./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/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 7f5e2cf5778d35276df37ef4653bf7d5a3d1b66b ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:19:03,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:03,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:03,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:03,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:03,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:03,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:03,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:03,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:03,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:03,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:03,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:03,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:03,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:03,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:03,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:03,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:03,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:03,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:03,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:03,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:03,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:03,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:03,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:03,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:03,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:03,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:03,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:03,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:03,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:03,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:03,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:03,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:03,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:03,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:03,194 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:03,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:03,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:03,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:03,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:03,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:03,202 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:19:03,243 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:03,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:03,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:19:03,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:19:03,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:03,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:03,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:03,247 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:19:03,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:19:03,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:19:03,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:03,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:19:03,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:19:03,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:19:03,249 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:19:03,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:19:03,250 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:03,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:19:03,250 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:19:03,251 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:19:03,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:03,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:19:03,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:19:03,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:03,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:19:03,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:19:03,252 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:19:03,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:19:03,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:19:03,254 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_b025364c-ce22-4b96-b595-d322b2808f00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f5e2cf5778d35276df37ef4653bf7d5a3d1b66b [2020-11-30 00:19:03,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:03,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:03,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:03,584 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:03,586 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:03,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2020-11-30 00:19:03,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/data/c2e913780/5a4f107094344c718cf391277e907496/FLAGb9ffeec61 [2020-11-30 00:19:04,419 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:04,422 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/sv-benchmarks/c/eca-rers2012/Problem01_label24.c [2020-11-30 00:19:04,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/data/c2e913780/5a4f107094344c718cf391277e907496/FLAGb9ffeec61 [2020-11-30 00:19:04,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/data/c2e913780/5a4f107094344c718cf391277e907496 [2020-11-30 00:19:04,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:04,658 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:19:04,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:04,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:04,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:04,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:04" (1/1) ... [2020-11-30 00:19:04,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94582b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:04, skipping insertion in model container [2020-11-30 00:19:04,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:04" (1/1) ... [2020-11-30 00:19:04,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:04,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:05,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:05,276 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:19:05,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:05,452 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:19:05,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05 WrapperNode [2020-11-30 00:19:05,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:05,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:05,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:19:05,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:19:05,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:05,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:19:05,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:19:05,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:19:05,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... [2020-11-30 00:19:05,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:19:05,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:19:05,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:19:05,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:19:05,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:19:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:19:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:19:05,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:19:05,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:19:08,401 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:19:08,401 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:19:08,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:08 BoogieIcfgContainer [2020-11-30 00:19:08,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:19:08,405 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:19:08,405 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:19:08,416 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:19:08,416 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:08" (1/1) ... [2020-11-30 00:19:08,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:08,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-11-30 00:19:08,470 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-11-30 00:19:08,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-30 00:19:08,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:09,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 261 transitions. [2020-11-30 00:19:09,671 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2020-11-30 00:19:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-30 00:19:09,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 215 states and 388 transitions. [2020-11-30 00:19:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 388 transitions. [2020-11-30 00:19:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-11-30 00:19:10,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 220 states and 395 transitions. [2020-11-30 00:19:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 395 transitions. [2020-11-30 00:19:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 00:19:11,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:11,565 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 295 states and 473 transitions. [2020-11-30 00:19:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 473 transitions. [2020-11-30 00:19:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-11-30 00:19:13,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 296 states and 475 transitions. [2020-11-30 00:19:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 475 transitions. [2020-11-30 00:19:13,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-11-30 00:19:13,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 297 states and 477 transitions. [2020-11-30 00:19:13,419 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 477 transitions. [2020-11-30 00:19:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-30 00:19:13,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,465 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 300 states and 480 transitions. [2020-11-30 00:19:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 480 transitions. [2020-11-30 00:19:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 