./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/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 0db572bf30caf92f48b0dba5a9cc25cec23b8ac8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:44:39,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:44:39,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:44:40,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:44:40,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:44:40,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:44:40,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:44:40,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:44:40,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:44:40,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:44:40,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:44:40,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:44:40,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:44:40,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:44:40,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:44:40,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:44:40,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:44:40,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:44:40,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:44:40,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:44:40,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:44:40,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:44:40,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:44:40,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:44:40,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:44:40,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:44:40,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:44:40,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:44:40,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:44:40,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:44:40,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:44:40,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:44:40,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:44:40,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:44:40,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:44:40,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:44:40,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:44:40,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:44:40,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:44:40,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:44:40,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:44:40,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 18:44:40,153 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:44:40,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:44:40,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 18:44:40,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 18:44:40,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:44:40,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:44:40,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:44:40,157 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:44:40,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:44:40,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:44:40,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:44:40,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:44:40,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:44:40,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:44:40,161 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:44:40,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:44:40,161 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:44:40,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:44:40,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 18:44:40,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 18:44:40,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:44:40,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:44:40,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 18:44:40,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:44:40,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:44:40,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:44:40,165 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 18:44:40,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:44:40,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:44:40,166 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_1df3681c-0260-4e03-8325-348ed53b5ee3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0db572bf30caf92f48b0dba5a9cc25cec23b8ac8 [2020-11-29 18:44:40,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:44:40,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:44:40,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:44:40,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:44:40,578 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:44:40,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c [2020-11-29 18:44:40,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/data/5cdf5590c/fc0cccdce8de4573b9671526b407626b/FLAG30688039d [2020-11-29 18:44:41,403 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:44:41,404 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/sv-benchmarks/c/psyco/psyco_abp_1-3.c [2020-11-29 18:44:41,431 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/data/5cdf5590c/fc0cccdce8de4573b9671526b407626b/FLAG30688039d [2020-11-29 18:44:41,696 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/data/5cdf5590c/fc0cccdce8de4573b9671526b407626b [2020-11-29 18:44:41,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:44:41,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:44:41,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:44:41,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:44:41,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:44:41,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:44:41" (1/1) ... [2020-11-29 18:44:41,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348752ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:41, skipping insertion in model container [2020-11-29 18:44:41,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:44:41" (1/1) ... [2020-11-29 18:44:41,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:44:41,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:44:42,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:44:42,158 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:44:42,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:44:42,279 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:44:42,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42 WrapperNode [2020-11-29 18:44:42,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:44:42,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:44:42,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:44:42,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:44:42,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:44:42,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:44:42,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:44:42,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:44:42,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,428 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... [2020-11-29 18:44:42,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:44:42,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:44:42,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:44:42,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:44:42,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:44:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/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 [2020-11-29 18:44:42,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:44:42,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:44:42,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:44:42,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:44:43,858 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:44:43,859 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-29 18:44:43,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:44:43 BoogieIcfgContainer [2020-11-29 18:44:43,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:44:43,863 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 18:44:43,863 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 18:44:43,876 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 18:44:43,877 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:44:43" (1/1) ... [2020-11-29 18:44:43,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:44:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 107 states and 207 transitions. [2020-11-29 18:44:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 207 transitions. [2020-11-29 18:44:43,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 