./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label40.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_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/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 601109ddd57cf630523568b284ec5251e7a82dbd ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:25:11,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:25:11,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:25:11,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:25:11,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:25:11,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:25:11,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:25:11,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:25:11,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:25:11,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:25:11,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:25:11,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:25:11,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:25:11,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:25:11,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:25:11,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:25:11,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:25:11,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:25:11,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:25:11,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:25:11,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:25:11,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:25:11,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:25:11,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:25:11,194 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:25:11,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:25:11,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:25:11,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:25:11,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:25:11,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:25:11,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:25:11,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:25:11,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:25:11,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:25:11,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:25:11,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:25:11,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:25:11,212 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:25:11,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:25:11,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:25:11,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:25:11,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:25:11,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:25:11,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:25:11,280 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:25:11,281 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:25:11,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:25:11,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:25:11,282 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:25:11,283 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:25:11,283 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:25:11,283 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:25:11,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:25:11,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:25:11,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:25:11,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:25:11,286 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:25:11,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:25:11,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:25:11,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:25:11,287 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:25:11,288 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:25:11,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:25:11,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:25:11,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:25:11,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:25:11,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:25:11,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:25:11,290 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:25:11,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:25:11,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:25:11,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601109ddd57cf630523568b284ec5251e7a82dbd [2020-12-01 16:25:11,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:25:11,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:25:11,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:25:11,729 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:25:11,731 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:25:11,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label40.c [2020-12-01 16:25:11,840 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/data/146fafa06/5f2c0a2947ae4666afeb2f93ab6725ee/FLAG4426c72c4 [2020-12-01 16:25:12,641 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:25:12,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/sv-benchmarks/c/eca-rers2012/Problem01_label40.c [2020-12-01 16:25:12,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/data/146fafa06/5f2c0a2947ae4666afeb2f93ab6725ee/FLAG4426c72c4 [2020-12-01 16:25:12,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/data/146fafa06/5f2c0a2947ae4666afeb2f93ab6725ee [2020-12-01 16:25:12,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:25:12,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:25:12,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:25:12,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:25:12,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:25:12,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:12" (1/1) ... [2020-12-01 16:25:12,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dc5a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:12, skipping insertion in model container [2020-12-01 16:25:12,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:25:12" (1/1) ... [2020-12-01 16:25:12,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:25:12,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:25:13,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:25:13,550 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:25:13,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:25:13,735 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:25:13,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13 WrapperNode [2020-12-01 16:25:13,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:25:13,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:25:13,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:25:13,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:25:13,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:25:13,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:25:13,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:25:13,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:25:13,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:13,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... [2020-12-01 16:25:14,006 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:25:14,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:25:14,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:25:14,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:25:14,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:25:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/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 16:25:14,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:25:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:25:14,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:25:14,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:25:17,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:25:17,480 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:25:17,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:17 BoogieIcfgContainer [2020-12-01 16:25:17,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:25:17,485 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:25:17,486 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:25:17,499 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:25:17,499 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:17" (1/1) ... [2020-12-01 16:25:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:25:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:17,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 16:25:17,582 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 16:25:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:25:17,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:18,225 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 16:25:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 145 states and 237 transitions. [2020-12-01 16:25:19,167 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 237 transitions. [2020-12-01 16:25:19,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:25:19,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2020-12-01 16:25:19,665 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2020-12-01 16:25:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:25:19,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:19,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:19,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 150 states and 245 transitions. [2020-12-01 16:25:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 245 transitions. [2020-12-01 16:25:19,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:25:19,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 155 states and 252 transitions. [2020-12-01 16:25:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 252 transitions. [2020-12-01 16:25:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:25:20,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 163 states and 264 transitions. [2020-12-01 16:25:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 264 transitions. [2020-12-01 16:25:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:25:20,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:21,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2020-12-01 16:25:21,141 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2020-12-01 