00:19:13,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:14,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 308 states and 491 transitions. [2020-11-30 00:19:14,157 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 491 transitions. [2020-11-30 00:19:14,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 00:19:14,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:14,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 315 states and 503 transitions. [2020-11-30 00:19:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 503 transitions. [2020-11-30 00:19:14,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 00:19:14,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:14,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 320 states and 509 transitions. [2020-11-30 00:19:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 509 transitions. [2020-11-30 00:19:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 00:19:14,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 329 states and 526 transitions. [2020-11-30 00:19:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 526 transitions. [2020-11-30 00:19:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-11-30 00:19:16,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:16,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 331 states and 529 transitions. [2020-11-30 00:19:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 529 transitions. [2020-11-30 00:19:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:19:16,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:16,636 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 342 states and 545 transitions. [2020-11-30 00:19:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 545 transitions. [2020-11-30 00:19:17,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:19:17,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:18,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 351 states and 558 transitions. [2020-11-30 00:19:18,163 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 558 transitions. [2020-11-30 00:19:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:19:18,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:18,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 352 states and 558 transitions. [2020-11-30 00:19:18,395 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 558 transitions. [2020-11-30 00:19:18,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:19:18,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:18,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 356 states and 563 transitions. [2020-11-30 00:19:18,808 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 563 transitions. [2020-11-30 00:19:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 00:19:18,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:19,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:19,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 361 states and 569 transitions. [2020-11-30 00:19:19,015 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 569 transitions. [2020-11-30 00:19:19,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-11-30 00:19:19,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 364 states and 573 transitions. [2020-11-30 00:19:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 573 transitions. [2020-11-30 00:19:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-30 00:19:19,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:20,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:20,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 379 states and 595 transitions. [2020-11-30 00:19:20,945 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 595 transitions. [2020-11-30 00:19:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-11-30 00:19:20,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:21,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 393 states and 612 transitions. [2020-11-30 00:19:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 612 transitions. [2020-11-30 00:19:21,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-30 00:19:21,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:21,688 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:19:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 401 states and 621 transitions. [2020-11-30 00:19:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 621 transitions. [2020-11-30 00:19:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-11-30 00:19:21,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:22,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 408 states and 629 transitions. [2020-11-30 00:19:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 629 transitions. [2020-11-30 00:19:22,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-30 00:19:22,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 430 states and 660 transitions. [2020-11-30 00:19:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 660 transitions. [2020-11-30 00:19:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-11-30 00:19:23,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 438 states and 669 transitions. [2020-11-30 00:19:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 669 transitions. [2020-11-30 00:19:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-11-30 00:19:23,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:23,689 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 439 states and 670 transitions. [2020-11-30 00:19:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 670 transitions. [2020-11-30 00:19:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-11-30 00:19:23,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 446 states and 677 transitions. [2020-11-30 00:19:24,031 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 677 transitions. [2020-11-30 00:19:24,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-11-30 00:19:24,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 455 states and 688 transitions. [2020-11-30 00:19:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 688 transitions. [2020-11-30 00:19:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-30 00:19:24,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 472 states and 707 transitions. [2020-11-30 00:19:24,898 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 707 transitions. [2020-11-30 00:19:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-11-30 00:19:24,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 473 states and 709 transitions. [2020-11-30 00:19:24,999 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 709 transitions. [2020-11-30 00:19:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-30 00:19:25,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:25,054 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 483 states and 720 transitions. [2020-11-30 00:19:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 720 transitions. [2020-11-30 00:19:25,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-11-30 00:19:25,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:25,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 484 states and 722 transitions. [2020-11-30 00:19:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 722 transitions. [2020-11-30 00:19:25,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-30 00:19:25,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:25,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 493 states and 731 transitions. [2020-11-30 00:19:25,986 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 731 transitions. [2020-11-30 00:19:25,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-30 00:19:25,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:26,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:26,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 509 states and 749 transitions. [2020-11-30 00:19:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 749 transitions. [2020-11-30 00:19:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-30 00:19:26,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:27,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 526 states and 767 transitions. [2020-11-30 00:19:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 767 transitions. [2020-11-30 00:19:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-11-30 00:19:27,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:27,054 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:27,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:27,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 543 states and 786 transitions. [2020-11-30 00:19:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 786 transitions. [2020-11-30 00:19:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-30 00:19:27,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:27,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 544 states and 788 transitions. [2020-11-30 00:19:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 788 transitions. [2020-11-30 00:19:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-11-30 00:19:27,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 614 states and 895 transitions. [2020-11-30 00:19:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 895 transitions. [2020-11-30 00:19:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-30 00:19:28,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:29,141 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 621 states and 903 transitions. [2020-11-30 00:19:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 903 transitions. [2020-11-30 00:19:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-11-30 00:19:29,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:29,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 628 states and 911 transitions. [2020-11-30 00:19:29,976 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 911 transitions. [2020-11-30 00:19:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-11-30 00:19:29,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 637 states and 920 transitions. [2020-11-30 00:19:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 920 transitions. [2020-11-30 00:19:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 00:19:30,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 655 states and 943 transitions. [2020-11-30 00:19:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 943 transitions. [2020-11-30 