./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/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 dff38b51b1de7526048bae26727d53fc2650a201 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:42:35,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:42:35,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:42:35,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:42:35,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:42:35,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:42:35,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:42:35,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:42:35,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:42:35,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:42:35,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:42:35,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:42:35,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:42:35,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:42:35,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:42:35,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:42:35,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:42:35,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:42:35,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:42:35,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:42:35,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:42:35,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:42:35,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:42:35,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:42:35,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:42:35,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:42:35,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:42:35,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:42:35,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:42:35,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:42:35,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:42:35,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:42:35,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:42:35,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:42:35,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:42:35,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:42:35,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:42:35,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:42:35,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:42:35,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:42:35,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:42:35,730 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:42:35,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:42:35,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:42:35,777 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:42:35,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:42:35,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:42:35,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:42:35,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:42:35,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:42:35,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:42:35,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:42:35,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:42:35,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:42:35,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:42:35,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:42:35,785 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:42:35,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:42:35,786 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:42:35,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:42:35,786 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:42:35,786 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:42:35,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:42:35,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:42:35,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:42:35,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:42:35,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:42:35,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:42:35,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:42:35,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:42:35,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:42:35,791 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_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dff38b51b1de7526048bae26727d53fc2650a201 [2020-12-01 17:42:36,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:42:36,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:42:36,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:42:36,214 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:42:36,215 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:42:36,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2020-12-01 17:42:36,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/data/505d8e839/394e4c86e8ec43bba56a78be58662423/FLAGdef42c329 [2020-12-01 17:42:37,201 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:42:37,202 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/sv-benchmarks/c/eca-rers2012/Problem01_label19.c [2020-12-01 17:42:37,217 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/data/505d8e839/394e4c86e8ec43bba56a78be58662423/FLAGdef42c329 [2020-12-01 17:42:37,341 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/data/505d8e839/394e4c86e8ec43bba56a78be58662423 [2020-12-01 17:42:37,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:42:37,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:42:37,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:42:37,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:42:37,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:42:37,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:42:37" (1/1) ... [2020-12-01 17:42:37,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db30e5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:37, skipping insertion in model container [2020-12-01 17:42:37,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:42:37" (1/1) ... [2020-12-01 17:42:37,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:42:37,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:42:37,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:42:38,002 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:42:38,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:42:38,190 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:42:38,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38 WrapperNode [2020-12-01 17:42:38,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:42:38,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:42:38,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:42:38,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:42:38,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:42:38,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:42:38,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:42:38,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:42:38,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... [2020-12-01 17:42:38,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:42:38,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:42:38,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:42:38,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:42:38,396 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:42:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:42:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:42:38,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:42:38,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:42:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:42:41,280 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:42:41,280 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 17:42:41,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:42:41 BoogieIcfgContainer [2020-12-01 17:42:41,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:42:41,286 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:42:41,287 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:42:41,305 