./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/psyco/psyco_abp_1-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/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 0.2.0-69874e2 [2020-12-01 18:17:48,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:17:48,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:17:48,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:17:48,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:17:48,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:17:48,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:17:48,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:17:48,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:17:48,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:17:48,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:17:48,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:17:48,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:17:48,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:17:48,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:17:48,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:17:48,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:17:48,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:17:48,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:17:48,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:17:48,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:17:49,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:17:49,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:17:49,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:17:49,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:17:49,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:17:49,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:17:49,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:17:49,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:17:49,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:17:49,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:17:49,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:17:49,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:17:49,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:17:49,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:17:49,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:17:49,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:17:49,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:17:49,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:17:49,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:17:49,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:17:49,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:17:49,081 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:17:49,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:17:49,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:17:49,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:17:49,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:17:49,085 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:17:49,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:17:49,086 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:17:49,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:17:49,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:17:49,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:17:49,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:17:49,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:17:49,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:17:49,089 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:17:49,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:17:49,090 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:17:49,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:17:49,090 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:17:49,091 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:17:49,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:17:49,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:17:49,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:17:49,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:17:49,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:17:49,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:17:49,093 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:17:49,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:17:49,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:17:49,096 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_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0db572bf30caf92f48b0dba5a9cc25cec23b8ac8 [2020-12-01 18:17:49,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:17:49,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:17:49,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:17:49,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:17:49,498 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:17:49,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/../../sv-benchmarks/c/psyco/psyco_abp_1-3.c [2020-12-01 18:17:49,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/data/605ebe511/8b666905b7cc4539868fb16af31b2908/FLAG5c3e5beb9 [2020-12-01 18:17:50,143 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:17:50,143 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/sv-benchmarks/c/psyco/psyco_abp_1-3.c [2020-12-01 18:17:50,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/data/605ebe511/8b666905b7cc4539868fb16af31b2908/FLAG5c3e5beb9 [2020-12-01 18:17:50,462 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/data/605ebe511/8b666905b7cc4539868fb16af31b2908 [2020-12-01 18:17:50,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:17:50,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:17:50,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:17:50,469 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:17:50,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:17:50,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:17:50" (1/1) ... [2020-12-01 18:17:50,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d344e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:50, skipping insertion in model container [2020-12-01 18:17:50,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:17:50" (1/1) ... [2020-12-01 18:17:50,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:17:50,532 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:17:50,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:17:50,939 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:17:51,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:17:51,039 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:17:51,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51 WrapperNode [2020-12-01 18:17:51,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:17:51,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:17:51,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:17:51,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:17:51,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:17:51,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:17:51,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:17:51,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:17:51,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... [2020-12-01 18:17:51,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:17:51,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:17:51,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:17:51,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:17:51,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:17:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:17:51,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:17:51,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:17:51,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:17:51,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:17:52,612 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:17:52,613 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-01 18:17:52,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:17:52 BoogieIcfgContainer [2020-12-01 18:17:52,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:17:52,637 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:17:52,646 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:17:52,663 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:17:52,664 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:17:52" (1/1) ... [2020-12-01 18:17:52,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:17:52,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 107 states and 207 transitions. [2020-12-01 18:17:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 207 transitions. [2020-12-01 18:17:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:17:52,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:53,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 107 states and 197 transitions. [2020-12-01 18:17:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 197 transitions. [2020-12-01 18:17:53,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:17:53,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:53,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 110 states and 236 transitions. [2020-12-01 18:17:53,236 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 236 transitions. [2020-12-01 18:17:53,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:17:53,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:53,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 110 states and 235 transitions. [2020-12-01 18:17:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 235 transitions. [2020-12-01 18:17:53,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:17:53,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 116 states and 284 transitions. [2020-12-01 18:17:53,729 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 284 transitions. [2020-12-01 18:17:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:17:53,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:53,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 119 states and 322 transitions. [2020-12-01 18:17:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 322 transitions. [2020-12-01 18:17:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:17:53,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 122 states and 329 transitions. [2020-12-01 18:17:54,096 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 329 transitions. [2020-12-01 18:17:54,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:17:54,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 126 states and 337 transitions. [2020-12-01 18:17:54,226 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 337 transitions. [2020-12-01 18:17:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:17:54,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:17:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 132 states and 353 transitions. [2020-12-01 18:17:54,783 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 353 transitions. [2020-12-01 18:17:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:17:54,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:55,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 139 states and 370 transitions. [2020-12-01 18:17:55,072 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 370 transitions. [2020-12-01 18:17:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:17:55,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:17:55,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:55,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 140 states and 373 