18:44:43,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:44,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 107 states and 197 transitions. [2020-11-29 18:44:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 197 transitions. [2020-11-29 18:44:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 18:44:44,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 110 states and 236 transitions. [2020-11-29 18:44:44,289 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 236 transitions. [2020-11-29 18:44:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:44:44,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:44:44,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 110 states and 235 transitions. [2020-11-29 18:44:44,415 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 235 transitions. [2020-11-29 18:44:44,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 18:44:44,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 116 states and 284 transitions. [2020-11-29 18:44:44,791 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 284 transitions. [2020-11-29 18:44:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 18:44:44,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:44,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:45,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 119 states and 322 transitions. [2020-11-29 18:44:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 322 transitions. [2020-11-29 18:44:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 18:44:45,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:45,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:45,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 122 states and 329 transitions. [2020-11-29 18:44:45,360 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 329 transitions. [2020-11-29 18:44:45,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:44:45,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:45,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 126 states and 337 transitions. [2020-11-29 18:44:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 337 transitions. [2020-11-29 18:44:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 18:44:45,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 18:44:46,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 132 states and 353 transitions. [2020-11-29 18:44:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 353 transitions. [2020-11-29 18:44:46,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 18:44:46,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:46,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 139 states and 370 transitions. [2020-11-29 18:44:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 370 transitions. [2020-11-29 18:44:46,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:44:46,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:44:46,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:46,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 140 states and 373 transitions. [2020-11-29 18:44:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 373 transitions. [2020-11-29 18:44:46,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:44:46,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:46,728 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:44:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:46,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 140 states and 371 transitions. [2020-11-29 18:44:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 371 transitions. [2020-11-29 18:44:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 18:44:46,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:46,917 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:44:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 143 states and 415 transitions. [2020-11-29 18:44:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 415 transitions. [2020-11-29 18:44:47,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:44:47,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:44:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 144 states and 418 transitions. [2020-11-29 18:44:47,389 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 418 transitions. [2020-11-29 18:44:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:44:47,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:44:47,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 145 states and 420 transitions. [2020-11-29 18:44:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 420 transitions. [2020-11-29 18:44:47,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 18:44:47,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:47,487 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:44:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 146 states and 422 transitions. [2020-11-29 18:44:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 422 transitions. [2020-11-29 18:44:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:44:47,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:44:47,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 147 states and 425 transitions. [2020-11-29 18:44:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 425 transitions. [2020-11-29 18:44:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:44:47,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:44:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 148 states and 427 transitions. [2020-11-29 18:44:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 427 transitions. [2020-11-29 18:44:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 18:44:47,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 156 states and 482 transitions. [2020-11-29 18:44:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 482 transitions. [2020-11-29 18:44:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:44:48,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:44:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:48,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 158 states and 486 transitions. [2020-11-29 18:44:48,773 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 486 transitions. [2020-11-29 18:44:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:44:48,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:44:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 159 states and 489 transitions. [2020-11-29 18:44:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 489 transitions. [2020-11-29 18:44:48,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:44:48,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:44:49,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:49,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 160 states and 491 transitions. [2020-11-29 18:44:49,017 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 491 transitions. [2020-11-29 18:44:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:44:49,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:49,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 169 states and 546 transitions. [2020-11-29 18:44:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 546 transitions. [2020-11-29 18:44:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 18:44:49,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 18:44:50,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 174 states and 587 transitions. [2020-11-29 18:44:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 587 transitions. [2020-11-29 18:44:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:44:50,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:44:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 174 states and 585 transitions. [2020-11-29 18:44:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 585 transitions. [2020-11-29 18:44:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:44:50,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:50,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:44:50,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 175 states and 587 transitions. [2020-11-29 18:44:50,599 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 587 transitions. [2020-11-29 18:44:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 18:44:50,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:50,621 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:44:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 176 states and 589 transitions. [2020-11-29 18:44:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 589 transitions. [2020-11-29 18:44:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:44:50,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:50,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 18:44:50,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 177 states