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:42:41,305 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:42:41" (1/1) ... [2020-12-01 17:42:41,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:42:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:41,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-12-01 17:42:41,377 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-12-01 17:42:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 17:42:41,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:41,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:42,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:42,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 145 states and 261 transitions. [2020-12-01 17:42:42,744 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 261 transitions. [2020-12-01 17:42:42,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 17:42:42,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:44,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 215 states and 339 transitions. [2020-12-01 17:42:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 339 transitions. [2020-12-01 17:42:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 17:42:44,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:44,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 220 states and 347 transitions. [2020-12-01 17:42:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 347 transitions. [2020-12-01 17:42:44,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 17:42:44,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:45,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 290 states and 419 transitions. [2020-12-01 17:42:45,201 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 419 transitions. [2020-12-01 17:42:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 17:42:45,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:45,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 306 states and 439 transitions. [2020-12-01 17:42:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 439 transitions. [2020-12-01 17:42:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 17:42:45,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:45,863 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:46,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 316 states and 452 transitions. [2020-12-01 17:42:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 452 transitions. [2020-12-01 17:42:46,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-01 17:42:46,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 343 states and 485 transitions. [2020-12-01 17:42:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 485 transitions. [2020-12-01 17:42:47,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 17:42:47,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 366 states and 511 transitions. [2020-12-01 17:42:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 511 transitions. [2020-12-01 17:42:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 17:42:47,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 377 states and 527 transitions. [2020-12-01 17:42:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 527 transitions. [2020-12-01 17:42:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 17:42:48,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:49,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 387 states and 538 transitions. [2020-12-01 17:42:49,028 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 538 transitions. [2020-12-01 17:42:49,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 17:42:49,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:49,105 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:49,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:49,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 392 states and 543 transitions. [2020-12-01 17:42:49,329 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 543 transitions. [2020-12-01 17:42:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 17:42:49,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:49,400 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:42:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 403 states and 558 transitions. [2020-12-01 17:42:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 558 transitions. [2020-12-01 17:42:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 17:42:50,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:42:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 432 states and 590 transitions. [2020-12-01 17:42:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 590 transitions. [2020-12-01 17:42:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 17:42:50,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:42:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 437 states and 595 transitions. [2020-12-01 17:42:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 595 transitions. [2020-12-01 17:42:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-01 17:42:51,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:51,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 448 states and 608 transitions. [2020-12-01 17:42:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 608 transitions. [2020-12-01 17:42:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 17:42:51,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:42:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 467 states and 628 transitions. [2020-12-01 17:42:52,497 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 628 transitions. [2020-12-01 17:42:52,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 17:42:52,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:42:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 471 states and 633 transitions. [2020-12-01 17:42:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 633 transitions. [2020-12-01 17:42:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-01 17:42:53,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:42:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 479 states and 644 transitions. [2020-12-01 17:42:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 644 transitions. [2020-12-01 17:42:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-01 17:42:53,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:42:53,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 483 states and 648 transitions. [2020-12-01 17:42:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 648 transitions. [2020-12-01 17:42:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 17:42:53,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:53,763 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:54,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 494 states and 664 transitions. [2020-12-01 17:42:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 664 transitions. [2020-12-01 17:42:54,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 17:42:54,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:55,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:55,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 504 states and 675 transitions. [2020-12-01 17:42:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 675 transitions. [2020-12-01 17:42:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-01 17:42:55,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:55,234 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:42:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:55,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 509 states and 680 transitions. [2020-12-01 17:42:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 680 transitions. [2020-12-01 17:42:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-01 17:42:55,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:42:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:56,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 550 states and 726 transitions. [2020-12-01 17:42:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 726 transitions. [2020-12-01 17:42:56,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 17:42:56,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:42:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 