transitions. [2020-12-01 18:17:55,239 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 373 transitions. [2020-12-01 18:17:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:17:55,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:55,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:17:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 140 states and 371 transitions. [2020-12-01 18:17:55,368 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 371 transitions. [2020-12-01 18:17:55,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:17:55,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:55,428 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 143 states and 415 transitions. [2020-12-01 18:17:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 415 transitions. [2020-12-01 18:17:55,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:17:55,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:17:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 144 states and 418 transitions. [2020-12-01 18:17:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 418 transitions. [2020-12-01 18:17:55,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:17:55,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:17:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 145 states and 420 transitions. [2020-12-01 18:17:55,849 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 420 transitions. [2020-12-01 18:17:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:17:55,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:17:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 146 states and 422 transitions. [2020-12-01 18:17:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 422 transitions. [2020-12-01 18:17:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:17:55,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:17:56,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:56,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 147 states and 425 transitions. [2020-12-01 18:17:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 425 transitions. [2020-12-01 18:17:56,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:17:56,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:17:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 148 states and 427 transitions. [2020-12-01 18:17:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 427 transitions. [2020-12-01 18:17:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:17:56,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:17:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 156 states and 482 transitions. [2020-12-01 18:17:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 482 transitions. [2020-12-01 18:17:57,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:17:57,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:17:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 158 states and 486 transitions. [2020-12-01 18:17:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 486 transitions. [2020-12-01 18:17:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:17:57,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:17:58,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 159 states and 489 transitions. [2020-12-01 18:17:58,079 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 489 transitions. [2020-12-01 18:17:58,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:17:58,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:17:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:17:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 160 states and 491 transitions. [2020-12-01 18:17:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 491 transitions. [2020-12-01 18:17:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:17:58,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:17:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:17:58,449 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:00,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:00,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 169 states and 551 transitions. [2020-12-01 18:18:00,061 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 551 transitions. [2020-12-01 18:18:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:18:00,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 18:18:01,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 174 states and 593 transitions. [2020-12-01 18:18:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 593 transitions. [2020-12-01 18:18:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:18:01,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,142 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:18:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 174 states and 591 transitions. [2020-12-01 18:18:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 591 transitions. [2020-12-01 18:18:01,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:18:01,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:18:01,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 175 states and 593 transitions. [2020-12-01 18:18:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 593 transitions. [2020-12-01 18:18:01,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:18:01,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:18:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 176 states and 595 transitions. [2020-12-01 18:18:01,252 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 595 transitions. [2020-12-01 18:18:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:18:01,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 18:18:01,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 177 states and 596 transitions. [2020-12-01 18:18:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 596 transitions. [2020-12-01 18:18:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:18:01,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:01,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 181 states and 606 transitions. [2020-12-01 18:18:01,523 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 606 transitions. [2020-12-01 18:18:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:18:01,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 18:18:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 187 states and 627 transitions. [2020-12-01 18:18:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 627 transitions. [2020-12-01 18:18:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:18:02,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:03,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:05,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:05,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 199 states and 659 transitions. [2020-12-01 18:18:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 659 transitions. [2020-12-01 18:18:05,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:18:05,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 203 states and 710 transitions. [2020-12-01 18:18:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 710 transitions. [2020-12-01 18:18:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:18:07,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:08,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 205 states and 716 transitions. [2020-12-01 18:18:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 716 transitions. [2020-12-01 18:18:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:18:08,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 210 states and 770 transitions. [2020-12-01 18:18:10,026 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 770 transitions. [2020-12-01 18:18:10,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:18:10,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:10,053 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 213 states and 809 transitions. [2020-12-01 18:18:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 809 transitions. [2020-12-01 18:18:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:18:10,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 215 states and 816 transitions. [2020-12-01 18:18:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 816 transitions. [2020-12-01 18:18:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:18:11,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 217 states and 822 transitions. [2020-12-01 18:18:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 822 transitions. [2020-12-01 18:18:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:18:12,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 227 states and 877 transitions. [2020-12-01 18:18:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 877 transitions. [2020-12-01 18:18:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:18:15,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:15,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:15,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 229 states and 882 transitions. [2020-12-01 18:18:15,818 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 882 transitions. [2020-12-01 18:18:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:18:15,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 231 states and 889 transitions. [2020-12-01 18:18:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 889 transitions. [2020-12-01 18:18:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:18:16,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 233 states and 894 transitions. [2020-12-01 18:18:17,569 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 894 transitions. [2020-12-01 18:18:17,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:18:17,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:17,594 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:18,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 234 states and 897 transitions. [2020-12-01 18:18:18,209 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 897 transitions. [2020-12-01 18:18:18,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:18:18,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:18,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:18,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 235 states and 898 transitions. [2020-12-01 18:18:18,595 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 898 transitions. [2020-12-01 18:18:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:18:18,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 237 states and 903 transitions. [2020-12-01 18:18:19,032 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 903 transitions. [2020-12-01 18:18:19,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:18:19,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:19,060 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 239 states and 908 transitions. [2020-12-01 18:18:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 908 transitions. [2020-12-01 18:18:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:18:19,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:20,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:20,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 240 states and 910 transitions. [2020-12-01 18:18:20,413 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 910 transitions. [2020-12-01 18:18:20,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:18:20,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:21,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 242 states and 916 transitions. [2020-12-01 