and 590 transitions. [2020-11-29 18:44:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 590 transitions. [2020-11-29 18:44:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 18:44:50,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:50,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 181 states and 600 transitions. [2020-11-29 18:44:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 600 transitions. [2020-11-29 18:44:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 18:44:50,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:44:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:51,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 186 states and 618 transitions. [2020-11-29 18:44:51,980 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 618 transitions. [2020-11-29 18:44:51,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:44:51,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:44:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:52,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 192 states and 633 transitions. [2020-11-29 18:44:52,581 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 633 transitions. [2020-11-29 18:44:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 18:44:52,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:53,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:53,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 196 states and 684 transitions. [2020-11-29 18:44:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 684 transitions. [2020-11-29 18:44:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 18:44:53,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:53,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:54,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 196 states and 683 transitions. [2020-11-29 18:44:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 683 transitions. [2020-11-29 18:44:54,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 18:44:54,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 201 states and 736 transitions. [2020-11-29 18:44:55,782 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 736 transitions. [2020-11-29 18:44:55,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:44:55,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:55,811 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 202 states and 740 transitions. [2020-11-29 18:44:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 740 transitions. [2020-11-29 18:44:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:44:55,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:55,871 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:56,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:56,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 202 states and 739 transitions. [2020-11-29 18:44:56,308 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 739 transitions. [2020-11-29 18:44:56,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 18:44:56,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:57,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 206 states and 780 transitions. [2020-11-29 18:44:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 780 transitions. [2020-11-29 18:44:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:44:57,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:57,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 207 states and 783 transitions. [2020-11-29 18:44:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 783 transitions. [2020-11-29 18:44:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:44:57,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:57,588 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:44:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 211 states and 825 transitions. [2020-11-29 18:44:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 825 transitions. [2020-11-29 18:44:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:44:58,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:58,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:44:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:44:59,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 216 states and 866 transitions. [2020-11-29 18:44:59,575 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 866 transitions. [2020-11-29 18:44:59,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 18:44:59,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:44:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:44:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 216 states and 863 transitions. [2020-11-29 18:45:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 863 transitions. [2020-11-29 18:45:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 18:45:00,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 217 states and 866 transitions. [2020-11-29 18:45:00,376 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 866 transitions. [2020-11-29 18:45:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 18:45:00,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 219 states and 871 transitions. [2020-11-29 18:45:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 871 transitions. [2020-11-29 18:45:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 18:45:00,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 220 states and 873 transitions. [2020-11-29 18:45:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 873 transitions. [2020-11-29 18:45:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 18:45:01,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:01,094 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:45:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 221 states and 877 transitions. [2020-11-29 18:45:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 877 transitions. [2020-11-29 18:45:01,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-11-29 18:45:01,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 221 states and 874 transitions. [2020-11-29 18:45:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 874 transitions. [2020-11-29 18:45:01,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:01,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:45:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 222 states and 877 transitions. [2020-11-29 18:45:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 877 transitions. [2020-11-29 18:45:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:01,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 224 states and 882 transitions. [2020-11-29 18:45:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 882 transitions. [2020-11-29 18:45:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:02,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:02,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 225 states and 883 transitions. [2020-11-29 18:45:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 883 transitions. [2020-11-29 18:45:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:02,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 226 states and 885 transitions. [2020-11-29 18:45:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 885 transitions. [2020-11-29 18:45:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:02,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 227 states and 887 transitions. [2020-11-29 18:45:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 887 transitions. [2020-11-29 18:45:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:02,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 228 states and 889 transitions. [2020-11-29 18:45:02,741 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 889 transitions. [2020-11-29 18:45:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:02,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 233 states and 934 transitions. [2020-11-29 18:45:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 934 transitions. [2020-11-29 18:45:03,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-29 18:45:03,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:03,574 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:45:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 237 states and 943 transitions. [2020-11-29 18:45:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 943 transitions. [2020-11-29 18:45:03,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:45:03,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 18:45:03,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 238 states and 945 transitions. [2020-11-29 18:45:03,973 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 945 transitions. [2020-11-29 18:45:03,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:45:03,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 239 states and 946 