16:25:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:25:21,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 177 states and 289 transitions. [2020-12-01 16:25:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions. [2020-12-01 16:25:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:25:21,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 181 states and 293 transitions. [2020-12-01 16:25:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 293 transitions. [2020-12-01 16:25:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:25:22,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:22,293 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 193 states and 312 transitions. [2020-12-01 16:25:22,960 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 312 transitions. [2020-12-01 16:25:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-01 16:25:22,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:23,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 195 states and 315 transitions. [2020-12-01 16:25:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 315 transitions. [2020-12-01 16:25:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-01 16:25:23,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:23,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 206 states and 329 transitions. [2020-12-01 16:25:23,500 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 329 transitions. [2020-12-01 16:25:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:25:23,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 219 states and 349 transitions. [2020-12-01 16:25:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 349 transitions. [2020-12-01 16:25:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:25:24,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:25,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:25,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 223 states and 353 transitions. [2020-12-01 16:25:25,018 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 353 transitions. [2020-12-01 16:25:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:25:25,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:26,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 238 states and 376 transitions. [2020-12-01 16:25:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 376 transitions. [2020-12-01 16:25:26,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:25:26,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:26,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 242 states and 380 transitions. [2020-12-01 16:25:26,969 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 380 transitions. [2020-12-01 16:25:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-01 16:25:26,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 246 states and 385 transitions. [2020-12-01 16:25:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2020-12-01 16:25:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 16:25:27,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:27,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:27,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 257 states and 400 transitions. [2020-12-01 16:25:27,766 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 400 transitions. [2020-12-01 16:25:27,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 16:25:27,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:28,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 267 states and 411 transitions. [2020-12-01 16:25:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 411 transitions. [2020-12-01 16:25:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 16:25:28,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:28,971 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:29,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:29,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 272 states and 417 transitions. [2020-12-01 16:25:29,476 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 417 transitions. [2020-12-01 16:25:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-01 16:25:29,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:29,587 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:30,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 292 states and 445 transitions. [2020-12-01 16:25:30,742 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 445 transitions. [2020-12-01 16:25:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-01 16:25:30,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:30,795 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:31,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 302 states and 455 transitions. [2020-12-01 16:25:31,386 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 455 transitions. [2020-12-01 16:25:31,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:25:31,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:32,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 308 states and 468 transitions. [2020-12-01 16:25:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 468 transitions. [2020-12-01 16:25:32,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:25:32,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:32,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 311 states and 471 transitions. [2020-12-01 16:25:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 471 transitions. [2020-12-01 16:25:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:25:32,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 322 states and 486 transitions. [2020-12-01 16:25:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 486 transitions. [2020-12-01 16:25:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:25:33,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:33,477 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:33,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 323 states and 489 transitions. [2020-12-01 16:25:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 489 transitions. [2020-12-01 16:25:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:25:33,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 341 states and 515 transitions. [2020-12-01 16:25:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 515 transitions. [2020-12-01 16:25:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:25:35,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 356 states and 532 transitions. [2020-12-01 16:25:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 532 transitions. [2020-12-01 16:25:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:25:36,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:37,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:37,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 368 states and 547 transitions. [2020-12-01 16:25:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 547 transitions. [2020-12-01 16:25:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:25:37,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:37,323 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 374 states and 553 transitions. [2020-12-01 16:25:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 553 transitions. [2020-12-01 16:25:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 16:25:37,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:37,654 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:38,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 379 states and 564 transitions. [2020-12-01 16:25:38,373 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 564 transitions. [2020-12-01 16:25:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 16:25:38,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:38,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 388 states and 576 transitions. [2020-12-01 16:25:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 576 transitions. [2020-12-01 16:25:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 16:25:38,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:39,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:39,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 389 states and 577 transitions. [2020-12-01 16:25:39,014 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 577 transitions. [2020-12-01 16:25:39,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:25:39,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 394 states and 583 transitions. [2020-12-01 16:25:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 583 transitions. [2020-12-01 16:25:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:25:39,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:39,444 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:40,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 406 states and 598 transitions. [2020-12-01 16:25:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 598 transitions. [2020-12-01 16:25:40,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:25:40,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:25:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:40,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 409 states and 601 transitions. [2020-12-01 16:25:40,590 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 601 transitions. [2020-12-01 16:25:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:25:40,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:25:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:41,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 414 states and 606 transitions. [2020-12-01 16:25:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 606 transitions. [2020-12-01 16:25:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:25:41,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:41,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 417 states and 610 transitions. [2020-12-01 16:25:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 610 transitions. [2020-12-01 16:25:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-01 16:25:41,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:41,701 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 431 states and 628 transitions. [2020-12-01 16:25:42,620 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 628 transitions. [2020-12-01 16:25:42,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-01 16:25:42,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:42,689 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 442 states