565 states and 745 transitions. [2020-12-01 17:42:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 745 transitions. [2020-12-01 17:42:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-01 17:42:57,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:42:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 579 states and 760 transitions. [2020-12-01 17:42:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 760 transitions. [2020-12-01 17:42:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 17:42:58,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:58,070 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:42:58,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:58,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 593 states and 774 transitions. [2020-12-01 17:42:58,433 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 774 transitions. [2020-12-01 17:42:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-01 17:42:58,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:42:58,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:58,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 607 states and 788 transitions. [2020-12-01 17:42:58,918 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 788 transitions. [2020-12-01 17:42:58,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-12-01 17:42:58,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:42:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:59,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 621 states and 802 transitions. [2020-12-01 17:42:59,399 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 802 transitions. [2020-12-01 17:42:59,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 17:42:59,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:42:59,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:42:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 624 states and 806 transitions. [2020-12-01 17:42:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 806 transitions. [2020-12-01 17:42:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:42:59,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:42:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:42:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:43:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:00,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 627 states and 810 transitions. [2020-12-01 17:43:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 810 transitions. [2020-12-01 17:43:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 17:43:00,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:43:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:00,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 630 states and 814 transitions. [2020-12-01 17:43:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 814 transitions. [2020-12-01 17:43:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:43:00,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:43:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:01,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 657 states and 845 transitions. [2020-12-01 17:43:01,595 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 845 transitions. [2020-12-01 17:43:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:43:01,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:43:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 686 states and 875 transitions. [2020-12-01 17:43:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 875 transitions. [2020-12-01 17:43:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-12-01 17:43:02,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 17:43:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:03,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 691 states and 880 transitions. [2020-12-01 17:43:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 880 transitions. [2020-12-01 17:43:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 17:43:03,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:03,353 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:03,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 723 states and 914 transitions. [2020-12-01 17:43:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 914 transitions. [2020-12-01 17:43:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 17:43:03,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:05,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 793 states and 993 transitions. [2020-12-01 17:43:05,072 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 993 transitions. [2020-12-01 17:43:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 17:43:05,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 830 states and 1031 transitions. [2020-12-01 17:43:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1031 transitions. [2020-12-01 17:43:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 17:43:05,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:05,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:05,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 867 states and 1072 transitions. [2020-12-01 17:43:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1072 transitions. [2020-12-01 17:43:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 17:43:05,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2020-12-01 17:43:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 885 states and 1091 transitions. [2020-12-01 17:43:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1091 transitions. [2020-12-01 17:43:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 17:43:06,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:43:06,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:06,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 886 states and 1091 transitions. [2020-12-01 17:43:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1091 transitions. [2020-12-01 17:43:06,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-12-01 17:43:06,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:06,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:43:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 925 states and 1132 transitions. [2020-12-01 17:43:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1132 transitions. [2020-12-01 17:43:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 17:43:07,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:43:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 973 states and 1186 transitions. [2020-12-01 17:43:09,920 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1186 transitions. [2020-12-01 17:43:09,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 17:43:09,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:43:10,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:10,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 978 states and 1191 transitions. [2020-12-01 17:43:10,296 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1191 transitions. [2020-12-01 17:43:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-12-01 17:43:10,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1049 states and 1262 transitions. [2020-12-01 17:43:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1262 transitions. [2020-12-01 17:43:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:43:12,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1114 states and 1350 transitions. [2020-12-01 17:43:14,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1350 transitions. [2020-12-01 17:43:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 17:43:14,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1178 states and 1421 transitions. [2020-12-01 17:43:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1421 transitions. [2020-12-01 17:43:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 17:43:17,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:17,183 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:43:17,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1180 states and 1424 transitions. [2020-12-01 17:43:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1424 transitions. [2020-12-01 17:43:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-12-01 