transitions. [2020-11-29 18:45:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 946 transitions. [2020-11-29 18:45:04,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:45:04,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:45:05,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:05,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 249 states and 1008 transitions. [2020-11-29 18:45:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 1008 transitions. [2020-11-29 18:45:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 18:45:05,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 255 states and 1053 transitions. [2020-11-29 18:45:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 1053 transitions. [2020-11-29 18:45:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:45:06,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:06,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 256 states and 1055 transitions. [2020-11-29 18:45:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1055 transitions. [2020-11-29 18:45:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:45:06,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:07,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 258 states and 1059 transitions. [2020-11-29 18:45:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1059 transitions. [2020-11-29 18:45:07,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 18:45:07,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:07,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:07,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 259 states and 1062 transitions. [2020-11-29 18:45:07,764 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1062 transitions. [2020-11-29 18:45:07,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:45:07,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:07,788 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:07,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 259 states and 1059 transitions. [2020-11-29 18:45:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1059 transitions. [2020-11-29 18:45:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:45:07,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 260 states and 1061 transitions. [2020-11-29 18:45:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1061 transitions. [2020-11-29 18:45:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:45:08,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:08,113 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:08,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:08,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 261 states and 1063 transitions. [2020-11-29 18:45:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 1063 transitions. [2020-11-29 18:45:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 18:45:08,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:45:08,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:08,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 266 states and 1076 transitions. [2020-11-29 18:45:08,845 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 1076 transitions. [2020-11-29 18:45:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 18:45:08,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:08,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:08,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 267 states and 1077 transitions. [2020-11-29 18:45:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1077 transitions. [2020-11-29 18:45:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 18:45:08,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 270 states and 1098 transitions. [2020-11-29 18:45:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 1098 transitions. [2020-11-29 18:45:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 18:45:10,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:45:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 274 states and 1111 transitions. [2020-11-29 18:45:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 1111 transitions. [2020-11-29 18:45:10,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 18:45:10,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 275 states and 1113 transitions. [2020-11-29 18:45:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1113 transitions. [2020-11-29 18:45:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-29 18:45:11,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:11,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:11,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 276 states and 1117 transitions. [2020-11-29 18:45:11,771 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 1117 transitions. [2020-11-29 18:45:11,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-29 18:45:11,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:11,814 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:11,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:11,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 277 states and 1121 transitions. [2020-11-29 18:45:11,853 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1121 transitions. [2020-11-29 18:45:11,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 18:45:11,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:11,881 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 277 states and 1116 transitions. [2020-11-29 18:45:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1116 transitions. [2020-11-29 18:45:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 18:45:12,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 18:45:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 281 states and 1156 transitions. [2020-11-29 18:45:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1156 transitions. [2020-11-29 18:45:13,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 18:45:13,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 18:45:13,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:13,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 282 states and 1157 transitions. [2020-11-29 18:45:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1157 transitions. [2020-11-29 18:45:13,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 18:45:13,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-29 18:45:14,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 285 states and 1202 transitions. [2020-11-29 18:45:14,003 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1202 transitions. [2020-11-29 18:45:14,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 18:45:14,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 287 states and 1207 transitions. [2020-11-29 18:45:14,971 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1207 transitions. [2020-11-29 18:45:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 18:45:14,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:14,999 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 288 states and 1209 transitions. [2020-11-29 18:45:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 1209 transitions. [2020-11-29 18:45:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 18:45:15,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:15,090 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 18:45:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 289 states and 1210 transitions. [2020-11-29 18:45:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1210 transitions. [2020-11-29 18:45:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 18:45:15,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:16,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 290 states and 1214 transitions. [2020-11-29 18:45:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1214 transitions. [2020-11-29 18:45:16,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-29 18:45:16,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:16,315 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 18:45:16,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 291 states and 1215 transitions. [2020-11-29 18:45:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 1215 transitions. [2020-11-29 18:45:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:45:16,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 18:45:16,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:16,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 292 states and 1217 transitions. [2020-11-29 18:45:16,794 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 1217 transitions. [2020-11-29 18:45:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:45:16,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 18:45:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:16,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 293 states and 1218 transitions. [2020-11-29 