00:19:31,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 00:19:31,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:31,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 661 states and 951 transitions. [2020-11-30 00:19:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 951 transitions. [2020-11-30 00:19:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-11-30 00:19:31,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:19:31,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 662 states and 951 transitions. [2020-11-30 00:19:31,953 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 951 transitions. [2020-11-30 00:19:31,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 00:19:31,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:31,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:19:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 663 states and 953 transitions. [2020-11-30 00:19:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 953 transitions. [2020-11-30 00:19:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 00:19:32,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:32,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:32,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 675 states and 965 transitions. [2020-11-30 00:19:32,267 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 965 transitions. [2020-11-30 00:19:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-30 00:19:32,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 790 states and 1100 transitions. [2020-11-30 00:19:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1100 transitions. [2020-11-30 00:19:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-30 00:19:35,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:19:35,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 793 states and 1104 transitions. [2020-11-30 00:19:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1104 transitions. [2020-11-30 00:19:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 00:19:35,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:19:36,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:36,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 821 states and 1135 transitions. [2020-11-30 00:19:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1135 transitions. [2020-11-30 00:19:36,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-11-30 00:19:36,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:36,640 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:36,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 827 states and 1144 transitions. [2020-11-30 00:19:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1144 transitions. [2020-11-30 00:19:36,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-11-30 00:19:36,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-11-30 00:19:36,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:36,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 830 states and 1147 transitions. [2020-11-30 00:19:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1147 transitions. [2020-11-30 00:19:36,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:19:36,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:38,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 875 states and 1197 transitions. [2020-11-30 00:19:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1197 transitions. [2020-11-30 00:19:38,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:19:38,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:38,667 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:39,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 919 states and 1247 transitions. [2020-11-30 00:19:39,881 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1247 transitions. [2020-11-30 00:19:39,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:19:39,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:19:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 920 states and 1249 transitions. [2020-11-30 00:19:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1249 transitions. [2020-11-30 00:19:40,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:19:40,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:19:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:40,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 925 states and 1254 transitions. [2020-11-30 00:19:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1254 transitions. [2020-11-30 00:19:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:19:40,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:19:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:42,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 971 states and 1304 transitions. [2020-11-30 00:19:42,424 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1304 transitions. [2020-11-30 00:19:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-30 00:19:42,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:19:43,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1041 states and 1376 transitions. [2020-11-30 00:19:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1376 transitions. [2020-11-30 00:19:43,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:19:43,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:45,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:45,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1045 states and 1383 transitions. [2020-11-30 00:19:45,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1383 transitions. [2020-11-30 00:19:45,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:19:45,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1055 states and 1394 transitions. [2020-11-30 00:19:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1394 transitions. [2020-11-30 00:19:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:19:45,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:19:46,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1074 states and 1416 transitions. [2020-11-30 00:19:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1416 transitions. [2020-11-30 00:19:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:19:46,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:19:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:47,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1093 states and 1438 transitions. [2020-11-30 00:19:47,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1438 transitions. [2020-11-30 00:19:47,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 00:19:47,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-30 00:19:48,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1106 states and 1454 transitions. [2020-11-30 00:19:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 1454 transitions. [2020-11-30 00:19:48,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-30 00:19:48,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-11-30 00:19:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1158 states and 1514 transitions. [2020-11-30 00:19:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1514 transitions. [2020-11-30 00:19:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-30 00:19:50,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:19:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1163 states and 1520 transitions. [2020-11-30 00:19:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1520 transitions. [2020-11-30 00:19:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-30 00:19:51,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:19:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:53,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1194 states and 1556 transitions. [2020-11-30 00:19:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1556 transitions. [2020-11-30 00:19:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 00:19:53,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1199 states and 1562 transitions. [2020-11-30 00:19:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1562 transitions. [2020-11-30 00:19:53,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 00:19:53,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:54,443 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:59,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:19:59,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1261 states and 1639 transitions. [2020-11-30 00:19:59,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1639 transitions. [2020-11-30 00:19:59,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 00:19:59,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:19:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:59,862 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1262 states and 1640 transitions. [2020-11-30 00:20:00,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1640 transitions. [2020-11-30 00:20:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 00:20:00,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:00,554 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:01,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1270 states and 1650 transitions. [2020-11-30 00:20:01,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1650 transitions. [2020-11-30 00:20:01,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 00:20:01,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:01,757 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:20:04,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1291 states and 1679 transitions. [2020-11-30 00:20:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1679 transitions. [2020-11-30 00:20:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-30 00:20:04,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-30 00:20:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1302 states and 1691 transitions. [2020-11-30 00:20:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1691 transitions. [2020-11-30 00:20:04,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 00:20:04,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1442 states and 1851 transitions. [2020-11-30 00:20:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1851 transitions. [2020-11-30 00:20:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-30 00:20:12,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:12,894 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 