17:23:37,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 17:23:37,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 17:23:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:37,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1424 states and 1678 transitions. [2020-12-01 17:23:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1678 transitions. [2020-12-01 17:23:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-12-01 17:23:37,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:37,969 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:38,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1425 states and 1679 transitions. [2020-12-01 17:23:38,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1679 transitions. [2020-12-01 17:23:38,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-12-01 17:23:38,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 148 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:23:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1430 states and 1697 transitions. [2020-12-01 17:23:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1697 transitions. [2020-12-01 17:23:40,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 17:23:40,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:41,031 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:23:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1445 states and 1717 transitions. [2020-12-01 17:23:45,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1717 transitions. [2020-12-01 17:23:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 17:23:45,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:23:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1463 states and 1740 transitions. [2020-12-01 17:23:49,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1740 transitions. [2020-12-01 17:23:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 17:23:49,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:23:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:56,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1578 states and 1870 transitions. [2020-12-01 17:23:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 1870 transitions. [2020-12-01 17:23:56,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 17:23:56,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:56,274 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:23:56,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1582 states and 1874 transitions. [2020-12-01 17:23:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1874 transitions. [2020-12-01 17:23:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 17:23:56,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:56,924 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:23:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:23:58,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1606 states and 1902 transitions. [2020-12-01 17:23:58,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1902 transitions. [2020-12-01 17:23:58,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-12-01 17:23:58,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:23:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:23:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:24:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:01,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1643 states and 1943 transitions. [2020-12-01 17:24:01,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1943 transitions. [2020-12-01 17:24:01,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 17:24:01,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 17:24:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1644 states and 1943 transitions. [2020-12-01 17:24:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 1943 transitions. [2020-12-01 17:24:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 17:24:01,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-12-01 17:24:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1667 states and 1966 transitions. [2020-12-01 17:24:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1966 transitions. [2020-12-01 17:24:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 17:24:03,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 109 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1672 states and 1970 transitions. [2020-12-01 17:24:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1970 transitions. [2020-12-01 17:24:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 17:24:03,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:24:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1693 states and 1998 transitions. [2020-12-01 17:24:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 1998 transitions. [2020-12-01 17:24:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 17:24:07,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:24:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1698 states and 2002 transitions. [2020-12-01 17:24:08,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2002 transitions. [2020-12-01 17:24:08,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 17:24:08,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:08,595 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:24:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1699 states and 2002 transitions. [2020-12-01 17:24:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2002 transitions. [2020-12-01 17:24:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 17:24:08,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 118 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:24:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1785 states and 2101 transitions. [2020-12-01 17:24:16,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2101 transitions. [2020-12-01 17:24:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 17:24:16,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 118 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:24:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1803 states and 2118 transitions. [2020-12-01 17:24:18,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2118 transitions. [2020-12-01 17:24:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 17:24:18,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 17:24:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:19,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2122 states to 1807 states and 2122 transitions. [2020-12-01 17:24:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2122 transitions. [2020-12-01 17:24:19,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 17:24:19,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 17:24:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1821 states and 2139 transitions. [2020-12-01 17:24:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2139 transitions. [2020-12-01 17:24:20,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-12-01 17:24:20,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-12-01 17:24:21,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:21,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1822 states and 2139 transitions. [2020-12-01 17:24:21,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2139 transitions. [2020-12-01 17:24:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-12-01 17:24:21,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:21,384 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 107 