18:45:16,860 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1218 transitions. [2020-11-29 18:45:16,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 18:45:16,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:16,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:16,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 293 states and 1217 transitions. [2020-11-29 18:45:16,979 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 1217 transitions. [2020-11-29 18:45:16,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 18:45:16,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:17,119 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:17,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 294 states and 1218 transitions. [2020-11-29 18:45:17,462 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1218 transitions. [2020-11-29 18:45:17,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 18:45:17,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 294 states and 1217 transitions. [2020-11-29 18:45:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1217 transitions. [2020-11-29 18:45:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:45:17,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 18:45:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 300 states and 1269 transitions. [2020-11-29 18:45:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1269 transitions. [2020-11-29 18:45:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:45:19,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 300 states and 1268 transitions. [2020-11-29 18:45:19,265 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1268 transitions. [2020-11-29 18:45:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 18:45:19,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 18:45:19,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 301 states and 1269 transitions. [2020-11-29 18:45:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1269 transitions. [2020-11-29 18:45:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:45:19,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:19,758 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:21,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:21,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 323 states and 1383 transitions. [2020-11-29 18:45:21,978 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1383 transitions. [2020-11-29 18:45:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:45:21,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:22,002 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:22,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:22,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 325 states and 1389 transitions. [2020-11-29 18:45:22,665 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 1389 transitions. [2020-11-29 18:45:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:45:22,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:23,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 327 states and 1392 transitions. [2020-11-29 18:45:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 1392 transitions. [2020-11-29 18:45:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:45:23,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 328 states and 1395 transitions. [2020-11-29 18:45:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1395 transitions. [2020-11-29 18:45:23,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 18:45:23,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:23,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 329 states and 1397 transitions. [2020-11-29 18:45:23,363 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1397 transitions. [2020-11-29 18:45:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 18:45:23,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:23,469 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:45:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 334 states and 1410 transitions. [2020-11-29 18:45:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1410 transitions. [2020-11-29 18:45:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 18:45:23,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 335 states and 1411 transitions. [2020-11-29 18:45:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 1411 transitions. [2020-11-29 18:45:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-29 18:45:24,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 336 states and 1412 transitions. [2020-11-29 18:45:24,182 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1412 transitions. [2020-11-29 18:45:24,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-29 18:45:24,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 18:45:24,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:24,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 340 states and 1421 transitions. [2020-11-29 18:45:24,363 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1421 transitions. [2020-11-29 18:45:24,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 18:45:24,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 348 states and 1460 transitions. [2020-11-29 18:45:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 1460 transitions. [2020-11-29 18:45:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-11-29 18:45:25,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:25,606 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-29 18:45:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 355 states and 1508 transitions. [2020-11-29 18:45:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 1508 transitions. [2020-11-29 18:45:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 18:45:27,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:45:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 362 states and 1532 transitions. [2020-11-29 18:45:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 1532 transitions. [2020-11-29 18:45:28,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 18:45:28,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:28,785 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 363 states and 1536 transitions. [2020-11-29 18:45:29,707 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1536 transitions. [2020-11-29 18:45:29,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 18:45:29,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:29,746 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:29,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1540 states to 364 states and 1540 transitions. [2020-11-29 18:45:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1540 transitions. [2020-11-29 18:45:29,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-29 18:45:29,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 365 states and 1547 transitions. [2020-11-29 18:45:29,872 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1547 transitions. [2020-11-29 18:45:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 18:45:29,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:29,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:29,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 366 states and 1551 transitions. [2020-11-29 18:45:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 1551 transitions. [2020-11-29 18:45:29,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-29 18:45:29,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-29 18:45:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:30,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 367 states and 1552 transitions. [2020-11-29 18:45:30,124 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1552 transitions. [2020-11-29 18:45:30,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:45:30,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:30,154 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:30,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:30,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 368 states and 1557 transitions. [2020-11-29 18:45:30,733 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1557 transitions. [2020-11-29 18:45:30,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:45:30,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:30,764 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 369 states and 1559 transitions. [2020-11-29 18:45:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1559 transitions. [2020-11-29 18:45:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:45:31,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:31,222 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-29 18:45:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 372 states and 1595 transitions. [2020-11-29 18:45:31,638 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1595 