18:18:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 916 transitions. [2020-12-01 18:18:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:18:21,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:21,439 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 247 states and 961 transitions. [2020-12-01 18:18:22,895 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 961 transitions. [2020-12-01 18:18:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:18:22,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:24,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 250 states and 1010 transitions. [2020-12-01 18:18:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 1010 transitions. [2020-12-01 18:18:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:18:24,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:24,200 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:24,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 251 states and 1012 transitions. [2020-12-01 18:18:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 1012 transitions. [2020-12-01 18:18:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:24,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 253 states and 1017 transitions. [2020-12-01 18:18:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 1017 transitions. [2020-12-01 18:18:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:24,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 255 states and 1022 transitions. [2020-12-01 18:18:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 1022 transitions. [2020-12-01 18:18:26,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:26,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:26,560 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:26,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:26,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 256 states and 1023 transitions. [2020-12-01 18:18:26,585 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1023 transitions. [2020-12-01 18:18:26,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:26,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:27,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 257 states and 1025 transitions. [2020-12-01 18:18:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 1025 transitions. [2020-12-01 18:18:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:27,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:27,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 258 states and 1029 transitions. [2020-12-01 18:18:27,301 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1029 transitions. [2020-12-01 18:18:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:27,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:27,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:27,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 259 states and 1030 transitions. [2020-12-01 18:18:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 1030 transitions. [2020-12-01 18:18:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:27,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:28,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 266 states and 1040 transitions. [2020-12-01 18:18:28,574 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 1040 transitions. [2020-12-01 18:18:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:18:28,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:28,607 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:31,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 271 states and 1083 transitions. [2020-12-01 18:18:31,281 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 1083 transitions. [2020-12-01 18:18:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:18:31,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:31,366 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:34,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 275 states and 1123 transitions. [2020-12-01 18:18:34,663 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 1123 transitions. [2020-12-01 18:18:34,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:18:34,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:35,002 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 23 [2020-12-01 18:18:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1130 states to 279 states and 1130 transitions. [2020-12-01 18:18:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1130 transitions. [2020-12-01 18:18:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:18:37,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:37,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 280 states and 1131 transitions. [2020-12-01 18:18:37,352 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1131 transitions. [2020-12-01 18:18:37,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:18:37,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 281 states and 1134 transitions. [2020-12-01 18:18:38,082 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 1134 transitions. [2020-12-01 18:18:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:18:38,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:41,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 291 states and 1198 transitions. [2020-12-01 18:18:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 1198 transitions. [2020-12-01 18:18:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:18:41,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:41,844 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 297 states and 1245 transitions. [2020-12-01 18:18:44,743 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1245 transitions. [2020-12-01 18:18:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:18:44,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:44,784 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 298 states and 1247 transitions. [2020-12-01 18:18:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 1247 transitions. [2020-12-01 18:18:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:18:44,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:46,953 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2020-12-01 18:18:47,973 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2020-12-01 18:18:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 305 states and 1274 transitions. [2020-12-01 18:18:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1274 transitions. [2020-12-01 18:18:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:18:51,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:51,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:51,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 306 states and 1276 transitions. [2020-12-01 18:18:51,261 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1276 transitions. [2020-12-01 18:18:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:18:51,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:51,315 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:51,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 307 states and 1279 transitions. [2020-12-01 18:18:51,894 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1279 transitions. [2020-12-01 18:18:51,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:18:51,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:52,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:52,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 307 states and 1276 transitions. [2020-12-01 18:18:52,090 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1276 transitions. [2020-12-01 18:18:52,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:18:52,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:18:52,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 308 states and 1278 transitions. [2020-12-01 18:18:52,301 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 1278 transitions. [2020-12-01 18:18:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:18:52,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:52,323 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:52,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 309 states and 1280 transitions. [2020-12-01 18:18:52,391 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1280 transitions. [2020-12-01 18:18:52,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:18:52,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:53,735 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 31 [2020-12-01 18:18:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:18:54,870 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-12-01 18:18:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 320 states and 1311 transitions. [2020-12-01 18:18:58,919 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1311 transitions. [2020-12-01 18:18:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:18:58,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:18:59,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:18:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 321 states and 1312 transitions. [2020-12-01 18:18:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 1312 transitions. [2020-12-01 18:18:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:18:59,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:18:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:18:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 331 states and 1348 transitions. [2020-12-01 18:19:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1348 transitions. [2020-12-01 18:19:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:19:04,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:19:04,786 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-12-01 18:19:06,187 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 56 [2020-12-01 18:19:07,622 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2020-12-01 18:19:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:09,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 344 states and 1391 transitions. [2020-12-01 18:19:09,948 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1391 transitions. [2020-12-01 18:19:09,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:19:09,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:12,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 345 states and 1396 transitions. [2020-12-01 18:19:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 1396 transitions. [2020-12-01 18:19:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:19:12,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:14,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 347 states and 1403 transitions. [2020-12-01 18:19:14,901 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1403 transitions. [2020-12-01 18:19:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 18:19:14,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:14,944 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:14,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 349 states and 1409 transitions. [2020-12-01 18:19:14,988 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1409 transitions. [2020-12-01 18:19:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:19:14,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:16,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:16,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 351 states and 1414 transitions. [2020-12-01 18:19:16,250 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 1414 transitions. [2020-12-01 18:19:16,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 