and 639 transitions. [2020-12-01 16:25:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 639 transitions. [2020-12-01 16:25:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 16:25:43,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 446 states and 643 transitions. [2020-12-01 16:25:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 643 transitions. [2020-12-01 16:25:44,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-01 16:25:44,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:25:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 448 states and 644 transitions. [2020-12-01 16:25:44,596 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 644 transitions. [2020-12-01 16:25:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 16:25:44,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 451 states and 648 transitions. [2020-12-01 16:25:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 648 transitions. [2020-12-01 16:25:44,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:25:44,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:25:46,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:46,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 537 states and 739 transitions. [2020-12-01 16:25:46,270 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 739 transitions. [2020-12-01 16:25:46,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-01 16:25:46,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 560 states and 770 transitions. [2020-12-01 16:25:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 770 transitions. [2020-12-01 16:25:47,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 16:25:47,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:47,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:48,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 569 states and 781 transitions. [2020-12-01 16:25:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 781 transitions. [2020-12-01 16:25:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-01 16:25:48,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:48,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 580 states and 798 transitions. [2020-12-01 16:25:48,658 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 798 transitions. [2020-12-01 16:25:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-01 16:25:48,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:48,724 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:50,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:50,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 601 states and 820 transitions. [2020-12-01 16:25:50,034 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 820 transitions. [2020-12-01 16:25:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:25:50,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:50,100 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:50,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 612 states and 837 transitions. [2020-12-01 16:25:50,632 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 837 transitions. [2020-12-01 16:25:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:25:50,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:50,693 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 621 states and 848 transitions. [2020-12-01 16:25:51,189 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 848 transitions. [2020-12-01 16:25:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:25:51,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:51,252 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 16:25:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:51,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 626 states and 855 transitions. [2020-12-01 16:25:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 855 transitions. [2020-12-01 16:25:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 16:25:51,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 644 states and 879 transitions. [2020-12-01 16:25:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 879 transitions. [2020-12-01 16:25:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 16:25:52,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 665 states and 900 transitions. [2020-12-01 16:25:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 900 transitions. [2020-12-01 16:25:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:25:53,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:53,910 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:25:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 672 states and 907 transitions. [2020-12-01 16:25:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 907 transitions. [2020-12-01 16:25:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:25:54,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:25:55,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 679 states and 914 transitions. [2020-12-01 16:25:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 914 transitions. [2020-12-01 16:25:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 16:25:55,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:25:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:55,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 684 states and 918 transitions. [2020-12-01 16:25:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 918 transitions. [2020-12-01 16:25:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 16:25:55,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 703 states and 939 transitions. [2020-12-01 16:25:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 939 transitions. [2020-12-01 16:25:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:25:56,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:25:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 716 states and 954 transitions. [2020-12-01 16:25:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 954 transitions. [2020-12-01 16:25:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-01 16:25:56,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:57,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 726 states and 966 transitions. [2020-12-01 16:25:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 966 transitions. [2020-12-01 16:25:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 16:25:57,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:57,691 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 743 states and 984 transitions. [2020-12-01 16:25:58,454 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 984 transitions. [2020-12-01 16:25:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 16:25:58,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:58,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 745 states and 986 transitions. [2020-12-01 16:25:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 986 transitions. [2020-12-01 16:25:58,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 16:25:58,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:25:59,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 750 states and 990 transitions. [2020-12-01 16:25:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 990 transitions. [2020-12-01 16:25:59,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-12-01 16:25:59,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:59,232 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:25:59,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:25:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 752 states and 991 transitions. [2020-12-01 16:25:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 991 transitions. [2020-12-01 16:25:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 16:25:59,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:25:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:25:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:03,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 785 states and 1044 transitions. [2020-12-01 16:26:03,711 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1044 transitions. [2020-12-01 16:26:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:26:03,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:26:04,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 788 states and 1048 transitions. [2020-12-01 16:26:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1048 transitions. [2020-12-01 16:26:04,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:26:04,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:26:04,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 791 states and 1051 transitions. [2020-12-01 16:26:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1051 transitions. [2020-12-01 16:26:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:26:04,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:04,458 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:26:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 807 states and 1066 transitions. [2020-12-01 16:26:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1066 transitions. [2020-12-01 16:26:04,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:26:04,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:04,673 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:26:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 810 states and 1069 transitions. [2020-12-01 16:26:04,924 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1069 transitions. [2020-12-01 16:26:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:26:04,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 837 states and 1110 transitions. [2020-12-01 16:26:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1110 transitions. [2020-12-01 16:26:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 16:26:05,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:26:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 854 states and 1127 transitions. [2020-12-01 16:26:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1127 transitions. [2020-12-01 16:26:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:26:05,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:06,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:06,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 874 states and 1148 transitions. [2020-12-01 16:26:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1148 transitions. [2020-12-01 16:26:06,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:26:06,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:06,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 