transitions. [2020-11-29 18:45:31,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:45:31,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-29 18:45:33,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:33,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 378 states and 1635 transitions. [2020-11-29 18:45:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1635 transitions. [2020-11-29 18:45:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:45:33,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:33,570 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-29 18:45:33,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 379 states and 1635 transitions. [2020-11-29 18:45:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1635 transitions. [2020-11-29 18:45:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 18:45:33,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 18:45:34,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:34,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 380 states and 1636 transitions. [2020-11-29 18:45:34,196 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1636 transitions. [2020-11-29 18:45:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:45:34,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:34,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 381 states and 1637 transitions. [2020-11-29 18:45:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1637 transitions. [2020-11-29 18:45:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:45:34,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-29 18:45:34,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 382 states and 1638 transitions. [2020-11-29 18:45:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1638 transitions. [2020-11-29 18:45:34,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:45:34,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:34,608 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:34,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 383 states and 1640 transitions. [2020-11-29 18:45:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1640 transitions. [2020-11-29 18:45:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-29 18:45:34,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:34,794 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:45:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 384 states and 1641 transitions. [2020-11-29 18:45:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1641 transitions. [2020-11-29 18:45:34,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:45:34,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-29 18:45:35,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 389 states and 1681 transitions. [2020-11-29 18:45:35,621 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1681 transitions. [2020-11-29 18:45:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:45:35,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:35,780 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:36,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 390 states and 1684 transitions. [2020-11-29 18:45:36,127 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 1684 transitions. [2020-11-29 18:45:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-29 18:45:36,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:45:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 396 states and 1744 transitions. [2020-11-29 18:45:38,004 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 1744 transitions. [2020-11-29 18:45:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 18:45:38,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 18:45:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:38,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 397 states and 1745 transitions. [2020-11-29 18:45:38,216 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 1745 transitions. [2020-11-29 18:45:38,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 18:45:38,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:38,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:38,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 398 states and 1747 transitions. [2020-11-29 18:45:38,458 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1747 transitions. [2020-11-29 18:45:38,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 18:45:38,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 401 states and 1755 transitions. [2020-11-29 18:45:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1755 transitions. [2020-11-29 18:45:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 18:45:39,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 403 states and 1758 transitions. [2020-11-29 18:45:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1758 transitions. [2020-11-29 18:45:39,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-29 18:45:39,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:39,525 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:39,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 404 states and 1760 transitions. [2020-11-29 18:45:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1760 transitions. [2020-11-29 18:45:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:45:39,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 405 states and 1762 transitions. [2020-11-29 18:45:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1762 transitions. [2020-11-29 18:45:40,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:45:40,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 18:45:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 406 states and 1764 transitions. [2020-11-29 18:45:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1764 transitions. [2020-11-29 18:45:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-29 18:45:40,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:40,655 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-11-29 18:45:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 407 states and 1765 transitions. [2020-11-29 18:45:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1765 transitions. [2020-11-29 18:45:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:45:40,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 18:45:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 408 states and 1766 transitions. [2020-11-29 18:45:41,230 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 1766 transitions. [2020-11-29 18:45:41,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:45:41,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:41,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 412 states and 1777 transitions. [2020-11-29 18:45:41,455 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1777 transitions. [2020-11-29 18:45:41,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-29 18:45:41,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:41,487 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 18:45:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 413 states and 1779 transitions. [2020-11-29 18:45:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 1779 transitions. [2020-11-29 18:45:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:45:41,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 18:45:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 414 states and 1781 transitions. [2020-11-29 18:45:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1781 transitions. [2020-11-29 18:45:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 18:45:41,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:41,665 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-29 18:45:43,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 417 states and 1786 transitions. [2020-11-29 18:45:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 1786 transitions. [2020-11-29 18:45:43,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:45:43,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:43,816 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 18:45:43,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:43,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 418 states and 1788 transitions. [2020-11-29 18:45:43,840 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 1788 transitions. [2020-11-29 18:45:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:45:43,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:46,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 425 states and 1820 transitions. [2020-11-29 18:45:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 1820 transitions. [2020-11-29 18:45:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-29 18:45:46,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-29 18:45:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:47,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 