18:19:16,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:19:16,656 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 28 [2020-12-01 18:19:17,186 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2020-12-01 18:19:18,168 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 18:19:18,790 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2020-12-01 18:19:20,302 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2020-12-01 18:19:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 358 states and 1423 transitions. [2020-12-01 18:19:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1423 transitions. [2020-12-01 18:19:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:19:22,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:22,176 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 360 states and 1428 transitions. [2020-12-01 18:19:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 1428 transitions. [2020-12-01 18:19:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:19:24,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:25,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:25,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 361 states and 1430 transitions. [2020-12-01 18:19:25,627 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 1430 transitions. [2020-12-01 18:19:25,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:19:25,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:19:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:27,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 363 states and 1434 transitions. [2020-12-01 18:19:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 1434 transitions. [2020-12-01 18:19:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:19:27,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:27,489 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:19:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 364 states and 1439 transitions. [2020-12-01 18:19:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1439 transitions. [2020-12-01 18:19:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 18:19:28,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:19:29,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 365 states and 1440 transitions. [2020-12-01 18:19:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1440 transitions. [2020-12-01 18:19:29,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:19:29,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:19:30,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 367 states and 1445 transitions. [2020-12-01 18:19:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1445 transitions. [2020-12-01 18:19:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:19:30,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:19:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 368 states and 1446 transitions. [2020-12-01 18:19:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 1446 transitions. [2020-12-01 18:19:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 18:19:30,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:19:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:30,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 369 states and 1448 transitions. [2020-12-01 18:19:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 1448 transitions. [2020-12-01 18:19:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:19:30,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:19:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 370 states and 1449 transitions. [2020-12-01 18:19:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 1449 transitions. [2020-12-01 18:19:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:19:31,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:19:31,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:31,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 371 states and 1451 transitions. [2020-12-01 18:19:31,554 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 1451 transitions. [2020-12-01 18:19:31,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 18:19:31,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:19:32,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:32,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 373 states and 1455 transitions. [2020-12-01 18:19:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 1455 transitions. [2020-12-01 18:19:32,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:19:32,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:19:37,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 379 states and 1516 transitions. [2020-12-01 18:19:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1516 transitions. [2020-12-01 18:19:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:19:37,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:19:37,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:37,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 380 states and 1518 transitions. [2020-12-01 18:19:37,430 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 1518 transitions. [2020-12-01 18:19:37,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:19:37,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:37,489 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:19:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1522 states to 382 states and 1522 transitions. [2020-12-01 18:19:39,468 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1522 transitions. [2020-12-01 18:19:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 18:19:39,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:19:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:40,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 383 states and 1524 transitions. [2020-12-01 18:19:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 1524 transitions. [2020-12-01 18:19:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:19:40,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:19:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:45,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 389 states and 1568 transitions. [2020-12-01 18:19:45,440 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 1568 transitions. [2020-12-01 18:19:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:19:45,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:19:50,689 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2020-12-01 18:19:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 410 states and 1650 transitions. [2020-12-01 18:19:53,562 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1650 transitions. [2020-12-01 18:19:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:19:53,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:53,589 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:19:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:55,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 414 states and 1653 transitions. [2020-12-01 18:19:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 1653 transitions. [2020-12-01 18:19:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:19:55,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:19:59,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:19:59,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 420 states and 1701 transitions. [2020-12-01 18:19:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 1701 transitions. [2020-12-01 18:19:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:19:59,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:19:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:19:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:20:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:00,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 422 states and 1704 transitions. [2020-12-01 18:20:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 1704 transitions. [2020-12-01 18:20:00,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:20:00,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:20:00,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:00,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 422 states and 1703 transitions. [2020-12-01 18:20:00,698 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 1703 transitions. [2020-12-01 18:20:00,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:20:00,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 18:20:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 423 states and 1704 transitions. [2020-12-01 18:20:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 1704 transitions. [2020-12-01 18:20:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:20:01,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:20:01,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:01,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 424 states and 1708 transitions. [2020-12-01 18:20:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 1708 transitions. [2020-12-01 18:20:01,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:20:01,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:01,097 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:20:01,349 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-12-01 18:20:03,016 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-12-01 18:20:04,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 429 states and 1749 transitions. [2020-12-01 18:20:04,509 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 1749 transitions. [2020-12-01 18:20:04,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 18:20:04,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:20:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:04,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 430 states and 1751 transitions. [2020-12-01 18:20:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 1751 transitions. [2020-12-01 18:20:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:20:04,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:20:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:13,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 441 states and 1783 transitions. [2020-12-01 18:20:13,262 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 1783 transitions. [2020-12-01 18:20:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:20:13,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 18:20:13,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 442 states and 1784 transitions. [2020-12-01 18:20:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 1784 transitions. [2020-12-01 18:20:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 18:20:13,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:20:13,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:13,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 443 states and 1785 transitions. [2020-12-01 18:20:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1785 transitions. [2020-12-01 18:20:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:20:13,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:20:16,154 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 43 [2020-12-01 18:20:18,753 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-01 18:20:24,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 451 states and 1817 transitions. [2020-12-01 18:20:24,029 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1817 transitions. [2020-12-01 18:20:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 18:20:24,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:20:24,715 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 