891 states and 1167 transitions. [2020-12-01 16:26:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1167 transitions. [2020-12-01 16:26:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:26:06,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:06,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 901 states and 1176 transitions. [2020-12-01 16:26:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1176 transitions. [2020-12-01 16:26:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:26:06,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:06,823 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 16:26:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 902 states and 1176 transitions. [2020-12-01 16:26:06,885 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1176 transitions. [2020-12-01 16:26:06,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:26:06,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:06,992 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 905 states and 1179 transitions. [2020-12-01 16:26:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1179 transitions. [2020-12-01 16:26:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:26:07,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 932 states and 1208 transitions. [2020-12-01 16:26:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1208 transitions. [2020-12-01 16:26:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-01 16:26:07,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:26:07,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:07,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 949 states and 1224 transitions. [2020-12-01 16:26:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1224 transitions. [2020-12-01 16:26:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:26:07,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:11,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 999 states and 1280 transitions. [2020-12-01 16:26:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1280 transitions. [2020-12-01 16:26:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 16:26:11,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:11,301 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:26:11,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:11,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1001 states and 1286 transitions. [2020-12-01 16:26:11,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1286 transitions. [2020-12-01 16:26:11,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 16:26:11,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:26:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:11,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1006 states and 1291 transitions. [2020-12-01 16:26:11,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1291 transitions. [2020-12-01 16:26:11,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-12-01 16:26:11,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:26:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1011 states and 1296 transitions. [2020-12-01 16:26:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1296 transitions. [2020-12-01 16:26:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:26:13,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:14,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1060 states and 1349 transitions. [2020-12-01 16:26:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1349 transitions. [2020-12-01 16:26:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:26:14,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:26:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1091 states and 1387 transitions. [2020-12-01 16:26:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1387 transitions. [2020-12-01 16:26:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:26:16,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:26:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1121 states and 1417 transitions. [2020-12-01 16:26:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1417 transitions. [2020-12-01 16:26:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-12-01 16:26:18,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:18,646 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 16:26:19,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1130 states and 1425 transitions. [2020-12-01 16:26:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1425 transitions. [2020-12-01 16:26:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-01 16:26:19,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:20,019 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-12-01 16:26:20,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1131 states and 1425 transitions. [2020-12-01 16:26:20,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1425 transitions. [2020-12-01 16:26:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-12-01 16:26:20,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:26:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1136 states and 1431 transitions. [2020-12-01 16:26:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1431 transitions. [2020-12-01 16:26:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 16:26:20,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:26:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1139 states and 1433 transitions. [2020-12-01 16:26:21,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1433 transitions. [2020-12-01 16:26:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-12-01 16:26:21,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:21,097 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:26:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1142 states and 1435 transitions. [2020-12-01 16:26:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 1435 transitions. [2020-12-01 16:26:21,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:26:21,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:26:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:22,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1144 states and 1437 transitions. [2020-12-01 16:26:22,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1437 transitions. [2020-12-01 16:26:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:26:22,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:22,183 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:26:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1147 states and 1441 transitions. [2020-12-01 16:26:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1441 transitions. [2020-12-01 16:26:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:26:22,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:26:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:22,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1150 states and 1443 transitions. [2020-12-01 16:26:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1443 transitions. [2020-12-01 16:26:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-12-01 16:26:22,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:26:23,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1153 states and 1445 transitions. [2020-12-01 16:26:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1445 transitions. [2020-12-01 16:26:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 16:26:23,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:23,221 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:26:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:24,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1183 states and 1479 transitions. [2020-12-01 16:26:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1479 transitions. [2020-12-01 16:26:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 16:26:24,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:24,195 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:26:26,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1228 states and 1534 transitions. [2020-12-01 16:26:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1534 transitions. [2020-12-01 16:26:26,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 16:26:26,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:26,769 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:26:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1237 states and 1545 transitions. [2020-12-01 16:26:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1545 transitions. [2020-12-01 16:26:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 16:26:27,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:26:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1269 states and 1579 transitions. [2020-12-01 16:26:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1579 transitions. [2020-12-01 16:26:29,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-12-01 16:26:29,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:26:30,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:30,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1276 states and 1585 transitions. [2020-12-01 16:26:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1585 transitions. [2020-12-01 16:26:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-12-01 16:26:30,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 104 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:34,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1333 states and 1660 transitions. [2020-12-01 16:26:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1660 transitions. [2020-12-01 16:26:34,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-12-01 16:26:34,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 104 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1364 states and 1695 transitions. [2020-12-01 16:26:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1695 transitions. [2020-12-01 16:26:36,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-12-01 16:26:36,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:36,861 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 104 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:36,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1365 states and 1695 transitions. [2020-12-01 16:26:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1695 transitions. [2020-12-01 16:26:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 