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:24:22,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:22,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1825 states and 2142 transitions. [2020-12-01 17:24:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2142 transitions. [2020-12-01 17:24:22,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 17:24:22,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 17:24:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:22,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1830 states and 2147 transitions. [2020-12-01 17:24:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2147 transitions. [2020-12-01 17:24:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 17:24:22,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:22,926 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:24:23,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:23,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2148 states to 1832 states and 2148 transitions. [2020-12-01 17:24:23,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2148 transitions. [2020-12-01 17:24:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 17:24:23,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:24:25,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:25,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 1843 states and 2166 transitions. [2020-12-01 17:24:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2166 transitions. [2020-12-01 17:24:25,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 17:24:25,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:24:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1845 states and 2167 transitions. [2020-12-01 17:24:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2167 transitions. [2020-12-01 17:24:26,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 17:24:26,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:24:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1847 states and 2168 transitions. [2020-12-01 17:24:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2168 transitions. [2020-12-01 17:24:27,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:24:27,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 17:24:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1850 states and 2171 transitions. [2020-12-01 17:24:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2171 transitions. [2020-12-01 17:24:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-12-01 17:24:27,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:27,483 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 17:24:28,148 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-12-01 17:24:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1861 states and 2182 transitions. [2020-12-01 17:24:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2182 transitions. [2020-12-01 17:24:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:24:28,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 17:24:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1865 states and 2186 transitions. [2020-12-01 17:24:28,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2186 transitions. [2020-12-01 17:24:28,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-12-01 17:24:28,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:28,715 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-12-01 17:24:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1866 states and 2186 transitions. [2020-12-01 17:24:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 2186 transitions. [2020-12-01 17:24:29,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 17:24:29,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:29,418 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:24:30,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1894 states and 2217 transitions. [2020-12-01 17:24:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2217 transitions. [2020-12-01 17:24:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 17:24:30,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:30,400 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:24:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2222 states to 1898 states and 2222 transitions. [2020-12-01 17:24:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 2222 transitions. [2020-12-01 17:24:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 17:24:31,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:24:31,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1899 states and 2225 transitions. [2020-12-01 17:24:31,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2225 transitions. [2020-12-01 17:24:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 17:24:31,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:24:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:32,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1903 states and 2229 transitions. [2020-12-01 17:24:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2229 transitions. [2020-12-01 17:24:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-01 17:24:32,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1944 states and 2284 transitions. [2020-12-01 17:24:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 2284 transitions. [2020-12-01 17:24:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-01 17:24:38,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:40,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1949 states and 2288 transitions. [2020-12-01 17:24:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 2288 transitions. [2020-12-01 17:24:40,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-01 17:24:40,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1969 states and 2312 transitions. [2020-12-01 17:24:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2312 transitions. [2020-12-01 17:24:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-12-01 17:24:42,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:42,967 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1972 states and 2314 transitions. [2020-12-01 17:24:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2314 transitions. [2020-12-01 17:24:43,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:24:43,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 17:24:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 1990 states and 2345 transitions. [2020-12-01 17:24:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2345 transitions. [2020-12-01 17:24:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:24:49,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:49,343 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 145 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2020 states and 2382 transitions. [2020-12-01 17:24:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2382 transitions. [2020-12-01 17:24:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:24:53,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 145 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:56,071 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-01 17:24:58,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:58,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2035 states and 2401 transitions. [2020-12-01 17:24:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2401 transitions. [2020-12-01 17:24:58,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:24:58,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 145 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:24:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:24:59,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 2037 states and 2403 transitions. [2020-12-01 17:24:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2403 transitions. [2020-12-01 17:24:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:24:59,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:24:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:24:59,731 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 145 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:25:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:00,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2039 states and 2405 transitions. [2020-12-01 17:25:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2405 transitions. [2020-12-01 17:25:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:25:00,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:00,779 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 145 proven. 