18:20:26,041 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:20:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:27,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 455 states and 1821 transitions. [2020-12-01 18:20:27,698 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 1821 transitions. [2020-12-01 18:20:27,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:20:27,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:20:30,166 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 18:20:30,689 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 18:20:31,697 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 18:20:32,827 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 18:20:34,237 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 18:20:36,701 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 18:20:39,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:39,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 463 states and 1865 transitions. [2020-12-01 18:20:39,795 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 1865 transitions. [2020-12-01 18:20:39,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:20:39,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:20:45,751 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-12-01 18:20:46,278 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-01 18:20:47,444 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 18:20:48,535 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 18:20:49,147 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 18:20:49,779 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 18:20:50,660 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 18:20:51,691 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 18:20:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 470 states and 1924 transitions. [2020-12-01 18:20:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1924 transitions. [2020-12-01 18:20:51,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:20:51,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:51,810 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:20:52,320 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 18:20:52,752 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 18:20:53,707 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 18:20:54,731 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 18:20:55,309 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 18:20:55,684 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 18:20:56,522 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 18:20:57,467 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 18:20:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 471 states and 1925 transitions. [2020-12-01 18:20:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 1925 transitions. [2020-12-01 18:20:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:20:57,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:20:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:20:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 476 states and 1929 transitions. [2020-12-01 18:20:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1929 transitions. [2020-12-01 18:20:59,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:20:59,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:20:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:20:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:21:01,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:01,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 475 states and 1927 transitions. [2020-12-01 18:21:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1927 transitions. [2020-12-01 18:21:01,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 18:21:01,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 18:21:02,370 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2020-12-01 18:21:02,781 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 18:21:03,702 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 18:21:04,649 WARN L197 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 18:21:04,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 479 states and 1931 transitions. [2020-12-01 18:21:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 1931 transitions. [2020-12-01 18:21:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:21:04,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:09,955 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:21:10,599 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 50 [2020-12-01 18:21:11,548 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 18:21:13,191 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 18:21:13,671 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-12-01 18:21:14,866 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-01 18:21:16,546 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 18:21:18,017 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:21:19,556 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 18:21:22,058 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:21:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 488 states and 1969 transitions. [2020-12-01 18:21:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 1969 transitions. [2020-12-01 18:21:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:21:25,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:25,803 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:21:26,350 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2020-12-01 18:21:27,513 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 18:21:28,839 WARN L197 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-01 18:21:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1974 states to 489 states and 1974 transitions. [2020-12-01 18:21:30,931 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 1974 transitions. [2020-12-01 18:21:30,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 18:21:30,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:21:32,613 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-12-01 18:21:34,306 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-01 18:21:36,491 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-12-01 18:21:38,168 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-01 18:21:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:38,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 494 states and 1979 transitions. [2020-12-01 18:21:38,234 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 1979 transitions. [2020-12-01 18:21:38,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 18:21:38,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:41,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:41,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 495 states and 1984 transitions. [2020-12-01 18:21:41,601 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 1984 transitions. [2020-12-01 18:21:41,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 18:21:41,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:42,249 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:21:42,733 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:21:43,686 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 18:21:44,686 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 18:21:44,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:44,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 497 states and 1992 transitions. [2020-12-01 18:21:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 1992 transitions. [2020-12-01 18:21:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 18:21:44,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:44,734 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:47,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 499 states and 1998 transitions. [2020-12-01 18:21:47,688 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 1998 transitions. [2020-12-01 18:21:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 18:21:47,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:47,934 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 18:21:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 500 states and 2000 transitions. [2020-12-01 18:21:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 2000 transitions. [2020-12-01 18:21:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:21:47,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:48,583 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-01 18:21:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:52,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 502 states and 2006 transitions. [2020-12-01 18:21:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 2006 transitions. [2020-12-01 18:21:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:21:52,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:55,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 503 states and 2008 transitions. [2020-12-01 18:21:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 2008 transitions. [2020-12-01 18:21:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:21:55,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:55,125 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-12-01 18:21:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 506 states and 2050 transitions. [2020-12-01 18:21:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 2050 transitions. [2020-12-01 18:21:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 18:21:58,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:58,651 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 18:21:58,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:58,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 507 states and 2052 transitions. [2020-12-01 18:21:58,700 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 2052 transitions. [2020-12-01 18:21:58,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:21:58,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:58,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 508 states and 2054 transitions. [2020-12-01 18:21:58,992 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 2054 transitions. [2020-12-01 18:21:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:21:58,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-12-01 18:21:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:21:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 509 states and 2055 transitions. [2020-12-01 18:21:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 2055 transitions. [2020-12-01 18:21:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:21:59,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:21:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:21:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:22:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 510 states and 2059 transitions. [2020-12-01 18:22:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 2059 transitions. [2020-12-01 18:22:02,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 18:22:02,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:02,171 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 41 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:22:02,935 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 40 [2020-12-01 18:22:03,749 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 55 [2020-12-01 18:22:06,267 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 18:22:07,337 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 