16:26:36,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:37,046 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:26:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1368 states and 1698 transitions. [2020-12-01 16:26:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1698 transitions. [2020-12-01 16:26:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 16:26:37,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:26:38,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:38,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1369 states and 1699 transitions. [2020-12-01 16:26:38,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1699 transitions. [2020-12-01 16:26:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 16:26:38,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:26:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1372 states and 1701 transitions. [2020-12-01 16:26:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1701 transitions. [2020-12-01 16:26:38,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 16:26:38,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 16:26:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1388 states and 1716 transitions. [2020-12-01 16:26:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1716 transitions. [2020-12-01 16:26:38,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:26:38,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:40,011 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 63 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:45,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1492 states and 1830 transitions. [2020-12-01 16:26:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1830 transitions. [2020-12-01 16:26:45,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 16:26:45,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:45,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-12-01 16:26:48,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1539 states and 1882 transitions. [2020-12-01 16:26:48,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1882 transitions. [2020-12-01 16:26:48,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 16:26:48,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:49,035 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:49,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1559 states and 1902 transitions. [2020-12-01 16:26:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1902 transitions. [2020-12-01 16:26:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 16:26:49,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-12-01 16:26:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1560 states and 1902 transitions. [2020-12-01 16:26:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1902 transitions. [2020-12-01 16:26:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-01 16:26:50,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:50,590 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 108 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:26:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:53,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 1630 states and 1981 transitions. [2020-12-01 16:26:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1981 transitions. [2020-12-01 16:26:53,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 16:26:53,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:53,876 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-12-01 16:26:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1646 states and 1998 transitions. [2020-12-01 16:26:55,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 1998 transitions. [2020-12-01 16:26:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 16:26:55,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2020-12-01 16:26:56,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1651 states and 2002 transitions. [2020-12-01 16:26:56,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2002 transitions. [2020-12-01 16:26:56,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:26:56,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-01 16:26:56,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1653 states and 2005 transitions. [2020-12-01 16:26:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2005 transitions. [2020-12-01 16:26:56,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:26:56,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:57,111 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-01 16:26:57,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1660 states and 2012 transitions. [2020-12-01 16:26:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2012 transitions. [2020-12-01 16:26:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:26:57,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-12-01 16:26:58,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1665 states and 2016 transitions. [2020-12-01 16:26:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2016 transitions. [2020-12-01 16:26:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 16:26:58,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 16:26:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1667 states and 2017 transitions. [2020-12-01 16:26:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2017 transitions. [2020-12-01 16:26:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-12-01 16:26:58,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:26:58,895 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 16:26:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:26:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1672 states and 2021 transitions. [2020-12-01 16:26:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2021 transitions. [2020-12-01 16:26:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-12-01 16:26:59,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:26:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 180 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:02,259 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-12-01 16:27:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1721 states and 2075 transitions. [2020-12-01 16:27:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2075 transitions. [2020-12-01 16:27:07,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:27:07,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 16:27:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 1771 states and 2126 transitions. [2020-12-01 16:27:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2126 transitions. [2020-12-01 16:27:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-12-01 16:27:09,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 16:27:10,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:10,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1792 states and 2146 transitions. [2020-12-01 16:27:10,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2146 transitions. [2020-12-01 16:27:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:27:10,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:16,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1842 states and 2200 transitions. [2020-12-01 16:27:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 2200 transitions. [2020-12-01 16:27:16,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 16:27:16,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:27:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:21,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 1894 states and 2263 transitions. [2020-12-01 16:27:21,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2263 transitions. [2020-12-01 16:27:21,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 16:27:21,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 16:27:22,542 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-01 16:27:23,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:23,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1910 states and 2279 transitions. [2020-12-01 16:27:23,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2279 transitions. [2020-12-01 16:27:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 16:27:23,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 208 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1936 states and 2319 transitions. [2020-12-01 16:27:31,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 2319 transitions. [2020-12-01 16:27:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 16:27:31,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:31,966 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 208 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:37,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1973 states and 2364 transitions. [2020-12-01 16:27:37,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 2364 transitions. [2020-12-01 16:27:37,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 16:27:37,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 208 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:27:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1974 states and 2364 transitions. [2020-12-01 16:27:38,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2364 transitions. [2020-12-01 16:27:38,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-12-01 16:27:38,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-12-01 16:27:39,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 2015 states and 2407 transitions. [2020-12-01 16:27:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2407 transitions. [2020-12-01 16:27:39,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-12-01 16:27:39,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 16:27:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2019 states and 2410 transitions. [2020-12-01 16:27:40,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 2410 transitions. [2020-12-01 16:27:40,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-12-01 16:27:40,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:40,610 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 16:27:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2021 states and 2411 transitions. [2020-12-01 16:27:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2411 transitions. [2020-12-01 16:27:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 16:27:41,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 126 proven. 