00:20:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:15,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1464 states and 1885 transitions. [2020-11-30 00:20:15,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1885 transitions. [2020-11-30 00:20:15,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-30 00:20:15,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-30 00:20:16,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1484 states and 1910 transitions. [2020-11-30 00:20:16,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1910 transitions. [2020-11-30 00:20:16,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-11-30 00:20:16,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:20:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:17,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1497 states and 1926 transitions. [2020-11-30 00:20:17,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1926 transitions. [2020-11-30 00:20:17,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 00:20:17,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:18,045 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 00:20:18,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1498 states and 1926 transitions. [2020-11-30 00:20:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1926 transitions. [2020-11-30 00:20:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 00:20:18,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:20:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1499 states and 1927 transitions. [2020-11-30 00:20:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1927 transitions. [2020-11-30 00:20:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-30 00:20:18,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:18,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:20:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1503 states and 1933 transitions. [2020-11-30 00:20:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1933 transitions. [2020-11-30 00:20:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-11-30 00:20:19,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:19,134 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:20:19,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 1512 states and 1943 transitions. [2020-11-30 00:20:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 1943 transitions. [2020-11-30 00:20:19,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 00:20:19,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:19,605 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:20:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:19,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1515 states and 1946 transitions. [2020-11-30 00:20:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1946 transitions. [2020-11-30 00:20:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-30 00:20:19,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:19,935 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-11-30 00:20:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 1518 states and 1949 transitions. [2020-11-30 00:20:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1949 transitions. [2020-11-30 00:20:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 00:20:20,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-30 00:20:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:21,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1968 states to 1535 states and 1968 transitions. [2020-11-30 00:20:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1968 transitions. [2020-11-30 00:20:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 00:20:21,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:21,653 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-30 00:20:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1543 states and 1977 transitions. [2020-11-30 00:20:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1977 transitions. [2020-11-30 00:20:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-30 00:20:22,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:22,449 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-30 00:20:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1554 states and 1989 transitions. [2020-11-30 00:20:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1989 transitions. [2020-11-30 00:20:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-30 00:20:22,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-30 00:20:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1564 states and 2002 transitions. [2020-11-30 00:20:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2002 transitions. [2020-11-30 00:20:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-30 00:20:24,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-30 00:20:24,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:24,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 1573 states and 2014 transitions. [2020-11-30 00:20:24,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2014 transitions. [2020-11-30 00:20:24,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-11-30 00:20:24,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:25,355 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 96 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:20:30,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 1634 states and 2089 transitions. [2020-11-30 00:20:30,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2089 transitions. [2020-11-30 00:20:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-11-30 00:20:30,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 80 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:20:35,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:35,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1643 states and 2115 transitions. [2020-11-30 00:20:35,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2115 transitions. [2020-11-30 00:20:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-30 00:20:35,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 00:20:39,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:39,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1665 states and 2145 transitions. [2020-11-30 00:20:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2145 transitions. [2020-11-30 00:20:39,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:20:39,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:20:41,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1695 states and 2177 transitions. [2020-11-30 00:20:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2177 transitions. [2020-11-30 00:20:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:20:41,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:20:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1711 states and 2201 transitions. [2020-11-30 00:20:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2201 transitions. [2020-11-30 00:20:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:20:44,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:20:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1719 states and 2209 transitions. [2020-11-30 00:20:45,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2209 transitions. [2020-11-30 00:20:45,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:20:45,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:20:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 1720 states and 2212 transitions. [2020-11-30 00:20:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 2212 transitions. [2020-11-30 00:20:45,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:20:45,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:20:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:47,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1730 states and 2224 transitions. [2020-11-30 00:20:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 2224 transitions. [2020-11-30 00:20:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:20:47,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:20:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1731 states and 2225 transitions. [2020-11-30 00:20:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2225 transitions. [2020-11-30 00:20:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:20:48,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:20:48,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1732 states and 2226 transitions. [2020-11-30 00:20:48,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2226 transitions. [2020-11-30 00:20:48,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:20:48,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:50,294 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:20:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:20:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1770 states and 2285 transitions. [2020-11-30 00:20:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2285 transitions. [2020-11-30 00:20:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:20:58,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:20:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:20:58,992 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:21:03,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:03,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1790 states and 2312 transitions. [2020-11-30 00:21:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2312 transitions. [2020-11-30 00:21:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:21:03,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:03,241 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:21:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:04,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1795 states and 2318 transitions. [2020-11-30 00:21:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 2318 transitions. [2020-11-30 00:21:04,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:21:04,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:21:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1799 states and 2321 transitions. [2020-11-30 00:21:05,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2321 transitions. [2020-11-30 00:21:05,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:21:05,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 27 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:21:06,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 1801 states and 2324 transitions. [2020-11-30 00:21:06,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2324 transitions. [2020-11-30 00:21:06,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-30 00:21:06,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-30 00:21:10,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:10,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 1813 states and 2340 transitions. [2020-11-30 00:21:10,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2340 transitions. [2020-11-30 00:21:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-30 00:21:10,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-30 00:21:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1818 states and 2344 transitions. [2020-11-30 00:21:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2344 transitions. [2020-11-30 00:21:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-30 00:21:11,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 105 proven. 