31 [2020-12-01 18:22:09,734 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2020-12-01 18:22:12,082 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 26 [2020-12-01 18:22:12,955 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2020-12-01 18:22:15,112 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 18:22:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 518 states and 2069 transitions. [2020-12-01 18:22:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 2069 transitions. [2020-12-01 18:22:15,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:22:15,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:22:16,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:16,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 519 states and 2073 transitions. [2020-12-01 18:22:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 2073 transitions. [2020-12-01 18:22:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:22:16,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:19,652 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 17 [2020-12-01 18:22:21,419 WARN L197 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2020-12-01 18:22:21,436 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:22:24,024 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-12-01 18:22:26,893 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2020-12-01 18:22:28,864 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2020-12-01 18:22:30,791 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2020-12-01 18:22:34,011 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 20 [2020-12-01 18:22:38,135 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-12-01 18:22:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 532 states and 2156 transitions. [2020-12-01 18:22:42,251 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 2156 transitions. [2020-12-01 18:22:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 18:22:42,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:22:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 533 states and 2158 transitions. [2020-12-01 18:22:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 2158 transitions. [2020-12-01 18:22:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:22:44,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:22:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 534 states and 2160 transitions. [2020-12-01 18:22:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 2160 transitions. [2020-12-01 18:22:44,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:22:44,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:22:47,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:47,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 535 states and 2163 transitions. [2020-12-01 18:22:47,163 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 2163 transitions. [2020-12-01 18:22:47,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:22:47,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:47,429 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:22:48,071 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 18:22:48,962 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2020-12-01 18:22:50,127 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 18:22:52,578 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-01 18:22:53,694 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-12-01 18:22:55,846 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 18:22:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 541 states and 2187 transitions. [2020-12-01 18:22:59,779 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 2187 transitions. [2020-12-01 18:22:59,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:22:59,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:00,071 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:23:00,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:00,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 543 states and 2190 transitions. [2020-12-01 18:23:00,143 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 2190 transitions. [2020-12-01 18:23:00,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 18:23:00,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:23:00,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 544 states and 2192 transitions. [2020-12-01 18:23:00,464 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 2192 transitions. [2020-12-01 18:23:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:23:00,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:23:01,473 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2020-12-01 18:23:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:02,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 545 states and 2194 transitions. [2020-12-01 18:23:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 2194 transitions. [2020-12-01 18:23:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:23:02,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:23:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 546 states and 2196 transitions. [2020-12-01 18:23:05,001 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2196 transitions. [2020-12-01 18:23:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:23:05,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:05,041 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 18:23:08,543 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 18:23:09,064 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 18:23:10,285 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 18:23:11,612 WARN L197 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 18:23:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 546 states and 2195 transitions. [2020-12-01 18:23:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 2195 transitions. [2020-12-01 18:23:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:23:11,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:11,720 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 18:23:13,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:13,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 547 states and 2197 transitions. [2020-12-01 18:23:13,529 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 2197 transitions. [2020-12-01 18:23:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 18:23:13,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 10 proven. 28 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-12-01 18:23:13,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:13,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 548 states and 2198 transitions. [2020-12-01 18:23:13,883 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 2198 transitions. [2020-12-01 18:23:13,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:23:13,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 10 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:23:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 549 states and 2199 transitions. [2020-12-01 18:23:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 2199 transitions. [2020-12-01 18:23:15,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:23:15,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 18:23:16,793 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-01 18:23:18,110 WARN L197 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2020-12-01 18:23:19,445 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-01 18:23:20,848 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 18:23:22,234 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 18:23:23,332 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2020-12-01 18:23:25,853 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-01 18:23:27,802 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-01 18:23:31,324 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-01 18:23:33,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 557 states and 2230 transitions. [2020-12-01 18:23:33,630 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 2230 transitions. [2020-12-01 18:23:33,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 18:23:33,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:33,666 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 18:23:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 558 states and 2232 transitions. [2020-12-01 18:23:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 2232 transitions. [2020-12-01 18:23:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:23:34,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:34,227 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 18:23:34,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:34,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 559 states and 2234 transitions. [2020-12-01 18:23:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 2234 transitions. [2020-12-01 18:23:34,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 18:23:34,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 18:23:35,508 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 18:23:36,155 WARN L197 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 18:23:37,652 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 18:23:39,147 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 18:23:40,510 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-12-01 18:23:41,675 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 18:23:44,297 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 18:23:46,480 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 18:23:47,406 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 18:23:48,212 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 18:23:50,164 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 18:23:52,071 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 18:23:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 562 states and 2240 transitions. [2020-12-01 18:23:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 2240 transitions. [2020-12-01 18:23:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:23:56,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:56,786 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 18:23:57,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:23:57,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 563 states and 2242 transitions. [2020-12-01 18:23:57,220 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 2242 transitions. [2020-12-01 18:23:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:23:57,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:23:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:23:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:23:59,114 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2020-12-01 18:24:03,163 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2020-12-01 18:24:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 570 states and 2274 transitions. [2020-12-01 18:24:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 2274 transitions. [2020-12-01 18:24:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:24:07,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 18:24:09,414 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 18:24:10,401 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:24:12,464 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 18:24:14,481 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 18:24:15,033 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-01 18:24:15,801 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-01 