26 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:25:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2042 states and 2407 transitions. [2020-12-01 17:25:01,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 2407 transitions. [2020-12-01 17:25:01,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:25:01,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 17:25:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2044 states and 2409 transitions. [2020-12-01 17:25:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 2409 transitions. [2020-12-01 17:25:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:25:03,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 17:25:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:04,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 2048 states and 2413 transitions. [2020-12-01 17:25:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 2413 transitions. [2020-12-01 17:25:04,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:25:04,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:05,095 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 17:25:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:06,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2052 states and 2417 transitions. [2020-12-01 17:25:06,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 2417 transitions. [2020-12-01 17:25:06,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-12-01 17:25:06,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 17:25:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:08,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2061 states and 2426 transitions. [2020-12-01 17:25:08,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2426 transitions. [2020-12-01 17:25:08,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 17:25:08,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 17:25:12,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2089 states and 2458 transitions. [2020-12-01 17:25:12,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2458 transitions. [2020-12-01 17:25:12,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 17:25:12,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 17:25:17,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:17,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2116 states and 2484 transitions. [2020-12-01 17:25:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2484 transitions. [2020-12-01 17:25:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-12-01 17:25:17,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 17:25:18,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:18,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2117 states and 2484 transitions. [2020-12-01 17:25:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 2484 transitions. [2020-12-01 17:25:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 17:25:18,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-12-01 17:25:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 2118 states and 2484 transitions. [2020-12-01 17:25:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2484 transitions. [2020-12-01 17:25:20,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 17:25:20,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 170 proven. 16 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-12-01 17:25:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 2146 states and 2517 transitions. [2020-12-01 17:25:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2517 transitions. [2020-12-01 17:25:28,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 17:25:28,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 170 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 17:25:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2158 states and 2531 transitions. [2020-12-01 17:25:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2531 transitions. [2020-12-01 17:25:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 17:25:32,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 170 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 17:25:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2161 states and 2534 transitions. [2020-12-01 17:25:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2534 transitions. [2020-12-01 17:25:35,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 17:25:35,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 17:25:35,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2534 states to 2162 states and 2534 transitions. [2020-12-01 17:25:35,790 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2534 transitions. [2020-12-01 17:25:35,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-12-01 17:25:35,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 193 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:25:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2217 states and 2599 transitions. [2020-12-01 17:25:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2599 transitions. [2020-12-01 17:25:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-12-01 17:25:43,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 193 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:25:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:48,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2648 states to 2264 states and 2648 transitions. [2020-12-01 17:25:48,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 2648 transitions. [2020-12-01 17:25:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-12-01 17:25:48,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:48,923 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 193 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:25:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:51,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2284 states and 2669 transitions. [2020-12-01 17:25:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2669 transitions. [2020-12-01 17:25:51,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-12-01 17:25:51,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:51,938 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 193 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:25:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2304 states and 2689 transitions. [2020-12-01 17:25:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2689 transitions. [2020-12-01 