17:43:17,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-12-01 17:43:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:18,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1181 states and 1424 transitions. [2020-12-01 17:43:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1424 transitions. [2020-12-01 17:43:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 17:43:18,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:43:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1222 states and 1467 transitions. [2020-12-01 17:43:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1467 transitions. [2020-12-01 17:43:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 17:43:19,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 17:43:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1262 states and 1509 transitions. [2020-12-01 17:43:20,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1509 transitions. [2020-12-01 17:43:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 17:43:20,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:20,878 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:21,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1301 states and 1551 transitions. [2020-12-01 17:43:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 1551 transitions. [2020-12-01 17:43:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-12-01 17:43:21,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:22,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1340 states and 1595 transitions. [2020-12-01 17:43:22,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1595 transitions. [2020-12-01 17:43:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 17:43:22,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 17:43:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1343 states and 1598 transitions. [2020-12-01 17:43:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1598 transitions. [2020-12-01 17:43:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-12-01 17:43:22,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 17:43:23,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:23,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1346 states and 1601 transitions. [2020-12-01 17:43:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1601 transitions. [2020-12-01 17:43:23,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 17:43:23,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 17:43:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:23,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1371 states and 1628 transitions. [2020-12-01 17:43:23,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1628 transitions. [2020-12-01 17:43:23,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-12-01 17:43:23,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 17:43:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1395 states and 1652 transitions. [2020-12-01 17:43:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1652 transitions. [2020-12-01 17:43:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:43:24,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:29,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1510 states and 1784 transitions. [2020-12-01 17:43:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1784 transitions. [2020-12-01 17:43:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 17:43:29,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 124 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:43:33,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:33,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1623 states and 1908 transitions. [2020-12-01 17:43:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 1908 transitions. [2020-12-01 17:43:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 17:43:33,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:33,562 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 17:43:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1667 states and 1960 transitions. [2020-12-01 17:43:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1960 transitions. [2020-12-01 17:43:36,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-12-01 17:43:36,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-12-01 17:43:39,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:39,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1713 states and 2013 transitions. [2020-12-01 17:43:39,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2013 transitions. [2020-12-01 17:43:39,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:43:39,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 17:43:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:40,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1732 states and 2031 transitions. [2020-12-01 17:43:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2031 transitions. [2020-12-01 17:43:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-12-01 17:43:40,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:40,385 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-12-01 17:43:41,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1751 states and 2049 transitions. [2020-12-01 17:43:41,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2049 transitions. [2020-12-01 17:43:41,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-12-01 17:43:41,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2020-12-01 17:43:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:42,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1821 states and 2121 transitions. [2020-12-01 17:43:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2121 transitions. [2020-12-01 17:43:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-12-01 17:43:42,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:42,732 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-12-01 17:43:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1823 states and 2123 transitions. [2020-12-01 17:43:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2123 transitions. [2020-12-01 17:43:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-12-01 17:43:42,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:43,168 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-12-01 17:43:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:43,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1824 states and 2123 transitions. [2020-12-01 17:43:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2123 transitions. [2020-12-01 17:43:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 17:43:43,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-12-01 17:43:44,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1825 states and 2125 transitions. [2020-12-01 17:43:44,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2125 transitions. [2020-12-01 17:43:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 17:43:44,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:44,303 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 250 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 17:43:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1826 states and 2125 transitions. [2020-12-01 17:43:44,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2125 transitions. [2020-12-01 17:43:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 17:43:44,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:43:48,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:48,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1865 states and 2165 transitions. [2020-12-01 17:43:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2165 transitions. [2020-12-01 17:43:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 17:43:48,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-12-01 17:43:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1904 states and 2205 transitions. [2020-12-01 17:43:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2205 transitions. [2020-12-01 17:43:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-01 17:43:50,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-12-01 17:43:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 1920 states and 2224 transitions. [2020-12-01 17:43:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2224 transitions. [2020-12-01 17:43:52,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-01 17:43:52,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-12-01 17:43:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:52,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1924 states and 2227 transitions. [2020-12-01 17:43:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2227 transitions. [2020-12-01 17:43:52,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-01 17:43:52,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 273 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-12-01 17:43:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:43:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 1962 states and 2265 transitions. [2020-12-01 17:43:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2265 transitions. [2020-12-01 17:43:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-12-01 17:43:53,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:43:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:43:54,771 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 385 proven. 