22 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:21:13,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1836 states and 2364 transitions. [2020-11-30 00:21:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2364 transitions. [2020-11-30 00:21:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-30 00:21:13,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:13,734 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 96 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:21:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:21,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 1868 states and 2417 transitions. [2020-11-30 00:21:21,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2417 transitions. [2020-11-30 00:21:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-30 00:21:21,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 00:21:22,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:22,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 1870 states and 2421 transitions. [2020-11-30 00:21:22,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2421 transitions. [2020-11-30 00:21:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-30 00:21:22,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-30 00:21:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:25,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 1886 states and 2441 transitions. [2020-11-30 00:21:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2441 transitions. [2020-11-30 00:21:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-30 00:21:25,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-11-30 00:21:26,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:26,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 1910 states and 2465 transitions. [2020-11-30 00:21:26,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2465 transitions. [2020-11-30 00:21:26,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-30 00:21:26,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 00:21:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 1915 states and 2473 transitions. [2020-11-30 00:21:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2473 transitions. [2020-11-30 00:21:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-30 00:21:27,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-11-30 00:21:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:31,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 1929 states and 2491 transitions. [2020-11-30 00:21:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 2491 transitions. [2020-11-30 00:21:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-30 00:21:31,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 00:21:31,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 1947 states and 2510 transitions. [2020-11-30 00:21:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2510 transitions. [2020-11-30 00:21:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-11-30 00:21:31,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 133 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:21:38,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 1983 states and 2552 transitions. [2020-11-30 00:21:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2552 transitions. [2020-11-30 00:21:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-11-30 00:21:38,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-30 00:21:41,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 1994 states and 2566 transitions. [2020-11-30 00:21:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2566 transitions. [2020-11-30 00:21:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-30 00:21:41,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:41,216 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-11-30 00:21:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:48,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2025 states and 2613 transitions. [2020-11-30 00:21:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2613 transitions. [2020-11-30 00:21:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-11-30 00:21:48,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:48,814 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 00:21:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2028 states and 2615 transitions. [2020-11-30 00:21:49,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2615 transitions. [2020-11-30 00:21:49,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 00:21:49,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:21:57,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:21:57,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2057 states and 2655 transitions. [2020-11-30 00:21:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 2655 transitions. [2020-11-30 00:21:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 00:21:57,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:21:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:21:57,896 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:22:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:00,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2066 states and 2665 transitions. [2020-11-30 00:22:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2665 transitions. [2020-11-30 00:22:00,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 00:22:00,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:22:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2086 states and 2692 transitions. [2020-11-30 00:22:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2692 transitions. [2020-11-30 00:22:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 00:22:00,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:22:05,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 2102 states and 2715 transitions. [2020-11-30 00:22:05,062 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2715 transitions. [2020-11-30 00:22:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 00:22:05,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:05,138 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:22:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2138 states and 2757 transitions. [2020-11-30 00:22:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2757 transitions. [2020-11-30 00:22:08,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 00:22:08,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:08,516 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:22:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:09,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 2146 states and 2765 transitions. [2020-11-30 00:22:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2765 transitions. [2020-11-30 00:22:09,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 00:22:09,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-11-30 00:22:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2154 states and 2773 transitions. [2020-11-30 00:22:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2773 transitions. [2020-11-30 00:22:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 00:22:11,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:11,900 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-11-30 00:22:12,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 2159 states and 2777 transitions. [2020-11-30 00:22:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2777 transitions. [2020-11-30 00:22:12,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-30 00:22:12,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:22:13,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:13,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2180 states and 2798 transitions. [2020-11-30 00:22:13,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2798 transitions. [2020-11-30 00:22:13,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 00:22:13,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 126 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2201 states and 2818 transitions. [2020-11-30 00:22:17,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 2818 transitions. [2020-11-30 00:22:17,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 00:22:17,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 126 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2202 states and 2818 transitions. [2020-11-30 00:22:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2818 transitions. [2020-11-30 00:22:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 00:22:17,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 126 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 2208 states and 2823 transitions. [2020-11-30 00:22:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 2823 transitions. [2020-11-30 00:22:18,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-30 00:22:18,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 126 proven. 