69 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:27:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2159 states and 2566 transitions. [2020-12-01 16:27:51,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2566 transitions. [2020-12-01 16:27:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 16:27:51,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:51,871 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 16:27:52,160 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-01 16:27:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:53,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2638 states to 2229 states and 2638 transitions. [2020-12-01 16:27:53,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2638 transitions. [2020-12-01 16:27:53,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-12-01 16:27:53,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 16:27:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 2231 states and 2639 transitions. [2020-12-01 16:27:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2639 transitions. [2020-12-01 16:27:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 16:27:55,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:55,503 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 16:27:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:56,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2642 states to 2235 states and 2642 transitions. [2020-12-01 16:27:56,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2642 transitions. [2020-12-01 16:27:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-12-01 16:27:56,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 16:27:57,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:27:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2239 states and 2645 transitions. [2020-12-01 16:27:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 2645 transitions. [2020-12-01 16:27:57,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-01 16:27:57,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:27:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:27:57,450 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 162 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:28:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:00,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2252 states and 2658 transitions. [2020-12-01 16:28:00,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2658 transitions. [2020-12-01 16:28:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-12-01 16:28:00,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:00,785 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 162 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:28:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:01,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2258 states and 2664 transitions. [2020-12-01 16:28:01,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 2664 transitions. [2020-12-01 16:28:01,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-12-01 16:28:01,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:02,063 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-12-01 16:28:02,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2260 states and 2665 transitions. [2020-12-01 16:28:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2665 transitions. [2020-12-01 16:28:02,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-01 16:28:02,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:02,600 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 169 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:28:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:03,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2267 states and 2672 transitions. [2020-12-01 16:28:03,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2672 transitions. [2020-12-01 16:28:03,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-01 16:28:03,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:03,630 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 169 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:28:04,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:04,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2274 states and 2679 transitions. [2020-12-01 16:28:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2679 transitions. [2020-12-01 16:28:04,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-12-01 16:28:04,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 171 proven. 108 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-12-01 16:28:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2305 states and 2711 transitions. [2020-12-01 16:28:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2711 transitions. [2020-12-01 16:28:07,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 16:28:07,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 172 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:28:08,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2308 states and 2715 transitions. [2020-12-01 16:28:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2715 transitions. [2020-12-01 16:28:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 16:28:08,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:09,079 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 172 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:28:09,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 2311 states and 2719 transitions. [2020-12-01 16:28:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 2719 transitions. [2020-12-01 16:28:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 16:28:09,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 162 proven. 103 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 16:28:10,625 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-01 16:28:11,992 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-12-01 16:28:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2416 states and 2831 transitions. [2020-12-01 16:28:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2831 transitions. [2020-12-01 16:28:13,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-12-01 16:28:13,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 163 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-12-01 16:28:26,156 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2020-12-01 16:28:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2994 states to 2528 states and 2994 transitions. [2020-12-01 16:28:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2994 transitions. [2020-12-01 16:28:27,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-12-01 16:28:27,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 2619 states and 3097 transitions. [2020-12-01 16:28:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3097 transitions. [2020-12-01 16:28:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 16:28:42,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 214 proven. 45 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 16:28:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 2629 states and 3110 transitions. [2020-12-01 16:28:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3110 transitions. [2020-12-01 16:28:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-12-01 16:28:48,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 214 proven. 45 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 16:28:50,472 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2020-12-01 16:28:53,652 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-12-01 16:28:55,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:55,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 2667 states and 3153 transitions. [2020-12-01 16:28:55,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3153 transitions. [2020-12-01 16:28:55,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-12-01 16:28:55,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 319 proven. 14 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 16:28:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2672 states and 3160 transitions. [2020-12-01 16:28:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3160 transitions. [2020-12-01 16:28:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-12-01 16:28:57,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 319 proven. 14 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 16:29:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 2677 states and 3168 transitions. [2020-12-01 16:29:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3168 transitions. [2020-12-01 16:29:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:00,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 136 proven. 138 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 16:29:09,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 2717 states and 3214 transitions. [2020-12-01 16:29:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3214 transitions. [2020-12-01 16:29:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:09,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:11,748 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2020-12-01 16:29:16,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:16,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 2744 states and 3249 transitions. [2020-12-01 16:29:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3249 transitions. [2020-12-01 16:29:16,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:16,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:20,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:20,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 2750 states and 3259 transitions. [2020-12-01 16:29:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3259 transitions. [2020-12-01 16:29:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:20,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:21,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:21,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 2766 states and 3275 transitions. [2020-12-01 16:29:21,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3275 transitions. [2020-12-01 16:29:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:21,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:26,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 2772 states and 3284 transitions. [2020-12-01 16:29:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3284 transitions. [2020-12-01 