83 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:44:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:02,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2114 states and 2437 transitions. [2020-12-01 17:44:02,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2437 transitions. [2020-12-01 17:44:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 17:44:02,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 356 proven. 86 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-12-01 17:44:08,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:08,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2266 states and 2606 transitions. [2020-12-01 17:44:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2606 transitions. [2020-12-01 17:44:08,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-12-01 17:44:08,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 400 proven. 88 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-12-01 17:44:10,266 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-01 17:44:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2340 states and 2685 transitions. [2020-12-01 17:44:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2685 transitions. [2020-12-01 17:44:11,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-01 17:44:11,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:11,509 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2020-12-01 17:44:13,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:13,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2370 states and 2721 transitions. [2020-12-01 17:44:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2721 transitions. [2020-12-01 17:44:13,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2020-12-01 17:44:13,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 434 proven. 103 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-12-01 17:44:15,882 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-01 17:44:16,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:16,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2497 states and 2857 transitions. [2020-12-01 17:44:16,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 2857 transitions. [2020-12-01 17:44:16,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 17:44:16,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:18,173 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 487 proven. 174 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 17:44:23,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 2567 states and 2941 transitions. [2020-12-01 17:44:23,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2941 transitions. [2020-12-01 17:44:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 17:44:23,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:24,165 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 487 proven. 174 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 17:44:27,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:27,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2600 states and 2979 transitions. [2020-12-01 17:44:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 2979 transitions. [2020-12-01 17:44:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2020-12-01 17:44:27,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 487 proven. 174 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-12-01 17:44:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:28,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2609 states and 2987 transitions. [2020-12-01 17:44:28,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 2987 transitions. [2020-12-01 17:44:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-12-01 17:44:28,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:44:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:44:29,472 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 614 proven. 153 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-12-01 17:44:34,751 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2020-12-01 17:44:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:44:35,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 2600 states and 2979 transitions. [2020-12-01 17:44:35,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 2979 transitions. [2020-12-01 17:44:35,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:44:35,858 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 82 iterations. [2020-12-01 17:44:35,867 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:44:36,405 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:44:36,761 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:37,218 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 32 [2020-12-01 17:44:37,536 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:37,989 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 32 [2020-12-01 17:44:38,402 WARN L197 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2020-12-01 17:44:38,759 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:39,184 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:44:39,510 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:40,046 WARN L197 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2020-12-01 17:44:40,502 WARN L197 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2020-12-01 17:44:40,873 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:41,453 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2020-12-01 17:44:41,921 WARN L197 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 32 [2020-12-01 17:44:42,392 WARN L197 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:42,836 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2020-12-01 17:44:43,271 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:44:43,593 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:44,034 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2020-12-01 17:44:44,410 WARN L197 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:44,862 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 32 [2020-12-01 17:44:45,308 WARN L197 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:44:45,659 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:46,191 WARN L197 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-12-01 17:44:46,673 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2020-12-01 17:44:47,024 WARN L197 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:47,465 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:44:47,981 WARN L197 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 32 [2020-12-01 17:44:48,393 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:44:48,727 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:49,327 WARN L197 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2020-12-01 17:44:49,774 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 32 [2020-12-01 17:44:50,143 WARN L197 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:50,509 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:50,928 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 32 [2020-12-01 17:44:51,039 