46 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:20,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:20,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2210 states and 2824 transitions. [2020-11-30 00:22:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2824 transitions. [2020-11-30 00:22:20,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-11-30 00:22:20,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 00:22:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:21,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2211 states and 2824 transitions. [2020-11-30 00:22:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 2824 transitions. [2020-11-30 00:22:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 00:22:21,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:21,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:21,399 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-30 00:22:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2229 states and 2846 transitions. [2020-11-30 00:22:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2846 transitions. [2020-11-30 00:22:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 00:22:24,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-30 00:22:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2243 states and 2865 transitions. [2020-11-30 00:22:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 2865 transitions. [2020-11-30 00:22:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 00:22:29,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:29,918 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-30 00:22:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:31,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2252 states and 2873 transitions. [2020-11-30 00:22:31,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2873 transitions. [2020-11-30 00:22:31,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 00:22:31,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-11-30 00:22:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2890 states to 2270 states and 2890 transitions. [2020-11-30 00:22:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2890 transitions. [2020-11-30 00:22:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-30 00:22:33,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-11-30 00:22:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2283 states and 2903 transitions. [2020-11-30 00:22:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2903 transitions. [2020-11-30 00:22:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-11-30 00:22:33,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:33,520 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 00:22:38,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2310 states and 2936 transitions. [2020-11-30 00:22:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 2936 transitions. [2020-11-30 00:22:38,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-11-30 00:22:38,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:38,947 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-11-30 00:22:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:40,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2318 states and 2944 transitions. [2020-11-30 00:22:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2944 transitions. [2020-11-30 00:22:40,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 00:22:40,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:45,668 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-11-30 00:22:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:48,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3010 states to 2376 states and 3010 transitions. [2020-11-30 00:22:48,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3010 transitions. [2020-11-30 00:22:48,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 00:22:48,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:48,438 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3038 states to 2403 states and 3038 transitions. [2020-11-30 00:22:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 3038 transitions. [2020-11-30 00:22:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 00:22:49,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:52,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:52,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 2433 states and 3068 transitions. [2020-11-30 00:22:52,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 3068 transitions. [2020-11-30 00:22:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 00:22:52,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:52,404 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 2439 states and 3075 transitions. [2020-11-30 00:22:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3075 transitions. [2020-11-30 00:22:54,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-11-30 00:22:54,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:22:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:22:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3078 states to 2442 states and 3078 transitions. [2020-11-30 00:22:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 3078 transitions. [2020-11-30 00:22:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-30 00:22:55,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:22:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:22:56,060 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:23:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:02,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 2461 states and 3101 transitions. [2020-11-30 00:23:02,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 3101 transitions. [2020-11-30 00:23:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-30 00:23:02,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-11-30 00:23:10,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 2493 states and 3138 transitions. [2020-11-30 00:23:10,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3138 transitions. [2020-11-30 00:23:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-30 00:23:10,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-30 00:23:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2510 states and 3160 transitions. [2020-11-30 00:23:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 3160 transitions. [2020-11-30 00:23:16,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-30 00:23:16,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-11-30 00:23:17,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2512 states and 3161 transitions. [2020-11-30 00:23:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 3161 transitions. [2020-11-30 00:23:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-30 00:23:18,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 134 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:23:25,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 2539 states and 3200 transitions. [2020-11-30 00:23:25,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 3200 transitions. [2020-11-30 00:23:25,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-30 00:23:25,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 129 proven. 52 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:23:39,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 2577 states and 3248 transitions. [2020-11-30 00:23:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3248 transitions. [2020-11-30 00:23:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-30 00:23:39,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:23:42,094 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-30 00:23:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 2612 states and 3289 transitions. [2020-11-30 00:23:50,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 3289 transitions. [2020-11-30 00:23:50,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-30 00:23:50,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:50,385 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:23:50,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:50,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2627 states and 3303 transitions. [2020-11-30 00:23:50,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 3303 transitions. [2020-11-30 00:23:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-11-30 00:23:50,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 159 proven. 35 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:23:52,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:52,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2635 states and 3311 transitions. [2020-11-30 00:23:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 3311 transitions. [2020-11-30 00:23:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-11-30 00:23:52,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:53,008 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 00:23:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:23:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2666 states and 3349 transitions. [2020-11-30 00:23:59,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 3349 transitions. [2020-11-30 00:23:59,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 00:23:59,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:23:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:23:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-11-30 00:24:03,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 2707 states and 3393 transitions. [2020-11-30 00:24:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 3393 transitions. [2020-11-30 00:24:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 00:24:03,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-11-30 00:24:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 2721 states and 3407 transitions. [2020-11-30 00:24:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3407 transitions. [2020-11-30 00:24:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-30 00:24:05,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:05,858 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-11-30 00:24:10,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 2730 states and 3417 transitions. [2020-11-30 00:24:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3417 transitions. [2020-11-30 00:24:10,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-30 00:24:10,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:24:12,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:12,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 2731 states and 3417 transitions. [2020-11-30 00:24:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3417 transitions. [2020-11-30 00:24:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-30 00:24:12,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:12,575 