16:29:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:26,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:35,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:35,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2803 states and 3321 transitions. [2020-12-01 16:29:35,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 3321 transitions. [2020-12-01 16:29:35,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:35,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:35,864 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 2804 states and 3323 transitions. [2020-12-01 16:29:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 3323 transitions. [2020-12-01 16:29:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:37,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:42,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:42,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 2812 states and 3332 transitions. [2020-12-01 16:29:42,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3332 transitions. [2020-12-01 16:29:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:42,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2814 states and 3334 transitions. [2020-12-01 16:29:44,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3334 transitions. [2020-12-01 16:29:44,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:44,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:45,269 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:46,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 2815 states and 3335 transitions. [2020-12-01 16:29:46,895 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 3335 transitions. [2020-12-01 16:29:46,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:46,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:47,469 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 2830 states and 3353 transitions. [2020-12-01 16:29:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3353 transitions. [2020-12-01 16:29:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-12-01 16:29:52,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-12-01 16:29:55,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 2834 states and 3357 transitions. [2020-12-01 16:29:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3357 transitions. [2020-12-01 16:29:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-12-01 16:29:55,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:56,130 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 300 proven. 116 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-01 16:30:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 2875 states and 3405 transitions. [2020-12-01 16:30:05,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2875 states and 3405 transitions. [2020-12-01 16:30:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-12-01 16:30:05,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:05,460 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 69 proven. 246 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-01 16:30:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 2906 states and 3441 transitions. [2020-12-01 16:30:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3441 transitions. [2020-12-01 16:30:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-12-01 16:30:08,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 69 proven. 250 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-12-01 16:30:09,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:09,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 2908 states and 3443 transitions. [2020-12-01 16:30:09,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 3443 transitions. [2020-12-01 16:30:09,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-01 16:30:09,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:09,746 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 16:30:12,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 2923 states and 3463 transitions. [2020-12-01 16:30:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2923 states and 3463 transitions. [2020-12-01 16:30:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-12-01 16:30:12,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:12,946 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-12-01 16:30:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 2944 states and 3483 transitions. [2020-12-01 16:30:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3483 transitions. [2020-12-01 16:30:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-12-01 16:30:16,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:18,892 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 414 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:30:24,221 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-01 16:30:39,597 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-12-01 16:30:40,707 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2020-12-01 16:30:50,047 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2020-12-01 16:30:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3696 states to 3136 states and 3696 transitions. [2020-12-01 16:30:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 3696 transitions. [2020-12-01 16:30:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-12-01 16:30:51,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:53,868 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 268 proven. 114 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 16:31:10,805 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-12-01 16:31:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:12,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3259 states and 3852 transitions. [2020-12-01 16:31:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 3259 states and 3852 transitions. [2020-12-01 16:31:12,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:31:12,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:31:16,108 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2020-12-01 16:31:22,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 3289 states and 3893 transitions. [2020-12-01 16:31:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 3289 states and 3893 transitions. [2020-12-01 16:31:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:31:22,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:31:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3908 states to 3305 states and 3908 transitions. [2020-12-01 16:31:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 3908 transitions. [2020-12-01 16:31:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:31:24,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 16:31:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 3326 states and 3928 transitions. [2020-12-01 16:31:26,929 INFO L276 IsEmpty]: Start isEmpty. Operand 3326 states and 3928 transitions. [2020-12-01 16:31:26,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 16:31:26,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:27,080 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 16:31:32,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3937 states to 3336 states and 3937 transitions. [2020-12-01 16:31:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 3937 transitions. [2020-12-01 16:31:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 16:31:32,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 16:31:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:33,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3340 states and 3940 transitions. [2020-12-01 16:31:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 3940 transitions. [2020-12-01 16:31:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 16:31:33,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:33,907 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 16:31:35,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 3341 states and 3940 transitions. [2020-12-01 16:31:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3341 states and 3940 transitions. [2020-12-01 16:31:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 16:31:35,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:36,677 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 356 proven. 86 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 16:31:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4010 states to 3410 states and 4010 transitions. [2020-12-01 16:31:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3410 states and 4010 transitions. [2020-12-01 16:31:39,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-12-01 16:31:39,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2020-12-01 16:31:45,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3950 states to 3355 states and 3950 transitions. [2020-12-01 16:31:45,745 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 3950 transitions. [2020-12-01 16:31:45,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:31:45,748 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 176 iterations. [2020-12-01 16:31:45,762 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:31:46,994 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 143 DAG size of output: 44 [2020-12-01 16:31:47,441 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2020-12-01 16:31:48,609 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2020-12-01 16:31:49,190 WARN L197 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:31:49,877 WARN L197 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 29 [2020-12-01 16:31:51,141 WARN L197 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 146 DAG size of output: 44 [2020-12-01 16:31:51,689 WARN L197 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:31:52,711 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 140 DAG size of output: 44 [2020-12-01 16:31:53,277 WARN L197 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-12-01 16:31:53,950 WARN L197 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 29 [2020-12-01 16:31:54,634 WARN L197 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 29 [2020-12-01 16:31:55,214 WARN L197 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2020-12-01 16:31:55,374 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 9 [2020-12-01 16:31:56,721 WARN L197 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 44 [2020-12-01 16:31:57,376 WARN L197 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 29 [2020-12-01 16:31:57,942 WARN L197 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:31:58,618 WARN L197 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 