17:25:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-12-01 17:25:54,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:54,376 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 193 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:25:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:55,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 2314 states and 2699 transitions. [2020-12-01 17:25:55,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2699 transitions. [2020-12-01 17:25:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 17:25:55,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-01 17:25:56,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:56,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2318 states and 2703 transitions. [2020-12-01 17:25:56,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2703 transitions. [2020-12-01 17:25:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-12-01 17:25:56,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-12-01 17:25:57,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2319 states and 2703 transitions. [2020-12-01 17:25:57,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2703 transitions. [2020-12-01 17:25:57,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-01 17:25:57,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:25:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:25:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2328 states and 2714 transitions. [2020-12-01 17:25:59,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2714 transitions. [2020-12-01 17:25:59,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-01 17:25:59,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:25:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:25:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 17:26:01,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:01,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2330 states and 2715 transitions. [2020-12-01 17:26:01,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 2715 transitions. [2020-12-01 17:26:01,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-12-01 17:26:01,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 165 proven. 52 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 17:26:03,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:03,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2333 states and 2717 transitions. [2020-12-01 17:26:03,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2717 transitions. [2020-12-01 17:26:03,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-12-01 17:26:03,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:04,590 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-12-01 17:26:18,156 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-01 17:26:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2476 states and 2874 transitions. [2020-12-01 17:26:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 2874 transitions. [2020-12-01 17:26:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-12-01 17:26:19,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:26:23,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2497 states and 2901 transitions. [2020-12-01 17:26:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2901 transitions. [2020-12-01 17:26:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-12-01 17:26:23,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:24,079 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:26:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 2525 states and 2929 transitions. [2020-12-01 17:26:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 2929 transitions. [2020-12-01 17:26:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-12-01 17:26:27,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:27,115 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:26:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:28,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2539 states and 2942 transitions. [2020-12-01 17:26:28,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2942 transitions. [2020-12-01 17:26:28,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-12-01 17:26:28,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-12-01 17:26:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2555 states and 2956 transitions. [2020-12-01 17:26:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 2956 transitions. [2020-12-01 17:26:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-12-01 17:26:28,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-12-01 17:26:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2559 states and 2959 transitions. [2020-12-01 17:26:29,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 2959 transitions. [2020-12-01 17:26:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-12-01 17:26:29,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:29,443 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-12-01 17:26:29,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2962 states to 2563 states and 2962 transitions. [2020-12-01 17:26:29,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 2962 transitions. [2020-12-01 17:26:29,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-01 17:26:29,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-12-01 17:26:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:31,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2572 states and 2970 transitions. [2020-12-01 17:26:31,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 2970 transitions. [2020-12-01 17:26:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-01 17:26:31,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-12-01 17:26:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2581 states and 2979 transitions. [2020-12-01 17:26:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 2979 transitions. [2020-12-01 17:26:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-01 17:26:33,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:34,017 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-12-01 17:26:34,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2582 states and 2980 transitions. [2020-12-01 17:26:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 2980 transitions. [2020-12-01 17:26:34,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-01 17:26:34,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-12-01 17:26:36,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:36,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2585 states and 2982 transitions. [2020-12-01 17:26:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 2982 transitions. [2020-12-01 17:26:36,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-01 17:26:36,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:37,207 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 279 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:26:39,626 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2020-12-01 17:26:40,750 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2020-12-01 17:26:42,805 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-12-01 17:26:45,021 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-01 17:26:47,014 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2020-12-01 17:26:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 2617 states and 3019 transitions. [2020-12-01 17:26:47,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3019 transitions. [2020-12-01 