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-11-30 00:24:14,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:14,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 2732 states and 3417 transitions. [2020-11-30 00:24:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3417 transitions. [2020-11-30 00:24:14,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-30 00:24:14,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 00:24:17,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 2736 states and 3421 transitions. [2020-11-30 00:24:17,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3421 transitions. [2020-11-30 00:24:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-11-30 00:24:17,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:17,510 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-30 00:24:19,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3430 states to 2747 states and 3430 transitions. [2020-11-30 00:24:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 3430 transitions. [2020-11-30 00:24:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-30 00:24:19,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:19,514 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 00:24:19,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 2768 states and 3451 transitions. [2020-11-30 00:24:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 3451 transitions. [2020-11-30 00:24:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-30 00:24:19,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:24:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:31,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 2856 states and 3548 transitions. [2020-11-30 00:24:31,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 3548 transitions. [2020-11-30 00:24:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-30 00:24:31,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-30 00:24:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:33,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 2857 states and 3551 transitions. [2020-11-30 00:24:33,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 3551 transitions. [2020-11-30 00:24:33,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-11-30 00:24:33,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-30 00:24:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 2998 states and 3710 transitions. [2020-11-30 00:24:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3710 transitions. [2020-11-30 00:24:46,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-30 00:24:46,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:46,479 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2020-11-30 00:24:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3806 states to 3068 states and 3806 transitions. [2020-11-30 00:24:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3806 transitions. [2020-11-30 00:24:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-30 00:24:53,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-30 00:24:57,416 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-11-30 00:24:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:24:59,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3078 states and 3818 transitions. [2020-11-30 00:24:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3818 transitions. [2020-11-30 00:24:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-30 00:24:59,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:24:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:24:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-30 00:25:00,551 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2020-11-30 00:25:11,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3097 states and 3842 transitions. [2020-11-30 00:25:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 3842 transitions. [2020-11-30 00:25:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-30 00:25:11,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2020-11-30 00:25:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3106 states and 3854 transitions. [2020-11-30 00:25:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 3854 transitions. [2020-11-30 00:25:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-30 00:25:16,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-11-30 00:25:18,277 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2020-11-30 00:25:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:20,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 3110 states and 3857 transitions. [2020-11-30 00:25:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 3857 transitions. [2020-11-30 00:25:20,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-30 00:25:20,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:20,373 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-11-30 00:25:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:21,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3112 states and 3858 transitions. [2020-11-30 00:25:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 3858 transitions. [2020-11-30 00:25:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-30 00:25:21,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 248 proven. 26 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 00:25:29,167 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-11-30 00:25:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 3122 states and 3868 transitions. [2020-11-30 00:25:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 3868 transitions. [2020-11-30 00:25:31,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-30 00:25:31,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:31,503 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 248 proven. 26 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 00:25:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3139 states and 3889 transitions. [2020-11-30 00:25:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 3889 transitions. [2020-11-30 00:25:42,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-30 00:25:42,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:42,309 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 248 proven. 26 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-11-30 00:25:44,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:25:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 3141 states and 3893 transitions. [2020-11-30 00:25:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 3141 states and 3893 transitions. [2020-11-30 00:25:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:25:44,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:25:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:25:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:25:53,610 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-11-30 00:25:54,040 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-30 00:25:56,583 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2020-11-30 00:25:58,850 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2020-11-30 00:26:00,831 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2020-11-30 00:26:09,362 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2020-11-30 00:26:11,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:26:11,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3966 states to 3186 states and 3966 transitions. [2020-11-30 00:26:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 3186 states and 3966 transitions. [2020-11-30 00:26:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:26:11,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:26:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:26:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:26:11,908 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 22 [2020-11-30 00:26:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:26:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3199 states and 3979 transitions. [2020-11-30 00:26:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3979 transitions. [2020-11-30 00:26:13,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:26:13,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:26:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:26:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:26:16,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:26:16,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 3212 states and 3992 transitions. [2020-11-30 00:26:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3212 states and 3992 transitions. [2020-11-30 00:26:16,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:26:16,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:26:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:26:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 235 proven. 92 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:26:18,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:26:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4000 states to 3220 states and 4000 transitions. [2020-11-30 00:26:18,687 INFO L276 IsEmpty]: Start isEmpty. Operand 3220 states and 4000 transitions. [2020-11-30 00:26:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-30 00:26:18,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:26:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:26:18,797 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 101 proven. 