29 [2020-12-01 16:31:59,687 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 138 DAG size of output: 44 [2020-12-01 16:32:00,260 WARN L197 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:32:01,129 WARN L197 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-12-01 16:32:01,737 WARN L197 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-12-01 16:32:02,417 WARN L197 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 29 [2020-12-01 16:32:03,621 WARN L197 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 138 DAG size of output: 44 [2020-12-01 16:32:04,103 WARN L197 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2020-12-01 16:32:05,053 WARN L197 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-12-01 16:32:06,178 WARN L197 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 148 DAG size of output: 44 [2020-12-01 16:32:06,595 WARN L197 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2020-12-01 16:32:07,667 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 140 DAG size of output: 44 [2020-12-01 16:32:08,269 WARN L197 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 29 [2020-12-01 16:32:09,382 WARN L197 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 142 DAG size of output: 44 [2020-12-01 16:32:10,109 WARN L197 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:32:10,280 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 9 [2020-12-01 16:32:11,243 WARN L197 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 29 [2020-12-01 16:32:11,953 WARN L197 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 29 [2020-12-01 16:32:12,556 WARN L197 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:32:13,137 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2020-12-01 16:32:14,229 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 137 DAG size of output: 44 [2020-12-01 16:32:15,356 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 145 DAG size of output: 44 [2020-12-01 16:32:16,573 WARN L197 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 147 DAG size of output: 47 [2020-12-01 16:32:17,168 WARN L197 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:32:18,091 WARN L197 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-12-01 16:32:18,455 WARN L197 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 29 [2020-12-01 16:32:19,237 WARN L197 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-12-01 16:32:19,751 WARN L197 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:32:20,805 WARN L197 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 150 DAG size of output: 44 [2020-12-01 16:32:21,942 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 146 DAG size of output: 44 [2020-12-01 16:32:23,017 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 146 DAG size of output: 44 [2020-12-01 16:32:23,673 WARN L197 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-12-01 16:32:24,979 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 143 DAG size of output: 44 [2020-12-01 16:32:25,988 WARN L197 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 164 DAG size of output: 29 [2020-12-01 16:32:26,726 WARN L197 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 29 [2020-12-01 16:32:27,556 WARN L197 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-12-01 16:32:28,711 WARN L197 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 147 DAG size of output: 47 [2020-12-01 16:32:29,527 WARN L197 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-12-01 16:32:30,800 WARN L197 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 159 DAG size of output: 44 [2020-12-01 16:32:32,069 WARN L197 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 148 DAG size of output: 44 [2020-12-01 16:32:32,542 WARN L197 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2020-12-01 16:32:33,424 WARN L197 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 29 [2020-12-01 16:32:34,198 WARN L197 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-12-01 16:32:35,238 WARN L197 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 145 DAG size of output: 44 [2020-12-01 16:32:35,885 WARN L197 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-12-01 16:32:36,637 WARN L197 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 29 [2020-12-01 16:32:37,833 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 143 DAG size of output: 44 [2020-12-01 16:32:38,725 WARN L197 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-12-01 16:32:39,727 WARN L197 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-12-01 16:32:40,321 WARN L197 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:32:41,034 WARN L197 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 29 [2020-12-01 16:32:41,573 WARN L197 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 29 [2020-12-01 16:32:42,324 WARN L197 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 29 [2020-12-01 16:32:42,817 WARN L197 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-12-01 16:32:43,898 WARN L197 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 145 DAG size of output: 44 [2020-12-01 16:32:43,899 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2020-12-01 16:32:43,922 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:32:43,922 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2020-12-01 16:32:43,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:32:43 ImpRootNode [2020-12-01 16:32:43,924 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:32:43,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:32:43,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:32:43,925 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:32:43,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:25:17" (3/4) ... [2020-12-01 16:32:43,930 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:32:43,988 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2020-12-01 16:32:43,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-12-01 16:32:44,000 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 16:32:44,002 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 16:32:44,156 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d853b5d4-01fb-4051-ae4a-9e515c374fa1/bin/ukojak/witness.graphml [2020-12-01 16:32:44,157 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:32:44,158 INFO L168 Benchmark]: Toolchain (without parser) took 451281.33 ms. Allocated memory was 90.2 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 59.4 MB in the beginning and 3.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 662.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:44,158 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:32:44,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.25 ms. Allocated memory is still 90.2 MB. Free memory was 59.1 MB in the beginning and 52.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:44,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.65 ms. Allocated memory is still 90.2 MB. Free memory was 52.0 MB in the beginning and 46.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:44,160 INFO L168 Benchmark]: Boogie Preprocessor took 135.41 ms. Allocated memory is still 90.2 MB. Free memory was 46.2 MB in the beginning and 41.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:44,160 INFO L168 Benchmark]: RCFGBuilder took 3476.62 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 41.5 MB in the beginning and 45.3 MB in the end (delta: -3.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:44,161 INFO L168 Benchmark]: CodeCheck took 446439.76 ms. Allocated memory was 115.3 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 45.3 MB in the beginning and 3.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 934.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:44,161 INFO L168 Benchmark]: Witness Printer took 231.73 ms. Allocated memory is still 3.9 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:32:44,164 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 388.2s, OverallIterations: 176, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1819859896 SDtfs, -539813578 SDslu, 1966138800 SDs, 0 SdLazy, 1863067064 SolverSat, -100053414 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1417.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200817 GetRequests, 190009 SyntacticMatches, 9436 SemanticMatches, 1372 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350487 ImplicationChecksByTransitivity, 318.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.5s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 27.6s InterpolantComputationTime, 28879 NumberOfCodeBlocks, 28879 NumberOfCodeBlocksAsserted, 175 NumberOfCheckSat, 28704 ConstructedInterpolants, 0 QuantifiedInterpolants, 39993586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 175 InterpolantComputations, 130 PerfectInterpolantSequences, 22842/27820 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((a7 == 1 || (((a21 == 1 && 14 == a8) && a12 == 8) && a16 == 4)) || ((((a21 == 1 && 14 == a8) && a12 == 8) && 5 == a16) && !(a20 == 1))) || (((a21 == 1 && a12 == 8) && a8 == 13) && a16 == 4)) || a17 == 1) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((a7 == 1 || (((a21 == 1 && 14 == a8) && a12 == 8) && a16 == 4)) || ((((a21 == 1 && 14 == a8) && a12 == 8) && 5 == a16) && !(a20 == 1))) || (((a21 == 1 && a12 == 8) && a8 == 13) && a16 == 4)) || a17 == 1) || 15 <= a8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory is still 49.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 855.25 ms. Allocated memory is still 90.2 MB. Free memory was 59.1 MB in the beginning and 52.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.65 ms. Allocated memory is still 90.2 MB. Free memory was 52.0 MB in the beginning and 46.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.41 ms. Allocated memory is still 90.2 MB. Free memory was 46.2 MB in the beginning and 41.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3476.62 ms. Allocated memory was 90.2 MB in the beginning and 115.3 MB in the end (delta: 25.2 MB). Free memory was 41.5 MB in the beginning and 45.3 MB in the end (delta: -3.8 MB). Peak memory consumption was 38.7 MB. Max. memory is 16.1 GB. * CodeCheck took 446439.76 ms. Allocated memory was 115.3 MB in the beginning and 3.9 GB in the end (delta: 3.8 GB). Free memory was 45.3 MB in the beginning and 3.2 GB in the end (delta: -3.2 GB). Peak memory consumption was 934.5 MB. Max. memory is 16.1 GB. * Witness Printer took 231.73 ms. Allocated memory is still 3.9 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...