18:24:17,533 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-12-01 18:24:19,299 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-01 18:24:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 573 states and 2281 transitions. [2020-12-01 18:24:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 2281 transitions. [2020-12-01 18:24:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 18:24:19,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 12 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:24:26,313 WARN L197 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-12-01 18:24:27,715 WARN L197 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2020-12-01 18:24:29,034 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 18:24:30,981 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-12-01 18:24:32,498 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 26 [2020-12-01 18:24:33,913 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2020-12-01 18:24:37,683 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 18:24:38,585 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2020-12-01 18:24:39,470 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-12-01 18:24:42,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:42,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 577 states and 2287 transitions. [2020-12-01 18:24:42,901 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 2287 transitions. [2020-12-01 18:24:42,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:24:42,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 18:24:43,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:43,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 577 states and 2286 transitions. [2020-12-01 18:24:43,820 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 2286 transitions. [2020-12-01 18:24:43,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:24:43,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:48,297 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:24:49,081 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2020-12-01 18:24:49,996 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 15 [2020-12-01 18:24:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:24:52,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2294 states to 578 states and 2294 transitions. [2020-12-01 18:24:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 2294 transitions. [2020-12-01 18:24:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:24:52,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:24:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:24:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:24:58,759 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2020-12-01 18:24:59,772 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-12-01 18:25:03,011 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-01 18:25:03,871 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 18 [2020-12-01 18:25:05,132 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 18:25:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 580 states and 2304 transitions. [2020-12-01 18:25:08,941 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 2304 transitions. [2020-12-01 18:25:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:25:08,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:25:09,628 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-01 18:25:11,401 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-01 18:25:14,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 580 states and 2298 transitions. [2020-12-01 18:25:14,061 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 2298 transitions. [2020-12-01 18:25:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 18:25:14,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 18:25:14,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:14,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 581 states and 2300 transitions. [2020-12-01 18:25:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 2300 transitions. [2020-12-01 18:25:14,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:25:14,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:25:20,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 582 states and 2310 transitions. [2020-12-01 18:25:20,975 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 2310 transitions. [2020-12-01 18:25:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:25:20,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:25:28,904 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2020-12-01 18:25:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 583 states and 2311 transitions. [2020-12-01 18:25:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 2311 transitions. [2020-12-01 18:25:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:25:30,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:25:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 584 states and 2313 transitions. [2020-12-01 18:25:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 2313 transitions. [2020-12-01 18:25:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:25:37,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:25:42,270 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-01 18:25:45,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:45,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 585 states and 2315 transitions. [2020-12-01 18:25:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 2315 transitions. [2020-12-01 18:25:45,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 18:25:45,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 18:25:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 586 states and 2316 transitions. [2020-12-01 18:25:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 2316 transitions. [2020-12-01 18:25:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:25:45,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:25:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:25:51,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 587 states and 2324 transitions. [2020-12-01 18:25:51,704 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 2324 transitions. [2020-12-01 18:25:51,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:25:51,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:25:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:25:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:01,358 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-01 18:26:04,138 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-01 18:26:04,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:04,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 589 states and 2335 transitions. [2020-12-01 18:26:04,164 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 2335 transitions. [2020-12-01 18:26:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:26:04,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:04,203 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:26:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 590 states and 2339 transitions. [2020-12-01 18:26:04,242 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 2339 transitions. [2020-12-01 18:26:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:26:04,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:04,280 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:26:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:04,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 590 states and 2338 transitions. [2020-12-01 18:26:04,318 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 2338 transitions. [2020-12-01 18:26:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 18:26:04,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:26:06,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:06,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 590 states and 2337 transitions. [2020-12-01 18:26:06,933 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 2337 transitions. [2020-12-01 18:26:06,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:26:06,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:15,165 WARN L197 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-12-01 18:26:18,453 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-01 18:26:19,702 WARN L197 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2020-12-01 18:26:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 592 states and 2347 transitions. [2020-12-01 18:26:21,709 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 2347 transitions. [2020-12-01 18:26:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:26:21,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:29,650 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2020-12-01 18:26:30,253 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 18 [2020-12-01 18:26:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 593 states and 2348 transitions. [2020-12-01 18:26:33,053 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 2348 transitions. [2020-12-01 18:26:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:26:33,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:33,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:41,020 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2020-12-01 18:26:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 594 states and 2352 transitions. [2020-12-01 18:26:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 2352 transitions. [2020-12-01 18:26:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:26:44,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:54,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 595 states and 2356 transitions. [2020-12-01 18:26:54,227 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 2356 transitions. [2020-12-01 18:26:54,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:26:54,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:26:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 596 states and 2358 transitions. [2020-12-01 18:26:54,274 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 2358 transitions. [2020-12-01 18:26:54,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:26:54,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:54,302 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:26:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:26:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 597 states and 2360 transitions. [2020-12-01 18:26:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 2360 transitions. [2020-12-01 18:26:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 18:26:54,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:26:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:26:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 64 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:26:59,000 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2020-12-01 18:27:01,147 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 18 [2020-12-01 18:27:04,632 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-12-01 18:27:05,449 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 25 [2020-12-01 18:27:10,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:10,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 603 states and 2409 transitions. [2020-12-01 18:27:10,855 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 2409 transitions. [2020-12-01 18:27:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:27:10,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:27:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 