156 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2020-11-30 00:26:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:26:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 3230 states and 4009 transitions. [2020-11-30 00:26:21,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3230 states and 4009 transitions. [2020-11-30 00:26:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-30 00:26:21,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:26:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:26:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 00:26:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:26:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3996 states to 3204 states and 3996 transitions. [2020-11-30 00:26:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 3996 transitions. [2020-11-30 00:26:26,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:26:26,172 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 177 iterations. [2020-11-30 00:26:26,179 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:26:26,671 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 19 [2020-11-30 00:26:26,936 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-11-30 00:26:27,509 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 19 [2020-11-30 00:26:27,831 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-11-30 00:26:28,364 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:29,254 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 19 [2020-11-30 00:26:29,582 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2020-11-30 00:26:30,242 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 19 [2020-11-30 00:26:30,781 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 00:26:31,333 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:31,856 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:32,123 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 19 [2020-11-30 00:26:32,466 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 00:26:32,944 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2020-11-30 00:26:33,482 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:33,859 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2020-11-30 00:26:34,471 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:35,283 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2020-11-30 00:26:35,699 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2020-11-30 00:26:36,440 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-11-30 00:26:36,905 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 00:26:37,411 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:38,056 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2020-11-30 00:26:38,414 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-11-30 00:26:39,288 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2020-11-30 00:26:40,184 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 19 [2020-11-30 00:26:40,583 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-11-30 00:26:41,398 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 19 [2020-11-30 00:26:41,924 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 19 [2020-11-30 00:26:42,637 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 19 [2020-11-30 00:26:43,047 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 19 [2020-11-30 00:26:43,404 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2020-11-30 00:26:44,254 WARN L193 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2020-11-30 00:26:45,098 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:45,521 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2020-11-30 00:26:46,031 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 00:26:46,809 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 19 [2020-11-30 00:26:47,387 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2020-11-30 00:26:48,193 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2020-11-30 00:26:48,562 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-11-30 00:26:49,131 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 19 [2020-11-30 00:26:49,495 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-11-30 00:26:50,172 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 19 [2020-11-30 00:26:50,641 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 19 [2020-11-30 00:26:51,440 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 19 [2020-11-30 00:26:52,286 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 19 [2020-11-30 00:26:53,076 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 19 [2020-11-30 00:26:53,463 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 00:26:54,219 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 19 [2020-11-30 00:26:55,110 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2020-11-30 00:26:55,761 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:26:56,403 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 19 [2020-11-30 00:26:57,263 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 19 [2020-11-30 00:26:57,838 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 19 [2020-11-30 00:26:58,526 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 19 [2020-11-30 00:26:59,265 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 19 [2020-11-30 00:26:59,621 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 19 [2020-11-30 00:27:00,520 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2020-11-30 00:27:01,333 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 19 [2020-11-30 00:27:02,020 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2020-11-30 00:27:02,331 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 00:27:02,857 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 19 [2020-11-30 00:27:03,533 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 19 [2020-11-30 00:27:04,547 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 139 DAG size of output: 19 [2020-11-30 00:27:05,483 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 19 [2020-11-30 00:27:05,838 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2020-11-30 00:27:06,657 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 19 [2020-11-30 00:27:07,044 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2020-11-30 00:27:07,733 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 19 [2020-11-30 00:27:08,161 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 19 [2020-11-30 00:27:08,762 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2020-11-30 00:27:08,763 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 00:27:08,790 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:27:08,790 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-11-30 00:27:08,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:27:08 ImpRootNode [2020-11-30 00:27:08,791 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:27:08,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:27:08,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:27:08,792 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:27:08,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:08" (3/4) ... [2020-11-30 00:27:08,796 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:27:08,828 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2020-11-30 00:27:08,830 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2020-11-30 00:27:08,833 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-30 00:27:08,835 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:27:08,997 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b025364c-ce22-4b96-b595-d322b2808f00/bin/ukojak/witness.graphml [2020-11-30 00:27:08,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:27:08,999 INFO L168 Benchmark]: Toolchain (without parser) took 484340.91 ms. Allocated memory was 92.3 MB in the beginning and 3.8 GB in the end (delta: 3.7 GB). Free memory was 62.1 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2020-11-30 00:27:08,999 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:27:09,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 792.49 ms. Allocated memory is still 92.3 MB. Free memory was 61.9 MB in the beginning and 52.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:27:09,000 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.30 ms. Allocated memory is still 92.3 MB. Free memory was 52.9 MB in the beginning and 47.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:27:09,001 INFO L168 Benchmark]: Boogie Preprocessor took 75.73 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 47.3 MB in the beginning and 85.0 MB in the end (delta: -37.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:27:09,002 INFO L168 Benchmark]: RCFGBuilder took 2762.44 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 85.0 MB in the beginning and 110.9 MB in the end (delta: -25.9 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:27:09,003 INFO L168 Benchmark]: CodeCheck took 480386.75 ms. Allocated memory was 144.7 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 109.8 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-11-30 00:27:09,003 INFO L168 Benchmark]: Witness Printer took 205.67 ms. Allocated memory is still 3.8 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:27:09,006 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: 437.7s, OverallIterations: 177, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34930692 SDtfs, 694682814 SDslu, 571998754 SDs, 0 SdLazy, -1929138316 SolverSat, 1939370944 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1724.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195342 GetRequests, 187884 SyntacticMatches, 5866 SemanticMatches, 1592 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1678106 ImplicationChecksByTransitivity, 376.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 22.6s InterpolantComputationTime, 26715 NumberOfCodeBlocks, 26715 NumberOfCodeBlocksAsserted, 176 NumberOfCheckSat, 26539 ConstructedInterpolants, 0 QuantifiedInterpolants, 16177241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 176 InterpolantComputations, 140 PerfectInterpolantSequences, 20875/22489 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: ((((a16 == 6 || !(a17 == 1)) || !(a21 == 1)) || a16 == 4) || !(a7 == 1)) || !(a20 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((a16 == 6 || !(a17 == 1)) || !(a21 == 1)) || a16 == 4) || !(a7 == 1)) || !(a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 50.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 792.49 ms. Allocated memory is still 92.3 MB. Free memory was 61.9 MB in the beginning and 52.9 MB in the end (delta: 9.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.30 ms. Allocated memory is still 92.3 MB. Free memory was 52.9 MB in the beginning and 47.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.73 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 47.3 MB in the beginning and 85.0 MB in the end (delta: -37.8 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2762.44 ms. Allocated memory was 113.2 MB in the beginning and 144.7 MB in the end (delta: 31.5 MB). Free memory was 85.0 MB in the beginning and 110.9 MB in the end (delta: -25.9 MB). Peak memory consumption was 63.0 MB. Max. memory is 16.1 GB. * CodeCheck took 480386.75 ms. Allocated memory was 144.7 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 109.8 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 205.67 ms. Allocated memory is still 3.8 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...