428 states and 1825 transitions. [2020-11-29 18:45:47,487 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1825 transitions. [2020-11-29 18:45:47,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:45:47,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 18:45:47,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:47,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 428 states and 1824 transitions. [2020-11-29 18:45:47,559 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1824 transitions. [2020-11-29 18:45:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:45:47,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:45:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 429 states and 1832 transitions. [2020-11-29 18:45:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1832 transitions. [2020-11-29 18:45:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:45:49,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:49,938 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:45:50,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:50,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1840 states to 430 states and 1840 transitions. [2020-11-29 18:45:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1840 transitions. [2020-11-29 18:45:50,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:45:50,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:45:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 430 states and 1834 transitions. [2020-11-29 18:45:51,812 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1834 transitions. [2020-11-29 18:45:51,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-29 18:45:51,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 18:45:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 431 states and 1836 transitions. [2020-11-29 18:45:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 1836 transitions. [2020-11-29 18:45:51,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 18:45:51,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:45:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:52,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 432 states and 1845 transitions. [2020-11-29 18:45:52,984 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1845 transitions. [2020-11-29 18:45:52,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 18:45:52,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:45:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 433 states and 1847 transitions. [2020-11-29 18:45:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 1847 transitions. [2020-11-29 18:45:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 18:45:54,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:45:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 434 states and 1849 transitions. [2020-11-29 18:45:55,920 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1849 transitions. [2020-11-29 18:45:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 18:45:55,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 18:45:55,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 435 states and 1850 transitions. [2020-11-29 18:45:55,973 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 1850 transitions. [2020-11-29 18:45:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 18:45:55,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:56,788 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:45:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:56,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1858 states to 436 states and 1858 transitions. [2020-11-29 18:45:56,874 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1858 transitions. [2020-11-29 18:45:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 18:45:56,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:45:57,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:57,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 437 states and 1866 transitions. [2020-11-29 18:45:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 1866 transitions. [2020-11-29 18:45:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 18:45:57,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:45:57,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 438 states and 1870 transitions. [2020-11-29 18:45:57,891 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1870 transitions. [2020-11-29 18:45:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-29 18:45:57,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:45:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:45:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 438 states and 1869 transitions. [2020-11-29 18:45:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1869 transitions. [2020-11-29 18:45:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:45:57,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:45:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:45:58,763 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:00,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 440 states and 1879 transitions. [2020-11-29 18:46:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 1879 transitions. [2020-11-29 18:46:00,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:46:00,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:01,194 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:02,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 441 states and 1880 transitions. [2020-11-29 18:46:02,179 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1880 transitions. [2020-11-29 18:46:02,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:46:02,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:03,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 442 states and 1884 transitions. [2020-11-29 18:46:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1884 transitions. [2020-11-29 18:46:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:46:03,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:05,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1888 states to 443 states and 1888 transitions. [2020-11-29 18:46:05,416 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1888 transitions. [2020-11-29 18:46:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:46:05,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1890 states to 444 states and 1890 transitions. [2020-11-29 18:46:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 1890 transitions. [2020-11-29 18:46:05,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:46:05,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:05,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 445 states and 1892 transitions. [2020-11-29 18:46:05,576 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 1892 transitions. [2020-11-29 18:46:05,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-29 18:46:05,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-29 18:46:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 451 states and 1936 transitions. [2020-11-29 18:46:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1936 transitions. [2020-11-29 18:46:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:46:09,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 452 states and 1938 transitions. [2020-11-29 18:46:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1938 transitions. [2020-11-29 18:46:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:46:10,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 451 states and 1930 transitions. [2020-11-29 18:46:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1930 transitions. [2020-11-29 18:46:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:46:10,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 452 states and 1933 transitions. [2020-11-29 18:46:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 1933 transitions. [2020-11-29 18:46:11,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:46:11,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 53 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 18:46:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 453 states and 1936 transitions. [2020-11-29 18:46:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 1936 transitions. [2020-11-29 18:46:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:46:12,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:12,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 454 states and 1938 transitions. [2020-11-29 18:46:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 1938 transitions. [2020-11-29 18:46:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-29 18:46:13,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:13,188 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:13,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 