604 states and 2411 transitions. [2020-12-01 18:27:13,854 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2411 transitions. [2020-12-01 18:27:13,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:27:13,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:27:16,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 603 states and 2403 transitions. [2020-12-01 18:27:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 2403 transitions. [2020-12-01 18:27:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:27:16,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:27:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 604 states and 2406 transitions. [2020-12-01 18:27:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 2406 transitions. [2020-12-01 18:27:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:27:22,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:29,990 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 56 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 18:27:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:30,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 605 states and 2409 transitions. [2020-12-01 18:27:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 2409 transitions. [2020-12-01 18:27:30,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:27:30,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:30,632 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:27:33,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:33,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 606 states and 2411 transitions. [2020-12-01 18:27:33,849 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 2411 transitions. [2020-12-01 18:27:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 18:27:33,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:27:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 607 states and 2413 transitions. [2020-12-01 18:27:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 2413 transitions. [2020-12-01 18:27:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 18:27:36,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:27:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:36,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2414 states to 608 states and 2414 transitions. [2020-12-01 18:27:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 2414 transitions. [2020-12-01 18:27:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 18:27:36,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 18:27:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 609 states and 2415 transitions. [2020-12-01 18:27:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 2415 transitions. [2020-12-01 18:27:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 18:27:37,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:27:41,112 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-12-01 18:27:43,802 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2020-12-01 18:27:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 611 states and 2419 transitions. [2020-12-01 18:27:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 2419 transitions. [2020-12-01 18:27:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 18:27:45,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:27:48,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:48,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 613 states and 2423 transitions. [2020-12-01 18:27:48,354 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 2423 transitions. [2020-12-01 18:27:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 18:27:48,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:48,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:51,023 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:27:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 615 states and 2426 transitions. [2020-12-01 18:27:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 2426 transitions. [2020-12-01 18:27:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 18:27:52,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:27:52,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:27:54,809 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 80 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 18:27:55,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:27:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 130 states and 193 transitions. [2020-12-01 18:27:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 193 transitions. [2020-12-01 18:27:55,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:27:55,082 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 187 iterations. [2020-12-01 18:27:55,101 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:27:55,362 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-01 18:27:55,790 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 18:27:55,965 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 15 [2020-12-01 18:27:56,226 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-01 18:27:56,957 WARN L197 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-01 18:27:59,005 WARN L197 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2020-12-01 18:27:59,289 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 18:28:00,330 WARN L197 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2020-12-01 18:28:00,653 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 18:28:01,714 WARN L197 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2020-12-01 18:28:01,912 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-01 18:28:02,275 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 18:28:02,497 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-01 18:28:02,832 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 18:28:03,039 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-01 18:28:04,514 WARN L197 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 79 DAG size of output: 59 [2020-12-01 18:28:04,785 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 27 [2020-12-01 18:28:04,984 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-12-01 18:28:05,422 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2020-12-01 18:28:05,613 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-01 18:28:05,944 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2020-12-01 18:28:05,947 INFO L569 CodeCheckObserver]: Invariant with dag size 43 [2020-12-01 18:28:05,962 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 18:28:05,963 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:28:05,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:28:05 ImpRootNode [2020-12-01 18:28:05,964 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:28:05,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:28:05,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:28:05,965 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:28:05,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:17:52" (3/4) ... [2020-12-01 18:28:05,968 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:28:06,001 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 18:28:06,006 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 18:28:06,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:28:06,007 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:28:06,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5406cf2b-e0f2-4db5-a212-a18b94aa53c1/bin/ukojak/witness.graphml [2020-12-01 18:28:06,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:28:06,040 INFO L168 Benchmark]: Toolchain (without parser) took 615574.62 ms. Allocated memory was 86.0 MB in the beginning and 824.2 MB in the end (delta: 738.2 MB). Free memory was 54.9 MB in the beginning and 456.6 MB in the end (delta: -401.7 MB). Peak memory consumption was 337.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:06,043 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:28:06,044 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.85 ms. Allocated memory is still 86.0 MB. Free memory was 54.7 MB in the beginning and 56.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:06,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.05 ms. Allocated memory is still 86.0 MB. Free memory was 56.0 MB in the beginning and 51.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:06,045 INFO L168 Benchmark]: Boogie Preprocessor took 104.37 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 48.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:06,045 INFO L168 Benchmark]: RCFGBuilder took 1387.98 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 80.5 MB in the end (delta: -32.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:06,046 INFO L168 Benchmark]: CodeCheck took 613326.80 ms. Allocated memory was 104.9 MB in the beginning and 824.2 MB in the end (delta: 719.3 MB). Free memory was 80.5 MB in the beginning and 459.8 MB in the end (delta: -379.3 MB). Peak memory consumption was 596.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:06,048 INFO L168 Benchmark]: Witness Printer took 75.35 ms. Allocated memory is still 824.2 MB. Free memory was 459.8 MB in the beginning and 456.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:28:06,057 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: 602.3s, OverallIterations: 187, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1082130448 SDtfs, 1347680680 SDslu, -1293535948 SDs, 0 SdLazy, -2144174080 SolverSat, 3178496 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 435.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 170923 GetRequests, 167017 SyntacticMatches, 2936 SemanticMatches, 970 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762238 ImplicationChecksByTransitivity, 580.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 118.1s InterpolantComputationTime, 8117 NumberOfCodeBlocks, 8117 NumberOfCodeBlocksAsserted, 186 NumberOfCheckSat, 7931 ConstructedInterpolants, 0 QuantifiedInterpolants, 3195307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 186 InterpolantComputations, 107 PerfectInterpolantSequences, 4524/6912 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_expect <= 2 * ((this_expect + -2) / 2) + 2) && this_buffer_empty <= 4294967296 * (this_buffer_empty / 4294967296) + 1) && 1 <= this_buffer_empty) && 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 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 44.0 MB in the beginning and 44.0 MB in the end (delta: 30.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 578.85 ms. Allocated memory is still 86.0 MB. Free memory was 54.7 MB in the beginning and 56.0 MB in the end (delta: -1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.05 ms. Allocated memory is still 86.0 MB. Free memory was 56.0 MB in the beginning and 51.1 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.37 ms. Allocated memory is still 86.0 MB. Free memory was 51.1 MB in the beginning and 48.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1387.98 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 47.6 MB in the beginning and 80.5 MB in the end (delta: -32.9 MB). Peak memory consumption was 30.6 MB. Max. memory is 16.1 GB. * CodeCheck took 613326.80 ms. Allocated memory was 104.9 MB in the beginning and 824.2 MB in the end (delta: 719.3 MB). Free memory was 80.5 MB in the beginning and 459.8 MB in the end (delta: -379.3 MB). Peak memory consumption was 596.5 MB. Max. memory is 16.1 GB. * Witness Printer took 75.35 ms. Allocated memory is still 824.2 MB. Free memory was 459.8 MB in the beginning and 456.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...