17:26:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-01 17:26:47,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 279 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:26:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2621 states and 3022 transitions. [2020-12-01 17:26:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 3022 transitions. [2020-12-01 17:26:50,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-01 17:26:50,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:51,452 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 279 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:26:52,098 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-12-01 17:26:54,041 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-01 17:26:55,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:26:55,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 2634 states and 3035 transitions. [2020-12-01 17:26:55,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 3035 transitions. [2020-12-01 17:26:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-01 17:26:55,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:26:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:26:55,678 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 279 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-12-01 17:26:56,390 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2020-12-01 17:27:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 2652 states and 3054 transitions. [2020-12-01 17:27:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 3054 transitions. [2020-12-01 17:27:01,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-12-01 17:27:01,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:02,115 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2020-12-01 17:27:02,365 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2020-12-01 17:27:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 2731 states and 3135 transitions. [2020-12-01 17:27:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3135 transitions. [2020-12-01 17:27:06,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2020-12-01 17:27:06,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:27:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:27:07,324 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2020-12-01 17:27:22,633 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-01 17:27:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:27:27,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 2877 states and 3317 transitions. [2020-12-01 17:27:27,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2877 states and 3317 transitions. [2020-12-01 17:27:27,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:27:27,417 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 153 iterations. [2020-12-01 17:27:27,425 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:27:27,941 WARN L197 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-12-01 17:27:28,183 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 18 [2020-12-01 17:27:28,784 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 39 [2020-12-01 17:27:29,099 WARN L197 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 18 [2020-12-01 17:27:29,481 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-12-01 17:27:29,737 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 18 [2020-12-01 17:27:30,115 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-12-01 17:27:30,370 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 18 [2020-12-01 17:27:30,644 WARN L197 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 18 [2020-12-01 17:27:31,227 WARN L197 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-12-01 17:27:31,552 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 18 [2020-12-01 17:27:32,075 WARN L197 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-12-01 17:27:32,500 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-12-01 17:27:33,182 WARN L197 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2020-12-01 17:27:33,452 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 18 [2020-12-01 17:27:33,869 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2020-12-01 17:27:34,426 WARN L197 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 39 [2020-12-01 17:27:34,680 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 18 [2020-12-01 17:27:35,142 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2020-12-01 17:27:35,637 WARN L197 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 39 [2020-12-01 17:27:36,009 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-12-01 17:27:36,204 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 18 [2020-12-01 17:27:36,560 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 33 [2020-12-01 17:27:37,219 WARN L197 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2020-12-01 17:27:37,764 WARN L197 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-12-01 17:27:38,196 WARN L197 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2020-12-01 17:27:38,371 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 18 [2020-12-01 17:27:38,898 WARN L197 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 39 [2020-12-01 17:27:39,256 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2020-12-01 17:27:39,776 WARN L197 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 39 [2020-12-01 17:27:40,362 WARN L197 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 37 [2020-12-01 17:27:40,625 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 18 [2020-12-01 17:27:40,798 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 18 [2020-12-01 17:27:41,093 WARN L197 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 18 [2020-12-01 17:27:41,319 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 18 [2020-12-01 17:27:42,007 WARN L197 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2020-12-01 17:27:42,564 WARN L197 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-12-01 17:27:43,054 WARN L197 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 39 [2020-12-01 17:27:43,346 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 18 [2020-12-01 17:27:43,545 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 18 [2020-12-01 17:27:43,802 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 18 [2020-12-01 17:27:44,043 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 18 [2020-12-01 17:27:44,254 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 18 [2020-12-01 17:27:44,495 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 18 [2020-12-01 17:27:44,936 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2020-12-01 17:27:45,519 WARN L197 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 39 [2020-12-01 17:27:45,788 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 18 [2020-12-01 17:27:46,549 WARN L197 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-12-01 17:27:46,931 WARN L197 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 33 [2020-12-01 17:27:47,256 WARN L197 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 18 [2020-12-01 17:27:47,849 WARN L197 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 37 [2020-12-01 17:27:48,121 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 18 [2020-12-01 17:27:48,498 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 18 [2020-12-01 17:27:48,864 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 18 [2020-12-01 17:27:49,300 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2020-12-01 17:27:49,844 