455 states and 1940 transitions. [2020-11-29 18:46:13,752 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1940 transitions. [2020-11-29 18:46:13,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 18:46:13,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:13,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 456 states and 1941 transitions. [2020-11-29 18:46:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 1941 transitions. [2020-11-29 18:46:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-11-29 18:46:13,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-29 18:46:13,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 457 states and 1942 transitions. [2020-11-29 18:46:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 1942 transitions. [2020-11-29 18:46:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-29 18:46:13,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 459 states and 1946 transitions. [2020-11-29 18:46:16,020 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 1946 transitions. [2020-11-29 18:46:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-11-29 18:46:16,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:16,808 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 461 states and 1950 transitions. [2020-11-29 18:46:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1950 transitions. [2020-11-29 18:46:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-29 18:46:17,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:17,658 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:17,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 463 states and 1953 transitions. [2020-11-29 18:46:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1953 transitions. [2020-11-29 18:46:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-29 18:46:17,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 18:46:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:46:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 18:46:18,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 18:46:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 121 states and 182 transitions. [2020-11-29 18:46:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 182 transitions. [2020-11-29 18:46:18,874 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 18:46:18,874 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 166 iterations. [2020-11-29 18:46:18,894 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 18:46:19,666 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-11-29 18:46:20,066 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-29 18:46:20,563 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-11-29 18:46:20,711 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-11-29 18:46:21,018 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-11-29 18:46:21,298 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-11-29 18:46:21,620 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-11-29 18:46:22,030 INFO L569 CodeCheckObserver]: Invariant with dag size 37 [2020-11-29 18:46:22,044 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 18:46:22,045 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 18:46:22,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 06:46:22 ImpRootNode [2020-11-29 18:46:22,045 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 18:46:22,046 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:46:22,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:46:22,046 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:46:22,047 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:44:43" (3/4) ... [2020-11-29 18:46:22,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 18:46:22,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-29 18:46:22,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 18:46:22,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:46:22,083 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 18:46:22,140 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1df3681c-0260-4e03-8325-348ed53b5ee3/bin/ukojak/witness.graphml [2020-11-29 18:46:22,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:46:22,141 INFO L168 Benchmark]: Toolchain (without parser) took 100435.82 ms. Allocated memory was 109.1 MB in the beginning and 906.0 MB in the end (delta: 796.9 MB). Free memory was 72.3 MB in the beginning and 767.6 MB in the end (delta: -695.3 MB). Peak memory consumption was 101.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:22,144 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 81.8 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:46:22,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.21 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 76.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:22,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.72 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 71.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:22,146 INFO L168 Benchmark]: Boogie Preprocessor took 58.10 ms. Allocated memory is still 109.1 MB. Free memory was 71.2 MB in the beginning and 68.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:22,147 INFO L168 Benchmark]: RCFGBuilder took 1424.38 ms. Allocated memory was 109.1 MB in the beginning and 142.6 MB in the end (delta: 33.6 MB). Free memory was 68.2 MB in the beginning and 94.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:22,147 INFO L168 Benchmark]: CodeCheck took 98182.52 ms. Allocated memory was 142.6 MB in the beginning and 906.0 MB in the end (delta: 763.4 MB). Free memory was 94.2 MB in the beginning and 770.7 MB in the end (delta: -676.6 MB). Peak memory consumption was 536.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:22,148 INFO L168 Benchmark]: Witness Printer took 94.29 ms. Allocated memory is still 906.0 MB. Free memory was 770.7 MB in the beginning and 768.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:46:22,153 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, 107 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 94.9s, OverallIterations: 166, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 272629776 SDtfs, -318510680 SDslu, 221635892 SDs, 0 SdLazy, 537001984 SolverSat, 32768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 163.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145013 GetRequests, 141873 SyntacticMatches, 2640 SemanticMatches, 500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216548 ImplicationChecksByTransitivity, 80.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 7175 NumberOfCodeBlocks, 7175 NumberOfCodeBlocksAsserted, 165 NumberOfCheckSat, 7010 ConstructedInterpolants, 0 QuantifiedInterpolants, 2462857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 165 InterpolantComputations, 101 PerfectInterpolantSequences, 4372/6163 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: 4]: 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: 26]: Loop Invariant Derived loop invariant: (((((((q == 1 && this_buffer_empty <= 4294967296 * (this_buffer_empty / 4294967296) + 1) && 1 <= this_buffer_empty) && 2 * ((this_expect + -1) / 2) + 1 < this_expect) && this_buffer_empty / 4294967296 <= 0) || ((this_expect <= 2 * ((this_expect + -1) / 2) + 1 && q == 4) && this_buffer_empty == 1)) || q == 0) || (((this_expect <= 2 * ((this_expect + -1) / 2) + 1 && q == 3) && this_buffer_empty <= 0) && 0 < this_buffer_empty / 4294967296 + 1)) || (((q == 5 && this_buffer_empty <= 0) && 0 < this_buffer_empty / 4294967296 + 1) && 2 * ((this_expect + -1) / 2) + 1 < this_expect) - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: q == 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 81.8 MB in the end (delta: 27.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 561.21 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 76.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.72 ms. Allocated memory is still 109.1 MB. Free memory was 76.0 MB in the beginning and 71.2 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.10 ms. Allocated memory is still 109.1 MB. Free memory was 71.2 MB in the beginning and 68.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1424.38 ms. Allocated memory was 109.1 MB in the beginning and 142.6 MB in the end (delta: 33.6 MB). Free memory was 68.2 MB in the beginning and 94.2 MB in the end (delta: -26.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 16.1 GB. * CodeCheck took 98182.52 ms. Allocated memory was 142.6 MB in the beginning and 906.0 MB in the end (delta: 763.4 MB). Free memory was 94.2 MB in the beginning and 770.7 MB in the end (delta: -676.6 MB). Peak memory consumption was 536.6 MB. Max. memory is 16.1 GB. * Witness Printer took 94.29 ms. Allocated memory is still 906.0 MB. Free memory was 770.7 MB in the beginning and 768.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...