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 8 [2020-12-01 17:44:51,582 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2020-12-01 17:44:51,995 WARN L197 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 32 [2020-12-01 17:44:52,367 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:52,848 WARN L197 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2020-12-01 17:44:53,183 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:53,663 WARN L197 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2020-12-01 17:44:53,996 WARN L197 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:54,444 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 32 [2020-12-01 17:44:54,903 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2020-12-01 17:44:55,304 WARN L197 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2020-12-01 17:44:55,646 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:44:56,255 WARN L197 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:44:56,685 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-12-01 17:44:57,125 WARN L197 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2020-12-01 17:44:57,573 WARN L197 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2020-12-01 17:44:57,972 WARN L197 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 32 [2020-12-01 17:44:58,451 WARN L197 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2020-12-01 17:44:58,867 WARN L197 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 32 [2020-12-01 17:44:59,325 WARN L197 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 32 [2020-12-01 17:44:59,678 WARN L197 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:45:00,198 WARN L197 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-12-01 17:45:00,617 WARN L197 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2020-12-01 17:45:01,095 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 32 [2020-12-01 17:45:01,470 WARN L197 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:45:01,957 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2020-12-01 17:45:02,445 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 32 [2020-12-01 17:45:02,989 WARN L197 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-12-01 17:45:03,495 WARN L197 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2020-12-01 17:45:03,825 WARN L197 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:45:04,295 WARN L197 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2020-12-01 17:45:04,634 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:45:04,903 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 32 [2020-12-01 17:45:05,235 WARN L197 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 32 [2020-12-01 17:45:05,695 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2020-12-01 17:45:05,695 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2020-12-01 17:45:05,718 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:45:05,719 INFO L569 CodeCheckObserver]: Invariant with dag size 32 [2020-12-01 17:45:05,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:45:05 ImpRootNode [2020-12-01 17:45:05,730 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:45:05,732 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:45:05,732 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:45:05,737 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:45:05,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:42:41" (3/4) ... [2020-12-01 17:45:05,742 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:45:05,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2020-12-01 17:45:05,800 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-12-01 17:45:05,802 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 17:45:05,805 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 17:45:06,001 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8b79f7e8-30e2-4d67-ae21-5d6597b8ac46/bin/ukojak/witness.graphml [2020-12-01 17:45:06,001 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:45:06,002 INFO L168 Benchmark]: Toolchain (without parser) took 148655.48 ms. Allocated memory was 86.0 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 58.3 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 426.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:45:06,003 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:45:06,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 843.26 ms. Allocated memory is still 86.0 MB. Free memory was 58.1 MB in the beginning and 59.0 MB in the end (delta: -928.4 kB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:45:06,004 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.16 ms. Allocated memory is still 86.0 MB. Free memory was 59.0 MB in the beginning and 53.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:45:06,004 INFO L168 Benchmark]: Boogie Preprocessor took 76.42 ms. Allocated memory is still 86.0 MB. Free memory was 53.3 MB in the beginning and 48.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:45:06,005 INFO L168 Benchmark]: RCFGBuilder took 2891.00 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 48.6 MB in the beginning and 56.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:45:06,006 INFO L168 Benchmark]: CodeCheck took 144444.91 ms. Allocated memory was 121.6 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 55.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-12-01 17:45:06,006 INFO L168 Benchmark]: Witness Printer took 269.66 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:45:06,009 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: 114.5s, OverallIterations: 82, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 202381832 SDtfs, 292714550 SDslu, 1374006896 SDs, 0 SdLazy, 1697886754 SolverSat, -1078153724 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 532.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95932 GetRequests, 92222 SyntacticMatches, 2988 SemanticMatches, 722 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357717 ImplicationChecksByTransitivity, 78.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 13989 NumberOfCodeBlocks, 13989 NumberOfCodeBlocksAsserted, 81 NumberOfCheckSat, 13908 ConstructedInterpolants, 0 QuantifiedInterpolants, 12557174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 81 InterpolantComputations, 68 PerfectInterpolantSequences, 14625/15881 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: (((((((((a21 == 1 && a12 == 8) && a8 == 15) && 5 == a16) && !(a20 == 1)) && a17 == 0) || (((((a21 == 1 && a12 == 8) && a8 == 15) && a16 == 4) && !(a20 == 1)) && a17 == 0)) || (((((a21 == 1 && 14 == a8) && a12 == 8) && a16 == 4) && !(a20 == 1)) && a17 == 0)) || ((((a21 == 1 && 14 == a8) && a12 == 8) && 5 == a16) && a17 == 0)) || !(a7 == 1)) || a8 <= 13 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((a21 == 1 && a12 == 8) && a8 == 15) && 5 == a16) && !(a20 == 1)) && a17 == 0) || (((((a21 == 1 && a12 == 8) && a8 == 15) && a16 == 4) && !(a20 == 1)) && a17 == 0)) || (((((a21 == 1 && 14 == a8) && a12 == 8) && a16 == 4) && !(a20 == 1)) && a17 == 0)) || ((((a21 == 1 && 14 == a8) && a12 == 8) && 5 == a16) && a17 == 0)) || !(a7 == 1)) || a8 <= 13 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 67.1 MB. Free memory was 34.4 MB in the beginning and 34.3 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 843.26 ms. Allocated memory is still 86.0 MB. Free memory was 58.1 MB in the beginning and 59.0 MB in the end (delta: -928.4 kB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.16 ms. Allocated memory is still 86.0 MB. Free memory was 59.0 MB in the beginning and 53.3 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.42 ms. Allocated memory is still 86.0 MB. Free memory was 53.3 MB in the beginning and 48.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2891.00 ms. Allocated memory was 86.0 MB in the beginning and 121.6 MB in the end (delta: 35.7 MB). Free memory was 48.6 MB in the beginning and 56.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 16.1 GB. * CodeCheck took 144444.91 ms. Allocated memory was 121.6 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 55.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. * Witness Printer took 269.66 ms. Allocated memory is still 1.9 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...