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2020-12-01 17:27:50,123 WARN L197 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 18 [2020-12-01 17:27:50,717 WARN L197 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-12-01 17:27:50,893 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 18 [2020-12-01 17:27:51,453 WARN L197 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 39 [2020-12-01 17:27:51,625 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 18 [2020-12-01 17:27:51,734 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 18 [2020-12-01 17:27:52,117 WARN L197 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 18 [2020-12-01 17:27:52,448 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 18 [2020-12-01 17:27:52,847 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 30 [2020-12-01 17:27:53,403 WARN L197 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 39 [2020-12-01 17:27:53,837 WARN L197 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2020-12-01 17:27:54,381 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2020-12-01 17:27:54,785 WARN L197 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2020-12-01 17:27:55,262 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 39 [2020-12-01 17:27:55,744 WARN L197 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 39 [2020-12-01 17:27:56,183 WARN L197 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 30 [2020-12-01 17:27:56,606 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2020-12-01 17:27:56,765 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 18 [2020-12-01 17:27:57,339 WARN L197 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-12-01 17:27:57,757 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-12-01 17:27:57,963 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 18 [2020-12-01 17:27:58,439 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 39 [2020-12-01 17:27:58,838 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-12-01 17:27:58,838 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:27:58,842 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 17:27:58,849 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 17:27:58,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:27:58 ImpRootNode [2020-12-01 17:27:58,852 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:27:58,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:27:58,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:27:58,853 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:27:58,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:22:36" (3/4) ... [2020-12-01 17:27:58,857 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:27:58,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2020-12-01 17:27:58,911 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 17:27:58,913 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-01 17:27:58,915 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:27:59,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4ab17579-f727-4a5d-a975-c35ea4f2f745/bin/ukojak/witness.graphml [2020-12-01 17:27:59,109 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:27:59,110 INFO L168 Benchmark]: Toolchain (without parser) took 327075.85 ms. Allocated memory was 102.8 MB in the beginning and 5.0 GB in the end (delta: 4.9 GB). Free memory was 70.8 MB in the beginning and 4.5 GB in the end (delta: -4.5 GB). Peak memory consumption was 448.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:59,110 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 77.6 MB. Free memory was 38.5 MB in the beginning and 38.5 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:27:59,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.73 ms. Allocated memory is still 102.8 MB. Free memory was 70.8 MB in the beginning and 64.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:59,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.27 ms. Allocated memory is still 102.8 MB. Free memory was 63.9 MB in the beginning and 58.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:59,113 INFO L168 Benchmark]: Boogie Preprocessor took 120.39 ms. Allocated memory is still 102.8 MB. Free memory was 58.6 MB in the beginning and 54.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:59,113 INFO L168 Benchmark]: RCFGBuilder took 2802.73 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 54.4 MB in the beginning and 56.4 MB in the end (delta: -1.9 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:59,114 INFO L168 Benchmark]: CodeCheck took 322782.46 ms. Allocated memory was 138.4 MB in the beginning and 5.0 GB in the end (delta: 4.9 GB). Free memory was 56.4 MB in the beginning and 4.5 GB in the end (delta: -4.5 GB). Peak memory consumption was 895.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:59,114 INFO L168 Benchmark]: Witness Printer took 256.01 ms. Allocated memory is still 5.0 GB. Free memory was 4.5 GB in the beginning and 4.5 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:27:59,117 INFO L339 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, 85 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 291.2s, OverallIterations: 153, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 268959764 SDtfs, 1878395472 SDslu, -1741160328 SDs, 0 SdLazy, -1200348296 SolverSat, 208471288 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1155.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 179732 GetRequests, 173815 SyntacticMatches, 4555 SemanticMatches, 1362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1213078 ImplicationChecksByTransitivity, 240.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 26419 NumberOfCodeBlocks, 26419 NumberOfCodeBlocksAsserted, 152 NumberOfCheckSat, 26267 ConstructedInterpolants, 0 QuantifiedInterpolants, 21363626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 152 InterpolantComputations, 113 PerfectInterpolantSequences, 20913/21917 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: 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: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((a19 == 1 || !(a28 == 10)) || !(a17 == 8)) || a25 == 1) || !(a11 == 1) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((a19 == 1 || !(a28 == 10)) || !(a17 == 8)) || a25 == 1) || !(a11 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 77.6 MB. Free memory was 38.5 MB in the beginning and 38.5 MB in the end (delta: 38.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 971.73 ms. Allocated memory is still 102.8 MB. Free memory was 70.8 MB in the beginning and 64.4 MB in the end (delta: 6.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 132.27 ms. Allocated memory is still 102.8 MB. Free memory was 63.9 MB in the beginning and 58.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 120.39 ms. Allocated memory is still 102.8 MB. Free memory was 58.6 MB in the beginning and 54.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2802.73 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 54.4 MB in the beginning and 56.4 MB in the end (delta: -1.9 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * CodeCheck took 322782.46 ms. Allocated memory was 138.4 MB in the beginning and 5.0 GB in the end (delta: 4.9 GB). Free memory was 56.4 MB in the beginning and 4.5 GB in the end (delta: -4.5 GB). Peak memory consumption was 895.1 MB. Max. memory is 16.1 GB. * Witness Printer took 256.01 ms. Allocated memory is still 5.0 GB. Free memory was 4.5 GB in the beginning and 4.5 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...